sunnuntai 9. kesäkuuta 2013

Triumph GT 6 MK 3 1971

Triumph GT6 MK3  1971
Matti Särkiojan Triumph GT6 MK3 - 1971  on kesäisin  käytössä.

Triumph GT6 MK3  1971
October 1970 to December 1973.
Total number: 13,042.
Chassis numbers: KE1 to KE24218 (not continuous).
Engine 1998cc Six Cylinders in line.
Twin Zenith Stromberg CD150 carburettors.
Maximum power: 104 bhp @ 5300 rpm.
Maximum torque: 117 lbf ft (158 Nm) @ 3000 rpm.
Transmission Rear wheel drive, front mounted engine.
4-speed gearbox, direct gear change, all synchromesh.
Optional overdrive standard with 3.89:1 final drive.
Wheelbase/track Wheelbase of all models: 6 ft 11 in. (2.11 m.)
Track: front 4 ft 1 in (1.25 m.), rear 4 ft 2 in. (1.28 m.)

Triumph GT6 MK3  1971
Suspension Front: independent double wishbone type with coil spring, telescopic shock absorbers with anti-roll bar.
Rear: Independent suspension with bottom wishbone and transverse leaf spring, featuring rubber "Rotoflex" coupled drive shafts. Changed to swing spring type from chassis number KE20001 (February 1973).
Steering Rack and pinion with impact absorbing steering column.
4.5 turns lock to lock.
Turning radius: 25 ft 3 in. (7.70 m.)
Brakes Hydraulic: 9.7 in (24.6 cm) diameter front discs, 8x1.25 in (20.3x3.2 cm) rear drums, changed to 8x1.5 in (20.3x3.8 cm) rear drums from 1973.
Wheels/tyres 155-13 in tyres on 4.5 in pressed steel wheels.

Triumph GT6 MK3  1971

Optional wire wheels no longer offered.
Bodywork 2 Seater sports Coupe, opening rear tailgate.
Optional 2+2 rear seats.
Dimensions/weight Length: 12 ft 5 in. (3.78 m.)
Width: 4 ft 10.5 in. (1.50 m.)
Height: 3 ft 11 in. (1.20 m.)
Unladen weight: 2030 lb (920 kg)
Electrical system 12 Volts negative earth.
56 Amp/hr. battery and alternator charging system.
Performance 0-50 mph (0-80 km) in 7.7 sec.
0-60 mph (0-95 km) in 10.1 sec.
Top speed: 112 mph (180 km)
Fuel consumption (Avg.): 31 mpg (13 km/l)

Triumph GT6 MK3  1971

 GT6 Mk 3 (1970–1973)

The final major facelift for the GT6 came in 1970, to make the MK3. This time the whole bodyshell was revised to match the changes made to the Spitfire; these included a cut-off rear end, recessed door handles and a smoother front end. Only detail changes were made to the mechanics, but in 1973 - close to the end of the car's life - the rear suspension was changed again, this time for the cheaper (but still effective) 'swing-spring' layout.

Triumph GT6 MK3
 A brake servo was also added in 1973, and seats were changed from vinyl to cloth. There was still a fairly comprehensive options list, but the attractive 'knock-on' wire wheels were no longer available. Performance for the MK3 was basically similar to the MK2, top speed of 117mph and a 0-60 time of 10.1 seconds; this was now comfortably ahead of the MGB GT, which topped out at about 105mph and reached 60mph in approximately 13 seconds.

Triumph GT6 MK3
 The GT6 proved to be a thoroughly pleasant, well-behaved sports car, certainly after the launch of the MK2. However it never sold in the numbers hoped for by Triumph, and was comprehensively beaten in the marketplace by the arguably inferior MGB. This seems a puzzle; the smaller-engined Spitfire sold better than the MG Midget, but this success eluded the GT6.

Triumph GT6 MK3
 Triumph always refused to release a convertible version of the GT6, and this may be partly responsible; the only likely explanation for this is their reluctance to offer any competition for their TR6 roadster, a strong seller in the USA. Whatever the reason, the GT6 was quietly dropped from the Triumph range at the end of 1973, with a few cars being sold the year after.

Triumph GT6 MK3
 Today the cars have a strong following on the classic car circuit in the UK and USA. Mechanics are exceptionally strong, and share many common parts with other Triumphs of the period. Survival rate is comparatively high and there is excellent support from owners clubs.

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