Triumph TR6 Specs

The four TR6 series side by side, the injected CP and CR and the carburetted CC and CF, from Triumph's and British Leyland's own brochures and the American importer's published specifications, with the service data that a table of versions cannot hold.

The TR6 from the side: a white car photographed in Germany in April 2020, American by the overrider (bumper guard) on its bumper and the red marker lamp on its rear wing (fender), so of the 1974 model year or later.Corvesprit, CC BY-SA 4.0

No specification read covers every TR6. What survives is a set of documents, each for one series and one market, and the tables on this page are built from them: Triumph's British brochure of December 1970 for the CP, British Leyland's Italian brochure of February 1974 for the CR, and the American importer's specifications of January 1969 and December 1973 for the CC and the CF. Each cell shows one figure, the one the sources best support; a small asterisk means another figure is in print, and opens a note with every reading and its source. The sections below say what each document gives, where they disagree, and what has no row of its own. Each power figure belongs to a rating, not always named, which the engine page explains, and every time and speed comes from a road test or a maker's claim, which the road tests set out.⁠source 1source 2source 3source 4source 5

The CP, from Triumph's brochure of 1970

The British brochure for the TR6 PI is the fullest factory document read. Its specification page gives the body, the engine, the running gear and the capacities, and some details the tables have no row for:

Item	As the brochure prints it
Gear ratios	3.14, 2.01, 1.33 and 1.00 to 1; reverse 3.22
Final drive	3.45 to 1, hypoid, rubber-mounted
Road speed in top	21.21 mph per 1,000 rpm
Track	1,276 mm (4 ft 2¼ in) front, 1,264 mm (4 ft 1¾ in) rear
Turning circle	10.4 m (34 ft)
Steering wheel	381 mm (15 in), three spokes, padded rim
Height	1,170 mm (3 ft 10 in) to the top of the windscreen (windshield); 1,020 mm (3 ft 4 in) with the hood (soft top) folded and the windscreen off
Brake swept area	233 sq in front, 99 sq in rear

Its maker's performance figures stand in the tables with that label; its top speed was given as a range, "depending on specification". It names no basis for its power rating.

The brochure's width is the one every factory document read agrees on, the American importer's and the Italian brochure included, and Aaron Severson writes that the TR6 was no wider than the TR5. The TR Register and Classic & Sports Car give a greater width, without saying how it was measured; the tables show the factory's, with the other in its note. Their length, a little longer than the brochure's, is shown the same way. For torque the brochure gives a lower figure, at a lower engine speed, than the TR Register and Classic & Sports Car do.⁠source 1source 3source 4source 2source 6source 7source 8

A yellow Triumph TR6 with its front-hinged bonnet raised to show the engine, on wire wheels before a stone building. — A CP-series TR6 PI, the car of the 1970 brochure's specification, with its front-hinged bonnet (hood) open, at the East Lancashire Railway in 2014.Thomas's Pics, CC BY 2.0

Contents

The CR, from the Italian brochure of 1974

No British specification of the CR was read. British Leyland's Italian brochure of February 1974 is the nearest, and it has to be read with care: its text gives the de-rated engine's power, but its data table still prints the CP's, in Italian horsepower, and its gear ratios are the set Triumph replaced in 1971. The tables use the text and leave the stale figures to their notes. What the brochure adds is its own measures: a steering wheel of 368 mm, three and a quarter turns of the wheel from lock to lock, 1.27 litres of oil in the rear axle and 6.2 litres of water with the heater.

Its fuel tank is smaller than the first brochure's. Motor Sport noted in December 1974 that Triumph's claim for the tank had since been revised down, and the tables give each figure with its date and source; when the tank shrank, and whether British and American tanks differed, no source read says.⁠source 2source 9source 10

Contents

The CC, from the importer's launch notes of 1969

The American launch notes of January 1969 give the first carburetted car, the US TR6: two Stromberg carburettors with smog controls and a heated inlet manifold, a final drive of 3.70 to 1, or 3.03 overall in top with overdrive, three and a half turns from lock to lock, a turning circle of 10.1 m (33 ft), and a 12-volt electrical system with an alternator and a 57-ampere-hour battery. They give two weights, one with no basis printed and one "with fuel and water", and the tables show each with its scope.

Contents

The CF, from the importer's 1974 model-year specification

The importer's specification for the 1974 model year is the fullest for the carburetted car. Besides what the tables hold, it gives the gearing as overall ratios:

Item	As the importer prints it
Overall ratios	3.70, 5.13, 7.77 and 11.08 to 1; reverse 12.47
With overdrive	2.95 in top and 4.09 in third, J-type
Road speed	20.7 mph per 1,000 rpm in top; 26.1 in overdrive top
Brake servo	2.2 to 1
Brake areas	81.2 sq in of lining, 322.0 sq in swept
Spark plugs	Champion N9Y
Fuel economy	16.4 mpg in the EPA's urban test; 24.0 mpg on the 50,000-mile durability route (US gallons)

Divided by the axle ratio, its overall ratios give the gearbox (transmission) ratios Triumph adopted in the middle of 1971, 2.99, 2.10, 1.39 and 1.00 to 1, which TR-Register Deutschland also prints. The importer's sheet calls the rear dampers telescopic; they were lever-arm dampers, as the TR Register and TR-Register Deutschland describe them, and the tables show lever-arm. It measures the car over the new rubber overriders, so its length is longer than the early cars', and it gives a "basic curb" weight; Severson gives a heavier car for the 1975 and 1976 model years.⁠source 4source 16source 6source 15source 8

A red Triumph TR6 with black rubber bumper guards and a front spoiler, parked below a stone wall beside a white saloon. — A CF-series car from before the 1975 change, close to this specification: rubber overriders on a bumper still at its original height, and the front spoiler of the late cars.Phil Sangwell from United Kingdom, CC BY 2.0

Contents

Settings and capacities

Rimmer's parts catalogue gives the service data for every TR6, which the tables do not hold:⁠source 5

Item	Figure
Firing order	1, 5, 3, 6, 2, 4, with No. 1 at the front
Spark-plug gap	0.64 mm (0.025 in)
Contact-breaker gap	0.36 to 0.41 mm (0.014 to 0.016 in)
Dwell angle	32 to 38°
Static timing	12° before top dead centre
Timing at idle	4° after top dead centre
Idle speed	700 to 850 rpm on PI cars; 800 to 850 rpm on carburetted cars
Fast idle	1,300 to 1,500 rpm on PI cars; 1,100 to 1,300 rpm on carburetted cars
Valve clearance, cold	0.25 mm (0.010 in)
Cooling system, with heater	6.25 litres (11 imperial pints)
Gearbox oil	1.13 litres (2 pints); 2.0 litres (3½ pints) with A-type overdrive; 1.5 litres (2.6 pints) with J-type
Rear axle oil	1.27 litres (2¼ pints)
Tyre pressures, cold	1.5 bar (22 psi) front, 1.8 bar (26 psi) rear, for standard wheels and tyres in normal driving

