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For the Triumph 2000 Roadster of 1948-49, see Triumph Roadster. For the Triumph 2000 Saloon of 1949, see Triumph Renown.
Triumph 2000, 2.5PI & 2500
[[File:Triumph 2500|frameless|upright=1.25|alt=]]
Manufacturer Triumph Motor Company
Production 1963–1977
324,652 made
Predecessor Standard Vanguard
Successor Rover SD1
Body style(s) 4-door saloon
5-door estate
Engine(s) 1998 cc Straight-6
Transmission(s) manual, manual with overdrive, automatic
Wheelbase 106 in (2,700 mm)
Length 174 in (4420 mm) Mark I
183 in (4648 mm) Mark II
Width 67 inches (1714 mm)
Height 56 inches (1435 mm)
Fuel capacity 62.5 L (16.5 US gal/13.7 imp gal)[1]
Designer Michelotti
Triumph 2000 Mark 1
[[File:Triumph2000 Mikejapp|frameless|upright=1.25|alt=]]
Production 1963–1969
120,645 made
Engine(s) 1998 cc Straight-6
Transmission(s) manual 4-speed gearbox (overdrive optional)[2] or
automatic Borg-Warner Type 35[2]
Triumph 2000 Mark 2
[[File:Triumph 2000 Estate|frameless|upright=1.25|alt=]]
Production 1969–1977
104,580 made
Engine(s) 1998 cc Straight-6
Triumph 2.5 PI Mark I
[[File:Triumph 2.5 PI Mk I 2498cc first registered August 1969|frameless|upright=1.25|alt=]]
Production 1968–1969
9,029 made
Engine(s) 2498 cc Straight-6
Triumph 2.5 PI Mark II
Production 1969–1975
49,742 made
Engine(s) 2498 cc Straight-6
Triumph 2500TC
[[File:Triumph2500TC|frameless|upright=1.25|alt=]]
Production 1974–1977
32,492 made
Engine(s) 2498 cc Straight-6
Triumph 2500S
[[File:Triumph 2500 S first registered May 1976 2498cc|frameless|upright=1.25|alt=]]
Production 1975–1977
8164 made
Engine(s) 2498 cc Straight-6

The Triumph 2000 is a mid-sized, rear wheel drive automobile which was produced in Coventry, England by the Triumph Motor Company between 1963 and 1977. Larger-engined models, known as the Triumph 2.5 PI and Triumph 2500 were also produced.

EngineEdit

The car used the six-cylinder engine first seen in the Standard Vanguard at the end of 1960.[3] However, the last of the six cylinder Vanguards had applied a compression ratio of 8.0:1 which the increasing availability of higher octane fuels enabled the manufacturers to increase to 8.5:1 for the Triumph.[4] This and the fitting of twin Stromberg 150 CD carburettors made for a claimed power output increased to 90 bhp (67 kW/91 PS) from the Vanguard's 80 bhp (60 kW/81 PS).

Running gearEdit

Standard transmission on the original car was a 4-speed manual gearbox. (overdrive and Borg-Warner Type 35 3-speed automatic transmission were options.[4]) The monocoque body had independent suspension all-round using coil springs. The servo-assisted brakes were disc at the front and drums at the rear.

Market placeEdit

Triumph's 2000 competed with the contemporary Rover P6 2000, which initially was offered only with a four-cylinder engine. The Rover was also released in October 1963, just one week before the Triumph.[5] Together the cars defined a new market sector in the UK, promising levels of comfort and luxury hitherto associated with larger Rover and Jaguar models, but with usefully lower running costs and purchase prices, all in a modern package.

Triumph 2000 Mark I; "Project Barb"[6]Edit

Although the "Mark I" was presented to the public at the London Motor Show in October 1963, volume sales began only in January 1964. Continuing in production until 1969, this version came in saloon and, from 1965, estate forms. The estate, its body shell partly built by Carbodies, was in the Mark I version the same length as the saloon. Various minor improvements were made during the period of which the most noteworthy, probably, was a significant upgrade in October 1966 to the "previously rather ineffective" ventilation, with eyeball vents added in the centre of the facia and the heater controls repositioned beneath them.[7]

In 1968 the 2.5 PI (petrol injection) Mark I was launched, fitted with a Lucas Automotive mechanical fuel injection system. Performance was very good, but the PI models (along with the TR6 models) gained a reputation for unreliability and poor fuel economy.

