Triumph TR5

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The Triumph TR5 is a sports car built by the Triumph Motor Company in Coventry, England, between August 1967 and September 1968.[1]

Visually similar to the Michelotti-designed TR4 open two-seater it was derived from,[2] the TR5 replaced Triumph's Script error: No such module "convert". SAE Standard inline-four engine with the much more powerful Lucas mechanical fuel-injected Script error: No such module "convert". Triumph 2.5-litre straight-6. Price pressures and tighter emissions standards in the U.S. resulted in a much less powerful carburetted version, the TR250, being sold on the North American market.

At the time, fuel injection was uncommon in road cars. Triumph claimed in their sales brochure that it was the "First British production sports car with petrol injection".[3][4]

TR5

The base price of a 1968 TR5 in the UK was £1,260 including taxes. Standard equipment included front disc brakes, independent rear suspension, rack and pinion steering and a four speed gearbox. Optional extras included wire wheels (£38), overdrive (£60), and a tonneau cover (£13).[4]

The TR5 was available with the "Surrey Top" hard top, a weather protection system with rigid rear section including the rear window and removable fabric section over the driver and passenger's heads.

Specifications

Taken from the UK sales brochure.[3]

  • Engine: 2498 cc, 6 cylinder, 74.7 mm bore, 95 mm stroke, 9.5:1 compression ratio, Script error: No such module "convert".
  • Turning circle: Script error: No such module "convert".
  • Ground clearance: Script error: No such module "convert".
  • Luggage capacity:
    • Max width: Script error: No such module "convert".
    • Max height: Script error: No such module "convert".
  • Capacities:
Fuel tank: Script error: No such module "convert".
Engine sump: Script error: No such module "convert".
Gearbox: Script error: No such module "convert".
  • Acceleration in top:
30 to 50 mph: 7 s
40 to 60 mph: 7 s
60 to 80 mph: 8 s
  • Standing Script error: No such module "convert". : 16.5 s
  • Gear ratios:
  Top 3rd 2nd 1st Rev.
Ratios 1.0 1.33 2.01 3.14 3.22
Overall 3.45 4.59 6.94 10.83 11.11
  • Available colours:[1]
Paint Trim
New White Black / Matador Red
Triumph Racing Green Black, Light Tan
Signal Red Black
Jasmine Yellow Black / Light Tan
Royal Blue Black / Shadow Blue
Wedgewood Blue Black / Shadow Blue
Valencia Blue Black / Light Tan

Performance

According to its UK sales brochure, the fuel-injected engine could propel the TR5 from 0–Script error: No such module "convert". in 6.5 seconds, reaching a top speed of Script error: No such module "convert"..[3] Road tests at the time reported slightly different performance figures:[5]

  Sports Car World
October 1968 		Cars & Car Conversions
September 1968 		Motor
4 May 1968
0-Script error: No such module "convert". 6.2 s 6.4 s 6.3 s
Top Speed Script error: No such module "convert". Script error: No such module "convert". Script error: No such module "convert".

The TR5 engine was carried forward to the TR6.

Production

The TR5 was produced in small numbers when compared with either the TR250 or the later TR6, with just 2,947 units produced; the first car was assembled on 29 August 1967 and the last on 19 September 1968. Of these, 1,161 were destined for the UK market,[6] the remainder were left hand drive and were exported to France, Belgium and Germany amongst other countries. In the first quarter of 2011 there were approximately 410 licensed and 74 SORN TR5s registered with the DVLA.[7][8]

Script error: No such module "anchor".TR250

The Triumph TR250 was built during the same period for the North American market. Price pressures and tighter emission regulations resulted in twin Zenith-Stromberg carburettors being fitted instead of the TR5's Lucas fuel injection system. Otherwise it is nearly identical.

The TR250's engine delivered 111 bhp (81 kW), 39 bhp less than the TR5; Script error: No such module "convert". acceleration took 10.6 seconds.[2][9] The TR250 was also available with the Surrey Top system.

In 1968, the TR250 sold in the USA for approximately US$3,395, with wire wheels an $118 option, overdrive $175, and air conditioning $395.[10]

Specifications

Engine:

  • 2,498 cc, inline-six cylinder, Script error: No such module "convert". bore, Script error: No such module "convert". stroke, 8.5:1 compression ratio, Script error: No such module "convert". at 4,500 rpm

Turning circle: 10.1 m (33 ft)

Capacities:

Fuel tank: 51 litres (11.22 imp gal; 13.47 US gal)
Engine sump: 5.4 L (9.64 imp pt)
Gearbox: 1.13 L (2 imp pt)

Performance:

0 to Script error: No such module "convert".: 10.6 seconds[11]
0 to Script error: No such module "convert".: 39 seconds
Fuel consumption: Script error: No such module "convert". [11]

Production

A total of 8,484 TR250s were built, many destined for the US and Canada.[1][12] More than 1300 TR250s are still viable in the world today. Many can now be found outside the United States, primarily in Europe.

Gallery

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References

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  1. ↑ a b c Script error: No such module "citation/CS1".
  2. ↑ a b TR for Triumph, Chris Harvey, Template:ISBN
  3. ↑ a b c Original UK sales brochure, 387/168/UK
  4. ↑ a b Script error: No such module "Citation/CS1".
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "Citation/CS1".
  10. ↑ Motor Trend Magazine, April 1968
  11. ↑ a b Script error: No such module "citation/CS1".
  12. ↑ Original Triumph TR, Bill Piggott, Template:ISBN

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Template:British Motor Holdings and British Leyland cars, 1966-1986 Template:Triumph Motor Company timeline

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