Contents

Production

Sources for Production, by version

Price new: TR6 PI (CP): Several figures in print.Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; "C.R.", "The Triumph TR7 Drophead" ("Sunshine Seven"), Motor Sport, Apr 1980, p. 35⁠source 17; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): One good source.Hardtop model, February 1973; overdrive £73 and soft top £48 extra. Clive Richardson, "The continuing tale of a TR6", Motor Sport, Dec 1974, p. 53⁠source 10; US TR6 (CC): Several figures in print.Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Jan P. Norbye and Jim Dunne, "The $3,000 Roadsters", Popular Science, vol. 195 no. 2, Aug 1969, pp. 96–101⁠source 18; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): One good source.1973 TR-6 at the ports of entry. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1973, Jan 1973 (vol. 19 no. 1)⁠source 16
Built: TR6 PI (CP): Several figures in print.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; TR6 PI (CR): Several figures in print.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CF): Several figures in print.TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5
Designers: TR6 PI (CP): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; Revington TR, "Technical Specification Change Points" (TR6)⁠source 20; TR6 PI (CR): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; Revington TR, "Technical Specification Change Points" (TR6)⁠source 20; US TR6 (CC): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; Revington TR, "Technical Specification Change Points" (TR6)⁠source 20; US TR6 (CF): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; Revington TR, "Technical Specification Change Points" (TR6)⁠source 20
Built at: TR6 PI (CP): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; TR6 PI (CR): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; Motor Sport, Readers' letters on the TR6 (group), Feb 1970, p. 54; Jun 1973, p. 94; Aug 1973, p. 77; Jan 1974, p. 57⁠source 21; US TR6 (CC): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; British Motor Museum, "Factor us in: Standard Triumph factory at Canley"⁠source 22

Production, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Price new	£1,333 19s 2d Price new, TR6 PI (CP) Several figures in print. £1,333 19s 2dGood sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, TR6 PI at launch, with purchase tax⁠source 8 £1,020One good source: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, TR6 PI at launch, basic (before purchase tax)⁠source 8 £1,334Good sources agree: "C.R.", "The Triumph TR7 Drophead" ("Sunshine Seven"), Motor Sport, Apr 1980, p. 35, January 1969, 'without the optional overdrive'⁠source 17 £1,333 19s 1dNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), labelled 'Basic Price TR6 PI' (the tax-paid price; the penny differs)⁠source 6	£1,387 + 290 purchase tax	$3,275 Price new, US TR6 (CC) Several figures in print. $3,275Good sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, at the port of entry, at launch (1969)⁠source 8; Jan P. Norbye and Jim Dunne, "The $3,000 Roadsters", Popular Science, vol. 195 no. 2, Aug 1969, pp. 96–101, basic, a US TR6 in the August 1969 group test⁠source 18 $3,375Not yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'Basic Price TR6 Carb', undated⁠source 6	$3,980
Built	28 Nov 1968 - 21 Sep 1972 (CP25156 - CP77718) Built, TR6 PI (CP) Several figures in print. 28 Nov 1968 - 21 Sep 1972 (CP25156 - CP77718)One good source: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), first production car CP25156 'built 28th Nov 68'; last CP77718 'built 21st Sept 72'; CKD numbers within the range⁠source 5 Sep 1972 (last CP)Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), '1972 model CP75001 to CP77718 the last car being built in September 1972'⁠source 19	Nov 1972 - 7 Feb 1975 (CR169 - CR6701) Built, TR6 PI (CR) Several figures in print. Nov 1972 - 7 Feb 1975 (CR169 - CR6701)One good source: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), CKD kits CR1-CR168 first; CR169 'First production car (built 15th Nov 72)'; CR6701 'Last production car (built 7th Feb 75)'⁠source 5 late 1972 - Feb 1975Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), 'In late 1972 the revised CR/CF series was introduced'; 'The last PI car was built in February 1975'⁠source 19 7 Feb 1975 (last PI)Good sources agree: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), 'Last P.I. TR6 built on 2/7/75'⁠source 12 1972 (CKD kits CR 1-168)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	1969-1972 model years (CC25001-CC85737) Built, US TR6 (CC) Several figures in print. 1969-1972 model years (CC25001-CC85737)Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), 'Carburettor cars 1969 model CC25001 to CC32143 … 1972 model CC75001 to CC85737'⁠source 19 1969-1972 model years (CC25000-CC85737)Good sources agree: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), US model-year table, 1969 to 1972⁠source 12 19 Sep 1968 - 5 Oct 1972 (CC25003L - CC85737U)One good source: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), build dates: 'CC25003 L First production car (built 19th Sept 68)'; 'CC85737 U Last production car (built 5th Oct 72)'⁠source 5 Aug 1972 (last CC)Not yet confirmed: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), 'the last car being built in August 1972'⁠source 19	1973-1976 model years (CF1-CF58328) Built, US TR6 (CF) Several figures in print. 1973-1976 model years (CF1-CF58328)Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), 'Carburettor cars 1973 model CF1 to CF11577 … 1976 model CF50001 to CF58328. The last car being built in July 1976'⁠source 19 1973-1976 model years (CF1U-CF58328U)Good sources agree: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), US model-year table, 1973 to 1976⁠source 12 11 Sep 1972 - 15 Jul 1976 (CF1U - CF58328U)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), build dates: 'CF1 U First production car (built 11th Sept 72)'; 'CF58328 U Last ever production TR6 (built 15th Jul 76)'⁠source 5