In Australia these models suffered badly because of the summer heat. The electric fuel pump commonly overheated causing fuel to vaporise and render the engine inoperable until the pump cooled down. The overheating of the pump was caused by a combination of very high pressure fuel loads (over 110 psi (7.6 bar)) and a pump that was adapted from what was originally a windscreen wiper motor. As such, it did not cope well with sustained pressures in moderate to high ambient temperatures. Because of the launch late in the Mark I's life, there are relatively few PIs in the original shape.

Triumph 2000 Mark II; "Project Innsbruck"Edit

In October 1969,[2] the Mark II range was launched, again styled by Michelotti, updating the car for the 1970s. The front of the car now followed the lines of the then-upcoming Triumph Stag grand tourer. There were entry-level 2000 models, which were the most plentiful, but the remainder of the range consisted of 2500, 2500 TC and 2500 PI models. Apart from the PI (petrol injection) models, all Triumph 2000 and 2500s had twin Stromberg or SU carburettors, the "TC" prefix on some models can seem misleading in this respect as it stood for a higher equipment level. In June 1975 the 2500S model, with 14 inch (356 mm) wheels and anti-roll bar, was added: it replaced the 2.5PI which had quietly disappeared from the show rooms two months earlier.[8] This marked the end of fuel injected engines for the car, but improved acceleration was claimed for the twin carburettor 2500S and its slightly less expensive 2500TC sibling.[8] These new versions featured an extensive list of other, mostly minor, improvements, of which the most significant were probably those affecting the ride and handling: these resulted from suspension changes and the associated fitting of an "anti-sway" bar.[8]

The Estate in the Mark II version was 5 inches (125 mm) shorter than the MkII saloon, because the rear bodywork of the car was carried over unchanged from the MkI version.

The Mark II, the last big Triumph car, ceased production in 1977, supplanted by BL's corporate executive car, the Rover SD1: Six-cylinder 2300 and 2600 versions of the new Rover would nonetheless be powered by engines derived from the Triumph 2000.

In New Zealand CKD production of the Triumph 2000 continued at New Zealand Motor Corporation's Nelson plant, with 2500S models until March 1979. Sir Robert Muldoon, New Zealand's then Prime Minister, privately owned a 2500S and had been known to drive to work in it.

Motor sportEdit

Examples of the 2.5 PI version of the car finished 2nd and 4th in the 1970 London to Mexico World Cup Rally.

PreservationEdit

Availability after four decadesEdit

Many of these cars are still on the road, supported by owners clubs and specialist parts suppliers. Prices vary depending on year and model with the mk1 2.5PI estate being the most valuable. A roadworthy 2000 will cost around £700–£800; mint examples fetch upwards of £3500. A mk1 PI recently sold for £11,000. The 2000 and derivatives are also popular with modifiers owing to their common parts and engines shared between other Triumph models such as the TR6, GT6, and Vitesse.

Surviving examplesEdit

Examples of the Triumph 2000 and its relatives are often seen within the classic car section of most vintage machinery shows that feature a Classic cars section.

Add details here of known survivors in preservation.
  • list here

GalleryEdit

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ReferencesEdit

  1. Daily Express Motor Show Review 1975 Cars: 47 (Triumph 2000 Mk. II). October 1974. 
  2. 2.0 2.1 2.2 "Used Car Test: 1971 Triumph 2000 Estate Car", Autocar. 138 (nbr 4019): 16–17. date 7 June 1973. 
  3. "On the road ... Standard's new 'Luxury Six' Vanguard is based on their Michelotti-styled 'Vignale'. The new 1,998 c.c. (74.7 x 76 mm) six-cylinder engine has push-rod o.h. valves and twin down-draught carburetter ...", Practical Motorist. 7 (nbr 76): 7. December 1960. 
  4. 4.0 4.1 "Used Car Test: 1967 Triumph 200 Automatic", Autocar. 136 (nbr 3958): 24–25. 10 February 1972. 
  5. "Buying Secondhand: Rover 2000/2200", Autocar. 144 nbr 4155: pages 62–64. 26 June 1976. 
  6. "Barb" was the name given in 1961 to the development project for the replacement of the Standard Vanguard. The project had been under way for some years by this time, but progress had been hampered by a lack of money. The project was reinvigorated and took a new direction when Triumph was acquired by Leyland Motors, a successful truck manufacturer.
  7. "Used Car Test: Triumph 2000 (overdrive)", Autocar. 127 (nbr 3750): 20–21. date 28 December 1967. 
  8. 8.0 8.1 8.2 "New from British Leyland: 2.5PI gives way to 2500S", Autocar. 141 (nbr 4100): 59. date 7 June 1975. 

External linksEdit

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