Triumph 2000

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, 2500TC & 2500S
Triumph 2000 Mk 2 Saloon
Overview
ManufacturerTriumph Motor Company
Production1963–1977
324,652 produced
AssemblyUnited Kingdom
Australia[1][2]
South Africa[3]
New Zealand[4]
Belgium[5]
DesignerGiovanni Michelotti
Body and chassis
ClassMid-size executive car
Body style4-door saloon
5-door estate
LayoutFront-engine, rear-wheel-drive layout
Powertrain
Engine1,998 cc (121.9 cu in) straight-6 (2000)
2,498 cc (152.4 cu in) straight-6 (2.5 PI, 2500TC & 2500S)
Transmission4-speed manual
4-speed manual with overdrive
3-speed automatic
Dimensions
Wheelbase106 in (2,692 mm)
Length174 in (4,420 mm) Mk 1
183 in (4,648 mm) Mk 2
Width67 in (1,702 mm)
Height56 in (1,422 mm)
Chronology
PredecessorStandard Vanguard
SuccessorRover SD1

The Triumph 2000 is a mid-sized, rear wheel drive automobile which was produced in Coventry by the Triumph Motor Company between 1963 and 1977. It was introduced on 15 October 1963.[6] It was styled by Giovanni Michelotti.[7][8][9] [10]

It 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.[11] Larger-engined models, known as the Triumph 2.5 PI and Triumph 2500 were also produced from 1968.

Engine

The 2000 used the six-cylinder engine first seen in the Standard Vanguard at the end of 1960.[12] 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.[13] 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 gear

Standard transmission on the original car was a 4-speed manual gearbox: overdrive and Borg-Warner Type 35 3-speed automatic transmission were options.[13] The unitary body had independent suspension all-round with semi-trailing arms at the rear, all using coil springs. The servo-assisted brakes were disc at the front and drums at the rear.

Triumph 2000 Mk 1 & 2.5 PI Mk 1

Triumph 2000 Mk 1
Triumph 2.5 PI Mk 1
1967 Triumph 2000 Mk 1 Saloon
Overview
Production1963–1969 (2000)
120,645 produced
1968–1969 (2.5 PI)
9,029 produced
Body and chassis
Body style4-door saloon
5-door estate
Powertrain
Engine1,998 cc straight-6 (2000)
2,498 cc straight-6 (2.5 PI)
Transmissionmanual 4-speed gearbox (overdrive optional)[14] or
automatic Borg-Warner Type 35[14]

The Mk 1 was presented to the public at the London Motor Show in October 1963, and volume sales began in January 1964. Continuing in production until 1969, this version came in saloon and, from 1965, estate forms. The estate car body shell was partly built by Carbodies,[15]: 119  and in the Mk 1 version was 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.[16]

In October 1968[17] the 2.5 PI (petrol injection) Mk 1 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 Mk I's life, there are relatively few PIs in the original shape.

  • Triumph 2000 (Mk 1) Estate
    Triumph 2000 (Mk 1) Estate
  • Triumph 2.5 PI Mk 1 Saloon
    Triumph 2.5 PI Mk 1 Saloon

Triumph 2000 Mk 2, 2.5 PI Mk 2, 2500TC and 2500S

Triumph 2000 Mk 2
Triumph 2.5 PI Mk 2
Triumph 2500TC
Triumph 2500S
1976 Triumph 2000 TC Saloon
Overview
Also calledTriumph Chicane (South Africa) [3]
Production1969–1977 (2000)
104,580 produced
1969–1975 (2.5 PI)
49,742 produced
1974–1977 (2500TC)
32,492 produced
1975–1977 (2500S)
8,164 produced
Body and chassis
Body style4-door saloon
5-door estate
Powertrain
Engine1,998 cc straight-6 (2000)
2,498 cc straight-6 (2.5 PI, 2500TC & 2500S)

In October 1969,[14] the Mk 2 range was launched, styled, like its predecessor, by Michelotti, and preparing 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" suffix 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.[18] 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.[18] 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 including an anti-roll bar.[18] The Estate in the Mk 2 version was 5 inches (125 mm) shorter than the Mk 2 Saloon, because the rear bodywork of the car was carried over unchanged from the Mk 1 version, and as with the Mk 1, built by Carbodies.[15]: 125 

The Mk 2, the last big Triumph car, ceased production in 1977, supplanted by British Leyland's corporate executive car, the Rover SD1. Six-cylinder 2300 and 2600 versions of the new Rover would nonetheless be powered by engines designed by Triumph, originally intended to replace the older 2000 / 2500 units.[19][20] The last production car, a 2500S estate (BOL87V) is kept at the Heritage Motor Centre.