Designers	Karmann (front and rear restyle; press tools) Designers, TR6 PI (CP) Several figures in print. Karmann (front and rear restyle; press tools)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), Karmann's clay model accepted by Standard-Triumph; Karmann also supplied the press tools ('Presswerkzeuge')⁠source 15 Karmann (restyle)Good sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, the TR6's restyle by Karmann; Severson names the stylist as Gerhard Giesecke⁠source 8 Giovanni Michelotti (the TR4 body whose centre section was kept)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), Robson's foreword: 'between them, Michelotti and Karmann had transformed the looks of the classic TR'⁠source 5 Giovanni Michelotti (the retained centre section)Good sources agree: Revington TR, "Technical Specification Change Points" (TR6), Karmann restyled the front and rear, 'Michelotti being busy'; doors, windscreen frame, floor pans, sills and bulkhead kept⁠source 20	Karmann (front and rear restyle; press tools) Designers, TR6 PI (CR) Several figures in print. Karmann (front and rear restyle; press tools)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), Karmann's clay model accepted by Standard-Triumph; Karmann also supplied the press tools ('Presswerkzeuge')⁠source 15 Karmann (restyle)Good sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, the TR6's restyle by Karmann; Severson names the stylist as Gerhard Giesecke⁠source 8 Giovanni Michelotti (the TR4 body whose centre section was kept)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), Robson's foreword: 'between them, Michelotti and Karmann had transformed the looks of the classic TR'⁠source 5 Giovanni Michelotti (the retained centre section)Good sources agree: Revington TR, "Technical Specification Change Points" (TR6), Karmann restyled the front and rear, 'Michelotti being busy'; doors, windscreen frame, floor pans, sills and bulkhead kept⁠source 20	Karmann (front and rear restyle; press tools) Designers, US TR6 (CC) Several figures in print. Karmann (front and rear restyle; press tools)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), Karmann's clay model accepted by Standard-Triumph; Karmann also supplied the press tools ('Presswerkzeuge')⁠source 15 Karmann (restyle)Good sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, the TR6's restyle by Karmann; Severson names the stylist as Gerhard Giesecke⁠source 8 Giovanni Michelotti (the TR4 body whose centre section was kept)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), Robson's foreword: 'between them, Michelotti and Karmann had transformed the looks of the classic TR'⁠source 5 Giovanni Michelotti (the retained centre section)Good sources agree: Revington TR, "Technical Specification Change Points" (TR6), Karmann restyled the front and rear, 'Michelotti being busy'; doors, windscreen frame, floor pans, sills and bulkhead kept⁠source 20	Karmann (front and rear restyle; press tools) Designers, US TR6 (CF) Several figures in print. Karmann (front and rear restyle; press tools)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), Karmann's clay model accepted by Standard-Triumph; Karmann also supplied the press tools ('Presswerkzeuge')⁠source 15 Karmann (restyle)Good sources agree: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, the TR6's restyle by Karmann; Severson names the stylist as Gerhard Giesecke⁠source 8 Giovanni Michelotti (the TR4 body whose centre section was kept)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), Robson's foreword: 'between them, Michelotti and Karmann had transformed the looks of the classic TR'⁠source 5 Giovanni Michelotti (the retained centre section)Good sources agree: Revington TR, "Technical Specification Change Points" (TR6), Karmann restyled the front and rear, 'Michelotti being busy'; doors, windscreen frame, floor pans, sills and bulkhead kept⁠source 20
Built at	Canley, Coventry Built at, TR6 PI (CP) Several figures in print. Canley, CoventryOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), final assembly⁠source 15 Belgium (CKD kits CP 25004-25145, 50002-50436, 54573-54584)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR6 PIs built in Belgium from CKD kits, for customs concessions⁠source 15 Belgium (CKD assembly)Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), 'Cars assembled in Belgium were all petrol injected and LHD'⁠source 19 Malines (Mechelen), BelgiumGood sources agree: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'those sold on the Continent are assembled at the British Leyland plant at Malines, Belgium' (Nov 1973)⁠source 9 Speke, Liverpool (bodies)One good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	Canley, Coventry Built at, TR6 PI (CR) Several figures in print. Canley, CoventryOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), final assembly⁠source 15 Malines (Mechelen), BelgiumGood sources agree: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'those sold on the Continent are assembled at the British Leyland plant at Malines, Belgium'⁠source 9 Mechelen, BelgiumGood sources agree: Motor Sport, Readers' letters on the TR6 (group), Feb 1970, p. 54; Jun 1973, p. 94; Aug 1973, p. 77; Jan 1974, p. 57, an owner, June 1973: 'assembled here in Belgium at Mechelen'⁠source 21 Belgium (CKD kits CR 1-168, 5001-5048)Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), chassis numbers sent to Belgium as CKD kits⁠source 15 Speke, Liverpool (bodies)One good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	Canley, Coventry Built at, US TR6 (CC) Several figures in print. Canley, CoventryOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), final assembly⁠source 15 Speke, Liverpool (bodies)One good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	Canley, Coventry Built at, US TR6 (CF) Several figures in print. Canley, CoventryGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), final assembly⁠source 15 Canley (the last TR6, a CF car, photographed there in 1976)Good sources agree: British Motor Museum, "Factor us in: Standard Triumph factory at Canley", photograph of the last TR6 at Canley⁠source 22 Speke, Liverpool (bodies)One good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15

Contents

Engine

Sources for Engine, by version

Capacity: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Good sources agree.2,498 cc. British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Engine position: TR6 PI (CP): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR6 PI (CR): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CC): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CF): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5
Block: TR6 PI (CP): Good sources agree.'all-iron'. Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): One good source.TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich'). Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Cylinder head: TR6 PI (CP): Good sources agree.'all-iron'. Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Valve gear: TR6 PI (CP): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; TR6 PI (CR): One good source.TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich'). Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Bore × stroke: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Good sources agree.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Compression ratio: TR6 PI (CP): Good sources agree.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): Good sources agree.OCR '95:1'. British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12)⁠source 23; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Fuel system: TR6 PI (CP): Several figures in print.Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Carburettors: US TR6 (CC): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Aspiration: TR6 PI (CP): One good source.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): One good source.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): One good source.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Ignition: TR6 PI (CP): One good source.Settings for every TR6: contact-breaker gap, distributor rotation, dwell, static timing. Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR6 PI (CR): One good source.Settings for every TR6. Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CC): One good source.Settings for every TR6. Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5
Cycle: TR6 PI (CP): One good source.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): One good source.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): One good source.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Lubrication: TR6 PI (CP): One good source.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; US TR6 (CC): One good source.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5

Engine, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Capacity	2,498 cc (152 cu in) Capacity, TR6 PI (CP) Several figures in print. 2,498 cc (152 cu in)Good sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Capacity 2498 c.c. (152 cu.in.)'⁠source 1 2498 ccGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), '6 Cylinder 74.7mm x 95mm 2498cc engine'⁠source 6	2498 cc	152 cu in (2,498 cc) Capacity, US TR6 (CC) Several figures in print. 152 cu in (2,498 cc)Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), '6 cylinder, 152 cu. in. (2498 cc)'⁠source 3 2498 ccGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), '6 Cylinder 74.7mm x 95mm 2498cc engine'⁠source 6	152 cubic ins. (2,498 cc) Capacity, US TR6 (CF) Several figures in print. 152 cubic ins. (2,498 cc)Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification⁠source 4 2498 ccGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), '6 Cylinder 74.7mm x 95mm 2498cc engine'⁠source 6
Engine position	Front	Front	Front	Front
Block	cast iron	cast iron	cast iron	chrome cast iron Block, US TR6 (CF) Several figures in print. chrome cast ironGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 'chrome cast iron block and cylinder head'⁠source 4 cast ironGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Cylinder head	cast iron	cast iron	cast iron	chrome cast iron Cylinder head, US TR6 (CF) Several figures in print. chrome cast ironGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 'chrome cast iron block and cylinder head'⁠source 4 cast ironGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Valve gear	OHV, two valves per cylinder Valve gear, TR6 PI (CP) Several figures in print. OHV, two valves per cylinderGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 ohvGood sources agree: Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, 'all-iron, ohv 2498cc straight-six'⁠source 7	OHV, two valves per cylinder	in line, overhead valve Valve gear, US TR6 (CC) Several figures in print. in line, overhead valveGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'In line, overhead valve'⁠source 3 OHV, two valves per cylinderGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	pushrod operated overhead valves Valve gear, US TR6 (CF) Several figures in print. pushrod operated overhead valvesGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 'pushrod operated overhead valves; chain-driven camshaft'⁠source 4 OHV, two valves per cylinderGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Bore × stroke	74.7 x 95 mm (2.94 x 3.74 in) Bore × stroke, TR6 PI (CP) Several figures in print. 74.7 x 95 mm (2.94 x 3.74 in)Good sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, bore 74.7 mm (2.94 in), stroke 95 mm (3.74 in)⁠source 1 74.7 x 95 mmGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6	74.7 x 95 mm	2.94 x 3.74 in (74.7 x 95 mm) Bore × stroke, US TR6 (CC) Several figures in print. 2.94 x 3.74 in (74.7 x 95 mm)Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Bore 2.94 in. (74.7 mm). Stroke 3.74 in. (95 mm)'⁠source 3 74.7 x 95 mmGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6	2.94 x 3.74 in Bore × stroke, US TR6 (CF) Several figures in print. 2.94 x 3.74 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, '2.94 by 3.74 ins.'⁠source 4 74.7 x 95 mmGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Compression ratio	9.5:1	9.5:1	8.5:1 Compression ratio, US TR6 (CC) Several figures in print. 8.5:1Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 1969 specification ('Compression ratio 8.5:1'); to the 1971 model year⁠source 3 8.5:1 to 7.75:1Good sources agree: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), '72: 'Compression dropped from 8.5:1 to 7.75:1'⁠source 12 7.75:1Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12), 1972 model year: 'Compression is down to 7.75 to 1 with no loss in brake horsepower'⁠source 23; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), 1972 and 1973 model years⁠source 15	7.75:1 Compression ratio, US TR6 (CF) Several figures in print. 7.75:1One good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), the 1973 model year⁠source 15 7.5:1Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification: '7.5 to 1'⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US, after 1973⁠source 15
Fuel system	Lucas mechanical fuel injection Fuel system, TR6 PI (CP) Several figures in print. Lucas mechanical fuel injectionGood sources agree: Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7 Lucas petrol injectionGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Petrol injection is a product of international motor racing. It was developed (by Lucas, in this country)'⁠source 1	Lucas mechanical fuel injection Fuel system, TR6 PI (CR) Several figures in print. Lucas mechanical fuel injectionGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15 Lucas indirect fuel injectionGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'TR6 Petrol Injection (Lucas Indirect Fuel Injection) for UK markets'⁠source 6	twin Stromberg 175CD carburettors Fuel system, US TR6 (CC) Several figures in print. twin Stromberg 175CD carburettorsGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'Twin Stromberg 175CD Carburettors for US and other export markets'⁠source 6 two Zenith-Stromberg 175 CD2 carburettorsGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	two Stromberg 175 CDSEV carburettors Fuel system, US TR6 (CF) Several figures in print. two Stromberg 175 CDSEV carburettorsGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification⁠source 4 twin Stromberg 175CD carburettorsGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'Twin Stromberg 175CD Carburettors for US and other export markets'⁠source 6
Carburettors	Not in the sources read	Not in the sources read	Zenith-Stromberg Carburettors, US TR6 (CC) Several figures in print. Zenith-StrombergGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), two 175 CD2⁠source 15 StrombergGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'Twin Stromberg 175CD'⁠source 6	Stromberg (two 175 CDSEV) Carburettors, US TR6 (CF) Several figures in print. Stromberg (two 175 CDSEV)Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification⁠source 4 Zenith-StrombergGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), two 175 CD2⁠source 15
Aspiration	Naturally Aspirated	Naturally Aspirated	Naturally Aspirated	Naturally Aspirated
Ignition	coil and distributor (contact breaker)	coil and distributor (contact breaker)	coil and distributor (contact breaker)	Lucas 15C6 6-volt coil, Lucas distributor Ignition, US TR6 (CF) Several figures in print. Lucas 15C6 6-volt coil, Lucas distributorGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification⁠source 4 coil and distributor (contact breaker)Good sources agree: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), settings for every TR6⁠source 5
Cycle	Four-stroke	Four-stroke	Four-stroke	Four-stroke
Lubrication	Wet Sump	Wet Sump	Wet Sump	Wet Sump

Contents

Performance

Sources for Performance, by version

Power: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34⁠source 24; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Revington TR, "Technical Specification Change Points" (TR6)⁠source 20; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12)⁠source 23; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Good sources agree.'106 SAE net' (the 1973 announcement). Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1973, Jan 1973 (vol. 19 no. 1)⁠source 16; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Torque: TR6 PI (CP): Good sources disagree.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): One good source.DIN ('143 lb-ft (194 N-m) DIN'). Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; Wikipedia (EN), "Triumph TR6", 2026⁠source 13; US TR6 (CF): Good sources agree.SAE net at 3,000 rpm ('133 lb.-ft. of torque (SAE net) at 3,000 rpm'). Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1973, Jan 1973 (vol. 19 no. 1)⁠source 16; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8
Top speed: TR6 PI (CP): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; US TR6 (CC): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; US TR6 (CF): One good source.Triumph's claim (the TR Register's table, column 'TR6 CARB (CF) (TRIUMPH)'). TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
0–60 mph: TR6 PI (CP): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34⁠source 24; TR6 PI (CR): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; US TR6 (CC): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Jan P. Norbye and Jim Dunne, "The $3,000 Roadsters", Popular Science, vol. 195 no. 2, Aug 1969, pp. 96–101⁠source 18; US TR6 (CF): One good source.Triumph's claim (the TR Register's table, CF column). TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Standing start: TR6 PI (CP): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.Standing quarter mile, Triumph's claim (the TR Register's table, CR column). TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): One good source.Standing quarter mile; the TR Register's table, CC column ('ROAD'). TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): One good source.Standing quarter mile, Triumph's claim (the TR Register's table, CF column). TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6