  • Triumph 2.5 PI Mk 2 Saloon
    Triumph 2.5 PI Mk 2 Saloon
  • Triumph 2500TC Saloon
    Triumph 2500TC Saloon
  • 1976 Triumph 2500S Saloon
    1976 Triumph 2500S Saloon
  • 1976 Triumph 2500S Estate
    1976 Triumph 2500S Estate

Overseas assembly

Various models were assembled in South Africa, with the later 2500TC and 2500S being badged Triumph Chicane in that market between 1973 and 1978.[21]

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 Rob Muldoon, New Zealand's then Prime Minister, privately owned a white 2500S and had been known to drive to work in it. This car is now owned by a member of the Auckland Triumph Car Club.

The 2000 was assembled in Australia by Australian Motor Industries.[22] A special version of the Mk 1 was known as the 2000MD ("Managing Director"), which had special features such as knock-off wire wheels, triple Stromberg carburettors, and the battery moved to the boot.[22] Total production of the 2000MD was approximately 100.[22]

Today

Many of these cars are still on the road, supported by owners clubs and specialist parts.[23]

The 2000 and derivatives are also popular with modifiers owing to common parts and engines shared with other Triumph models such as the TR6, GT6, and Vitesse.

Motor sport

Factory-entered 2.5 PIs finished 2nd and 4th in the 1970 London to Mexico World Cup Rally.[24]

References

  1. ^ Triumph 2000/2500/2.5 Historical Page Retrieved on 29 March 2012
  2. ^ Australian Motor Industries (AMI) The Start Retrieved on 30 March 2012
  3. ^ a b Class Acts, Part 2: Triumph 2000, 2.5 PI, and 2500 Mk 2, ateupwithmotor.com Retrieved on 10 April 2014
  4. ^ "Motor Assembly Plant Officially Opened - Nelson Photo News - No 67 : May 28, 1966". photonews.org.nz. Retrieved 28 May 2019.
  5. ^ "Malines (Belgium) factory Leyland-Triumph 1972". www.motorgraphs.com. Retrieved 23 February 2020.
  6. ^ New Triumph marks the End of an Era. The Times, Tuesday, 15 October 1963; pg. 16; Issue 55832
  7. ^ Bill Boddy (November 1963). "Driving the new Triumph 2000". Motor Sport. Retrieved 9 February 2021.
  8. ^ Dave Moss (4 December 2015). "Michelotti (and the Triumph Stag) – 'A free pencil…'". 2015 marks the 45th anniversary of the launch of the Triumph Stag. Dave Moss looks back at the car and its talented instigator, Giovanni Michelotti…. Kim Henson, "Wheels Alive". Retrieved 9 February 2021.
  9. ^ "Rover P6". Classic Cars. "Classic Cars", Brentwood, Essex. Retrieved 9 February 2021.
  10. ^ Jonathan Lewis (2010). "The Triumph 2000 Story – The Final Years: 'TC' and 'S' Models, 1974-1977". The Triumph 2000 Register, Wakefield, Yorkshire. Retrieved 9 February 2021.
  11. ^ "Buying Secondhand: Rover 2000/2200". Autocar. 144. Vol. nbr 4155. 26 June 1976. pp. 62–64.
  12. ^ "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.
  13. ^ a b "Used Car Test: 1967 Triumph 200 Automatic". Autocar. 136. Vol. (nbr 3958). 10 February 1972. pp. 24–25.
  14. ^ a b c "Used Car Test: 1971 Triumph 2000 Estate Car". Autocar. 138. Vol. (nbr 4019). 7 June 1973. pp. 16–17.
  15. ^ a b Bill Munro (1998). Carbodies The Complete Story. The Crowood Press. ISBN 1-86126-127-6.
  16. ^ "Used Car Test: Triumph 2000 (overdrive)". Autocar. 127. Vol. (nbr 3750). 28 December 1967. pp. 20–21.
  17. ^ "Triumph". The Times. No. 57370. 1 October 1968. p. 9.
  18. ^ a b c "New from British Leyland: 2.5PI gives way to 2500S". Autocar. 141. Vol. (nbr 4100). 7 June 1975. p. 59.
  19. ^ Keith Adams (26 August 2011). "Engines : Rover SD1 Six ... Leyland's first, Triumph's last". AROnline. Retrieved 18 January 2016.
  20. ^ "The Rover 2300, MK1". THE ROVER SD1 CLUB. Archived from the original on 2 November 2007. Retrieved 18 January 2016.
  21. ^ Time & Tide, Volume 55, Time and Tide Publishing Company, 1974, page 12
  22. ^ a b c Chambers, Cliff (27 February 2013). "Ones That Got Away". Unique Cars (347): 24. Retrieved 5 March 2013.
  23. ^ "The Triumph 2000 2500 2.5 Register". triumph2000register.co.uk. Retrieved 28 May 2019.
  24. ^ The Triumph 2000 Story - The Big Triumphs in ‘Works’ Competition: 1964-1976, triumph2000register.co.uk Retrieved on 14 April 2014
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