Performance, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Power	150 bhp Power, TR6 PI (CP) Several figures in print. 150 bhpGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, at 5,500 rpm; Triumph's figure, basis not stated⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'CP Series 150 bhp @ 5500rpm'; basis not stated⁠source 6; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34, 'a 150 b.h.p. two-seater'⁠source 24; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, 'Max power 150bhp @ 5500rpm'⁠source 7 142 bhpOne good source: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'later' brochures ('Original brochures claimed 150 b.h.p., later ones 142'); basis not stated⁠source 9 143 PSOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), DIN, German figure: '150 BPS (Brakehorsepower=143 DIN-PS)'⁠source 15	125 bhp Power, TR6 PI (CR) Several figures in print. 125 bhpGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974, at 5,000 rpm; basis not stated⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'CR Series 125bhp @ 5000rpm'⁠source 6; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'de-rated to 125 b.h.p. for 1973'⁠source 9 124 hpOne good source: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, 'Net output fell to 124 hp (93 kW) and 143 lb-ft (194 N-m) DIN'⁠source 8; Revington TR, "Technical Specification Change Points" (TR6), '124bhp measured to different standards'⁠source 20 123 PSOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), DIN, at 5,100 rpm⁠source 15	104 bhp Power, US TR6 (CC) Several figures in print. 104 bhpGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), at 4,500 rpm, 1969 specification; basis not printed⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'CC Series 104bhp @ 4500rpm'⁠source 6; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, net: 'an unchanged net output of 104 hp (78 kW)'⁠source 8 106 bhpGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12), SAE at 4,900 rpm, 1972 model year from CC75001 ('SAE 106@ 4900RPM')⁠source 23; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, net: 'Net power rose from 104 to to 106 hp (78 to 79 kW) in 1972'⁠source 8 106 PSGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), SAE PS, at 4,900 rpm, 1968 to 1971⁠source 15 112 bhpOne good source: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12), at 5,000 rpm; the 1972 table's 'BHP' row, basis not stated⁠source 23	106 bhp
Torque	1900 lb in Torque, TR6 PI (CP) Good sources disagree. 1900 lb inDisputed: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, at 3,000 rpm (158 lb ft); factory brochure, Dec 1970⁠source 1 164 lb ftDisputed: Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, 'Max torque 164lb ft @ 3500rpm'⁠source 7; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), printed '164 Nm bei 3500 U/min' (a unit error: lb ft meant)⁠source 15	143 lb ft	1710 lb in Torque, US TR6 (CC) Several figures in print. 1710 lb inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), at 3,000 rpm (143 lb ft), 1969 specification⁠source 3; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, net: '143 lb-ft (194 N-m)'⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), at 3,000 rpm; printed '143 Nm bei 3.000 U/min' (a unit error: lb ft meant)⁠source 15; Wikipedia (EN), "Triumph TR6", 2026, at 3,500 rpm, citing Piggott (1991) p. 64⁠source 13 133 lb ftOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), 1972-76; printed '133 Nm bei 3.000 U/min' (a unit error)⁠source 15	133 lb ft
Top speed	119 mph Top speed, TR6 PI (CP) Several figures in print. 119 mphOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), Autocar mean maximum (the TR Register's table, column 'TR6 PI (CP) (AUTOCAR)')⁠source 6; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, 'Top speed 119mph'; source of the figure not named⁠source 7 115-125 mphOne good source: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, maker's claim, 'depending on specification'⁠source 1	116 mph Top speed, TR6 PI (CR) Several figures in print. 116 mphGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), Triumph's claim (the TR Register's table, column 'TR6 PI (CR) (TRIUMPH)')⁠source 6; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'Triumph claim 116 m.p.h. maximum for the latest model'⁠source 9 110 mphOne good source: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, a true level maximum, Motor Sport's staff car (from 107 when new)⁠source 9	111 mph Top speed, US TR6 (CC) Several figures in print. 111 mphOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), mean maximum; the TR Register's table, column 'TR6 CARB (CC) (ROAD)' (the test is not named further)⁠source 6 107-110 mphNot yet confirmed: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, 'top speed for carbureted cars was again in the 107-110 mph range'⁠source 8	111 mph
0–60 mph	8.2 s 0–60 mph, TR6 PI (CP) Several figures in print. 8.2 sOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), Autocar (the TR Register's table, column 'TR6 PI (CP) (AUTOCAR)')⁠source 6; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, '0-60mph 8.2 secs'; source not named⁠source 7 9.0 sOne good source: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, maker, through the gears⁠source 1 under nine (s)One good source: Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34, 'in the 0 to 60 m.p.h. in under nine seconds category'⁠source 24	9.5 s 0–60 mph, TR6 PI (CR) Several figures in print. 9.5 sOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), Triumph's claim (the TR Register's table, CR column)⁠source 6 9.1 sOne good source: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, Motor Sport's staff car ('Sixty miles per hour comes up in 9.1 sec.')⁠source 9	10.7 s 0–60 mph, US TR6 (CC) Several figures in print. 10.7 sOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), the TR Register's table, column 'TR6 CARB (CC) (ROAD)'⁠source 6 just under 11 sOne good source: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, 'Road & Track's 1969 TR6 test car … reaching 60 mph (97 km/h) in just under 11 seconds'⁠source 8 13.4 sOne good source: Jan P. Norbye and Jim Dunne, "The $3,000 Roadsters", Popular Science, vol. 195 no. 2, Aug 1969, pp. 96–101, a US TR6, August 1969 group test⁠source 18	11.5 s
Standing start	16.3 s Standing start, TR6 PI (CP) Several figures in print. 16.3 sOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), standing quarter mile, Autocar (the TR Register's table, CP column)⁠source 6 16½ sOne good source: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, standing quarter mile, maker's figure⁠source 1	17.0 s	18.5 s	18.1 s

Contents

Running gear

Sources for Running gear, by version

Steering: TR6 PI (CP): Good sources agree.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Good sources agree.Three-spoke 368 mm wheel, 3¼ turns lock to lock. British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Good sources agree.'Triumph rack and pinion'; 3½ turns lock to lock. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Good sources agree.'rack and pinion, 3½ turns lock-to-lock, 34-ft. turning circle'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Gears: TR6 PI (CP): Good sources agree.'four forward ratios … syncromesh on all forward ratios'. Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; TR6 PI (CR): Good sources agree.Four forward ratios in the gearbox table (the pre-1971 ratios, a stale table). British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Good sources agree.'4 forward speed all synchromesh gear box'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Good sources agree.'full-synchromesh, 4-speed'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Overdrive: TR6 PI (CP): Several figures in print.TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34⁠source 24; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): Several figures in print.TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; US TR6 (CC): Good sources agree.Optional: 'Laycock de Normanville overdrive. Operated on 2nd, 3rd, and top gears'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19; US TR6 (CF): Good sources agree.'Laycock J type operating on 4th and 3rd'; optional, $197 in 1974. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet)⁠source 19
Front brakes: TR6 PI (CP): One good source.'Caliper disc brakes on front wheels … 10⅞ in dia.'; 'direct acting servo'. Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.Front discs, 276 mm, servo. British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; US TR6 (CC): One good source.'10⅞ in caliper operated discs - front'; 'Vacuum power independent system'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): One good source.'power assisted with boost ratio of 2.2:1, 10.87-ins. discs on front'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Rear brakes: TR6 PI (CP): One good source.'Drum brakes, 9 x 1¾ in of leading and trailing shoe type'. Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; US TR6 (CC): One good source.'9 in drums - rear'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): One good source.'9x1.75 ins. drums on rear'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Front suspension: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Rear suspension: TR6 PI (CP): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; US TR6 (CC): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): Good sources agree.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Tyres: TR6 PI (CP): Good sources agree.'Tyre size 165 x 15' (UK market). Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34⁠source 24; TR6 PI (CR): Several figures in print.Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Wheels: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Final drive: TR6 PI (CP): One good source.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; TR6 PI (CR): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CC): One good source.Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; US TR6 (CF): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5
Clutch: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Starter: TR6 PI (CP): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR6 PI (CR): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CC): One good source.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; US TR6 (CF): One good source.Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5

Running gear, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Steering	rack and pinion	rack and pinion	rack and pinion	rack and pinion
Gears	4	4	4	4
Overdrive	3 Overdrive, TR6 PI (CP) Several figures in print. 3Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), optional ('O' suffix); 'Overdrive operates on 2nd, 3rd and 4th on CP and CC cars'⁠source 19; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34, test car: 'o/d functions on the three upper ratios'⁠source 24 optional extraGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Optional Extras … Overdrive'⁠source 1	2 Overdrive, TR6 PI (CR) Several figures in print. 2Good sources agree: TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), J-type on 3rd and 4th ('on 3rd and 4th on CR and CF cars'); optional, 'All UK market cars from CR5000 onwards had overdrive fitted as standard'⁠source 19; Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'the Laycock J-type overdrive unit as an optional extra'; 'overdrive only on 3rd and top'⁠source 9 optional extra (Laycock J-type)Good sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2	3	2
Front brakes	Disc, 10⅞ in	Disc, 276 mm	Disc, 10⅞ in	Disc, 10.87 in
Rear brakes	Drum, 9 x 1¾ in	Drum, 228 x 45 mm	Drum, 9 in	Drum, 9 x 1.75 in
Front suspension	independent, coil springs, telescopic dampers, anti-roll bar Front suspension, TR6 PI (CP) Several figures in print. independent, coil springs, telescopic dampers, anti-roll barGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Low periodicity independent system, incorporating anti-roll bar … coil springs controlled by telescopic dampers'⁠source 1 unequal-length double wishbones, coil springs, telescopic dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6	independent with anti-roll bar Front suspension, TR6 PI (CR) Several figures in print. independent with anti-roll barGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2 unequal-length double wishbones, coil springs, telescopic dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6	independent, coil springs, telescopic dampers, anti-roll bar Front suspension, US TR6 (CC) Several figures in print. independent, coil springs, telescopic dampers, anti-roll barGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Low periodicity independent system incorporating anti-roll bar. Coil springs and telescopic dampers'⁠source 3 unequal-length double wishbones, coil springs, telescopic dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6	independent with upper and lower wishbones, coil springs, telescopic shocks, anti-sway bar Front suspension, US TR6 (CF) Several figures in print. independent with upper and lower wishbones, coil springs, telescopic shocks, anti-sway barGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4 unequal-length double wishbones, coil springs, telescopic dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Rear suspension	semi-trailing arms, coil springs, lever arm dampers Rear suspension, TR6 PI (CP) Several figures in print. semi-trailing arms, coil springs, lever arm dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 'Independent rear suspension (IRS) by semi trailing arm, coil springs and lever arm dampers'⁠source 6 semi-trailing arms, coil springs, piston dampersGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Semi-trailing arm independent suspension with coil springs controlled by piston dampers'⁠source 1	semi-trailing arms, coil springs, lever arm dampers Rear suspension, TR6 PI (CR) Several figures in print. semi-trailing arms, coil springs, lever arm dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6 semi-trailing arms, coil springs, piston dampersGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2	semi-trailing arms, coil springs, lever arm dampers Rear suspension, US TR6 (CC) Several figures in print. semi-trailing arms, coil springs, lever arm dampersGood sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6 semi-trailing arms, coil springs, piston type dampersGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Semi trailing arm independent with coil springs and piston type dampers'⁠source 3	semi-trailing arms, coil springs, lever arm dampers
Tyres	165 x 15	165 HR 15 Tyres, TR6 PI (CR) Several figures in print. 165 HR 15Good sources agree: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, '165 HR-15 Dunlop SP Sport' (British-built cars; Michelin XAS fitted from 1973)⁠source 9 165 - 15Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR6 PI, on 5.5 x 15 in rims⁠source 15	185 SR 15 Tyres, US TR6 (CC) Several figures in print. 185 SR 15Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Radial ply red band tires - Goodyear 185 SR 15'⁠source 3 185 - 15Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US market⁠source 15	185 SR 15 Tyres, US TR6 (CF) Several figures in print. 185 SR 15Good sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, '185 SR 15 tubeless radialplys'⁠source 4 185 - 15Good sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US market⁠source 15
Wheels	5½J steel disc Wheels, TR6 PI (CP) Several figures in print. 5½J steel discGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Steel disc type - 5½ in J rim'⁠source 1 pressed steel disc, 5.5 x 15Good sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), printed 'Pressed steel disc with 5.5 x 15 tyres'⁠source 6	5½J steel disc Wheels, TR6 PI (CR) Several figures in print. 5½J steel discGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2 pressed steel disc, 5.5 x 15Good sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), printed 'Pressed steel disc with 5.5 x 15 tyres'⁠source 6	15 x 5½ steel disc Wheels, US TR6 (CC) Several figures in print. 15 x 5½ steel discGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Steel disc type 15 in x 5½ in wheels'⁠source 3 5½ inGood sources agree: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), '5 1/2 in wheels replace the 5 in version of TR4a'⁠source 12	15 x 5½J steel disc Wheels, US TR6 (CF) Several figures in print. 15 x 5½J steel discGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, '15-ins., 5½ J steel discs'⁠source 4 pressed steel disc, 5.5 x 15Good sources agree: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), printed 'Pressed steel disc with 5.5 x 15 tyres'⁠source 6
Final drive	Shaft	Shaft	Shaft	Shaft
Clutch	diaphragm, 8½ in, hydraulic Clutch, TR6 PI (CP) Several figures in print. diaphragm, 8½ in, hydraulicGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Clutch, diaphragm type 8½ in dia., hydraulically operated'⁠source 1 single dry plate, hydraulicGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15	diaphragm, 216 mm Clutch, TR6 PI (CR) Several figures in print. diaphragm, 216 mmGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2 single dry plate, hydraulicGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15	diaphragm, 8½ in, hydraulic Clutch, US TR6 (CC) Several figures in print. diaphragm, 8½ in, hydraulicGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'Diaphragm type 8½ in hydraulically operated clutch'⁠source 3 single dry plate, hydraulicGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	8.5 in single dry plate Clutch, US TR6 (CF) Several figures in print. 8.5 in single dry plateGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, '8.5-ins. single dry plate'⁠source 4 single dry plate, hydraulicGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Starter	Electric	Electric	Electric	Electric

Contents

Body and chassis

Sources for Body and chassis, by version

Chassis: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): One good source.TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich'). Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): One good source.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15

Body and chassis, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Chassis	box-section side members braced by a cruciform Chassis, TR6 PI (CP) Several figures in print. box-section side members braced by a cruciformGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Channel steel pressings form box section side members braced by a cruciform member'⁠source 1 box frame of channel sections with an X braceGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	box frame of channel sections with an X brace	channel steel with cruciform bracing Chassis, US TR6 (CC) Several figures in print. channel steel with cruciform bracingGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'CHASSIS Channel steel with cruciform bracing'⁠source 3 box frame of channel sections with an X braceGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15	box frame of channel sections with an X brace

Contents

Dimensions and weight

Sources for Dimensions and weight, by version

Length: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Width: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Height: TR6 PI (CP): Good sources agree.Unladen, hood erect, 4 ft 2 in. Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Good sources agree.Hood up. British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Good sources agree.'50 in' top up (46 in top down). Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4
Kerb weight: TR6 PI (CP): Several figures in print.TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023⁠source 7; TR6 PI (CR): One good source.2,491 lb; scope not stated. TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Wheelbase: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; TR6 PI (CR): Several figures in print.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CC): Good sources agree.'88 in' (2.24 m). Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6; US TR6 (CF): Several figures in print.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet)⁠source 6
Ground clearance: TR6 PI (CP): Good sources agree.6 in. Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; TR6 PI (CR): Good sources agree.British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CC): Good sources agree.'6 in'. Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15; US TR6 (CF): One good source.Carburetted car. Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF)⁠source 15
Fuel tank: TR6 PI (CP): Several figures in print.Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG⁠source 1; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34⁠source 24; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; TR6 PI (CR): Good sources disagree.Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54⁠source 9; British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Clive Richardson, "The continuing tale of a TR6", Motor Sport, Dec 1974, p. 53⁠source 10; US TR6 (CC): Good sources disagree.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1)⁠source 3; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12; Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313)⁠source 5; US TR6 (CF): Good sources disagree.Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973⁠source 4; Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide)⁠source 12

Dimensions and weight, by version
Item	TR6 PI (CP)	TR6 PI (CR)	US TR6 (CC)	US TR6 (CF)
Length	3937 mm Length, TR6 PI (CP) Several figures in print. 3937 mmGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 12 ft 11 in⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 3950 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 155.5 in; basis not stated⁠source 6	3937 mm Length, TR6 PI (CR) Several figures in print. 3937 mmGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974, the OCR drops the first digit⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 3950 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 155.5 in; basis not stated⁠source 6	155 in Length, US TR6 (CC) Several figures in print. 155 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), '155 in' (3.94 m), 1969⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), carburetted car⁠source 15 3950 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 155.5 in; basis not stated⁠source 6	162.1 in Length, US TR6 (CF) Several figures in print. 162.1 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification, with the bumper guards ('overall length, 162.1-ins.')⁠source 4; Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, 'the bulbous overriders … increasing overall length to 162.1 inches (4,117 mm)', a 1975 or 1976 car⁠source 8; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US cars, 1973 and 1974 model years⁠source 15 415.5 cmOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US cars, 1975 and 1976 model years⁠source 15
Width	1470 mm Width, TR6 PI (CP) Several figures in print. 1470 mmGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 4 ft 10 in⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 1550 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 61.0 in; basis not stated⁠source 6	1470 mm Width, TR6 PI (CR) Several figures in print. 1470 mmGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 1550 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 61.0 in; basis not stated⁠source 6	58 in Width, US TR6 (CC) Several figures in print. 58 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), '58 in' (1.47 m)⁠source 3; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), carburetted car⁠source 15 1550 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 61.0 in; basis not stated⁠source 6	58 in Width, US TR6 (CF) Several figures in print. 58 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification ('width, 58-ins.')⁠source 4; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), carburetted car⁠source 15 1550 mmNot yet confirmed: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 61.0 in; basis not stated⁠source 6
Height	1270 mm	1270 mm	50 in	127 cm Height, US TR6 (CF) Several figures in print. 127 cmGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), hood up (117 cm hood down)⁠source 15; TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 50.0 in⁠source 6 46 inNot yet confirmed: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification ('height, 46-ins.'); basis not stated (the 1969 specification gave 46 in top down)⁠source 4
Kerb weight	1130 kg Kerb weight, TR6 PI (CP) Several figures in print. 1130 kgOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 2,491 lb; scope not stated⁠source 6 1122 kgOne good source: Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, 2,473 lb; 'Weight', TR6 PI factfile⁠source 7	1130 kg	2268 lb Kerb weight, US TR6 (CC) Several figures in print. 2268 lbOne good source: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 'with fuel and water etc.' (1,034 kg), 1969⁠source 3 2156 lbOne good source: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), 983 kg, 1969; basis not stated⁠source 3 1090 kgOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), unladen; carburetted car, to the 1974 model year⁠source 15 1130 kgOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 2,491 lb; scope not stated⁠source 6	2390 lb Kerb weight, US TR6 (CF) Several figures in print. 2390 lbOne good source: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 'basic curb: 2,390 lbs.', 1974 specification⁠source 4 ~2,450 lbOne good source: Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, 'curb weight to around 2,450 lb (1,111 kg)', a 1975 or 1976 car with overriders⁠source 8 1106 kgOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), 1975–76 model years⁠source 15 1118 kgOne good source: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), US cars, up to 1,118 kg⁠source 15 1130 kgOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 2,491 lb; scope not stated⁠source 6
Wheelbase	2240 mm Wheelbase, TR6 PI (CP) Several figures in print. 2240 mmGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 7 ft 4 in⁠source 1; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 2235 mmOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 88.0 in⁠source 6	2240 mm Wheelbase, TR6 PI (CR) Several figures in print. 2240 mmGood sources agree: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974⁠source 2; Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), TR-Register DE's data for the carburetted car, which it says applies to every TR6 ('grundsätzlich technisch baugleich')⁠source 15 2235 mmOne good source: TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 88.0 in⁠source 6	88 in	88.0 in Wheelbase, US TR6 (CF) Several figures in print. 88.0 inGood sources agree: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification ('wheelbase, 88.0-ins.')⁠source 4; TR Register, "Triumph TR6 Buyers Guide" (facts sheet), 88.0 in⁠source 6 224.0 cmGood sources agree: Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), carburetted car⁠source 15
Ground clearance	152 mm	152 mm	6 in	15.2 cm
Fuel tank	51 L Fuel tank, TR6 PI (CP) Several figures in print. 51 LGood sources agree: Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, 'Fuel tank 11¼ galls., 51 litres, 13.5 U.S.A. galls.'⁠source 1; Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34, 'the tank capacity is quoted as 11 1/4 gallons, but it wouldn't take much over ten'⁠source 24 50 LNot yet confirmed: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), '11 gal (50 L)', approximate, every TR6⁠source 5	11¼ gal Fuel tank, TR6 PI (CR) Good sources disagree. 11¼ galDisputed: Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, 'this TR6's claimed 11 1/4 gallons fuel tank exhausted itself at nine gallons' (a 1973 CR)⁠source 9 48.6 LDisputed: British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974, Italy, February 1974⁠source 2 10¾ galDisputed: Clive Richardson, "The continuing tale of a TR6", Motor Sport, Dec 1974, p. 53, Triumph's claim, 'modified' from 11¼ to 10¾ gallons by December 1974 ('the claimed 11-1/4 (a claim since modified to 10-3/4) gallon tank')⁠source 10	51 L Fuel tank, US TR6 (CC) Good sources disagree. 51 LOne good source: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), '11¼ imp. gals., 13½ gals.', 51 litres, 1969⁠source 3 10.25 galDisputed: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), '72: 'Gas tank capacity reduced to 10.25 gallons' (unit not stated)⁠source 12 50 LDisputed: Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), '11 gal (50 L)', approximate, every TR6⁠source 5	11.4 US gal Fuel tank, US TR6 (CF) Good sources disagree. 11.4 US galDisputed: Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, 1974 specification⁠source 4 10.25 galDisputed: Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), '72: 'Gas tank capacity reduced to 10.25 gallons' (unit not stated)⁠source 12

Contents

Sources

Sources are given as plain text; their addresses are on the sources page.

Primarymade at the time, by the maker or by people who were there
Referenceserious later work: clubs, specialists, magazines, books
Uncheckedencyclopaedias and enthusiast sites: cited beside a good source, named in the sentence, or marked Unchecked

Standard-Triumph, Triumph TR6 P.I. (sales brochure), UK, Dec 1970, publication 426/1270/ENG, p. 11, the specification page; p. 11, specification: body, engine, gearbox and axle ratios, tracks, turning circle, heights, capacities; the top-speed range; p. 11, Specification, Engine; 'Petrol injection and the Triumph TR6 P.I.' (heading p. 9, text p. 10); p. 11, Specification, Performance; p. 11, Specification, Capacities; p. 11, Specification, Maximum speed; p. 11, Specification, Acceleration; p. 11, Specification, Steering; p. 11, Specification, Transmission; p. 11, Specification, Optional Extras; p. 11, Specification, Brakes; p. 11, Specification, Suspension; p. 11, Specification, Wheels; p. 11, Specification, Frame; p. 11, Specification, Dimensions. Primary
British Leyland, Triumph TR6 PI (sales brochure), Italy, 2/1974, the text and the data table; "Dimensioni": the width; "Un 'trionfo'", the text's rating; "Prestazioni del motore", the table; gearbox; steering wheel; capacities; specification pages, Motore; specification pages, Capacità; specification pages, text ('Un trionfo'); specification pages, Sterzo; specification pages, Cambio; specification pages, Accessori extra; specification pages, Freni; specification pages, Sospensioni; specification pages, Ruote; specification pages, Frizione; specification pages, Dimensioni esterne. Primary
Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1969, Jan 1969 (vol. 15 no. 1), pp. 2–3, the US specification; p. 3, the width; pp. 1–3: the tyres on the wider rims; the specification block; Jan 1969, pp. 2-3, technical specification; Jan 1969, pp. 2-3, technical specification, capacities and general dimensions; Jan 1969, pp. 2-3, technical specification (Performance); Jan 1969, pp. 2-3, technical specification (Optional equipment). Primary
Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, December 1973, Dec 1973, p. 3, the 1974 specification; p. 3, the width; p. 3, the 1974 specification: ratios, overdrive, brakes, length, weight, tank, EPA figures, "telescopic shocks"; Dec 1973, p. 3, 1974 TR-6 specification. Primary
Graham Robson (foreword), Triumph TR6 1969–1976 Parts & Accessories Catalogue, Rimmer Bros, edn 2.2 (source code TR600313), p. 5, service data; p. 5, engine settings, capacities, tyre pressures; p. 5 (PDF p. 6), Vehicle identification; p. 1 (PDF p. 2), foreword; p. 209 (PDF p. 210), index; p. 5 (PDF p. 6), Original settings and standard capacities; p. 4 (PDF p. 5), contents. Reference
TR Register, "Triumph TR6 Buyers Guide" (facts sheet), Facts & figures: dimensions, torque; rear dampers, lever arm; Facts & Figures; Engine Details; Performance Data table; Suspension Details; 'Will it fit in the garage?' table. Reference
Charlie Calderwood, "Datsun 240Z vs Triumph TR6: the battle for America", Classic & Sports Car, 1 Feb 2023, factfile: width, weight, torque; factfile, 'Triumph TR6'. Reference
Aaron Severson, "Grandfather's Ax: The Many Evolutions of the Triumph TR4, Part 2: TR5, TR250, and TR6", Ate Up With Motor, 7 Nov 2012, A new bottle: overall width unchanged from the TR5; TR in twilight: the 1975–76 length and weight; 'A New Bottle'; 'The BMC-Leyland Merger'; 'A New Bottle' (caption); 'The BMC-Leyland Merger' (caption). Reference
Clive Richardson, "The Tale of a TR6", Motor Sport, Nov 1973, p. 54, p. 54, the de-rating; p. 54. Primary
Clive Richardson, "The continuing tale of a TR6", Motor Sport, Dec 1974, p. 53, p. 53, the tank "claim since modified"; p. 53, final paragraph; p. 53, para. 3. Primary
Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, February 1969, Feb 1969, the engine-bay caption: smog control, heated manifold, PCV valve. Primary
Vintage Triumph Register, "TR6" (history, year-by-year changes, US production table, buyer's guide), history: the wider rims replaced the TR4A's; TR6 page, change list '76; TR6 page, 'Production Dates and Numbers'; TR6 page, change list '72; TR6 page, change list '68. Reference
Wikipedia (EN), "Triumph TR6", 2026, a narrower rim for 1969; specifications section. Unchecked
Moss Motoring, "Twenty-Five years of the TR6: A Nostalgic Profile", Oct 1994, the rims. Reference
Bruno Dwinger, "Geschichte, Typenkunde und Kaufberatung: British Leyland Triumph TR 6PI und TR 6 (Vergaser) – Die Karmann Autos", TR-Register Deutschland, c. 2010, 13 pp. (PDF), the rims "mit dem Modelljahr 1970"; pp. 3–4, the gear ratios from mid-1971; weights; p. 3, CKD list; p. 1; p. 3, technical data (carburetted); p. 5, technical data TR6PI; p. 2; p. 4, Getriebeübersetzungen; p. 4, Maße und Gewichte. Reference
Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, January 1973, Jan 1973 (vol. 19 no. 1), p. 2, the 1973 ratings; Jan 1973, p. 2. Primary
"C.R.", "The Triumph TR7 Drophead" ("Sunshine Seven"), Motor Sport, Apr 1980, p. 35, p. 35 (read by the TR7 agent, notes-tr7.md). Primary
Jan P. Norbye and Jim Dunne, "The $3,000 Roadsters", Popular Science, vol. 195 no. 2, Aug 1969, pp. 96–101, pp. 96-101 (read by the TR5 agent). Primary
TR Register, "Buyer Beware: TR6" (2 pp. PDF leaflet), p. 1; p. 1, CC ranges. Reference
Revington TR, "Technical Specification Change Points" (TR6), change points page. Reference
Motor Sport, Readers' letters on the TR6 (group), Feb 1970, p. 54; Jun 1973, p. 94; Aug 1973, p. 77; Jan 1974, p. 57, Jun 1973, p. 94. Primary
British Motor Museum, "Factor us in: Standard Triumph factory at Canley", photograph. Reference
Triumph Sports Owners Association, Triumph Sports Owners Association Newsletter, November–December 1971, Nov–Dec 1971 (vol. 17 nos. 11–12), Nov-Dec 1971, p. 1; Nov-Dec 1971, p. 2, 1972 specification table; Nov-Dec 1971, p. 2, 1972 specification table, BHP row. Primary
Bill Boddy, "Rumblings" (TR6 PI and 2.5 PI Mk II), Motor Sport, Mar 1971, p. 34, p. 34. Primary

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