Triumph GT6 III Images and Technical Specification


 


Technical Information

Triumph GT6 III  

 Production Dates

Oct 1970 - Dec 1973 

 Commission Numbers

KE 1 - KE 24,218 

 Total Produced

13,042 

 Base Price

£1,002 

 

 Performance 

 0-60mph (0-97km/h)

9.5, (10 - No O/D) secs 

 Top Speed

112 mph (180 km/h) 

 Standing ¼ mile

17.6 secs 

 Bhp/ton (dry weight)

101 bhp/ton 

 Overall fuel consumption

27.6 mpg (10.25 l/100km) 

 Touring fuel consumption

30.5 mpg (9.3 l/100km) 

 

 Engine 

 Cylinders

6 in-line 

 Bore and Stroke

74.7 mm x 76 mm 

 Cubic Capacity

1,998 cc (122 cu. in.) 

 Compression Ratio

9.25:1 

 Valve Gear

o.h.v. pushrod 

 Carburettors

Twin Stromberg 150 CDSE 

 Fuel Pump

Mechanical AC 

 Ignition

12 volt, alternator 

 Firing Order

1-5-3-6-2-4 

 Lubrication

Eccentric Lobe pump, 
AC full-flow filter 

 Max. Power (net)

98 bhp @ 5,300 rpm 

 Max. Torque (net)

108 lb. ft. @ 3,000 rpm 

 

 Transmission 

 Clutch

8½ in. diaphragm (Borg & Beck) 

 Syncromesh

All gears 

 Top Gear ratio

1:1 (overdrive 0.8:1) 

 3rd Gear ratio

1.25:1 (overdrive 1:1) 

 2nd Gear ratio

1.78:1 

 1st Gear ratio

2.65:1 

 Reverse Gear ratio

3.10:1 

 Final Drive ratio

3.27:1 (overdrive 3.89:1) 

 Overdrive

Opt. Laycock D-type 

 

 Chassis 

 Construction

Backbone Chassis supporting 
integral body 

 Front Brakes

9.7 in Disc, Girling Caliper 

 Rear Brakes

8 x 1¼ in drum 

 Front Suspension

Independent by coil springs 
and double wishbones, 
Anti-roll bar 

 Rear Suspension

Independent by transverse 
leaf spring, Rotoflex couplings 
located by lower wishbones 
and longitudinal radius rods 
(later models Independent by 
transverse leaf swing spring 
with swing axles located by 
longitudinal radius rods) 

 Dampers

Girling Telescopic 

 Steering Type

Rack and Pinion 

 Tyres

155 SR-13 
Dunlop SP68 

 Wheels

13 x 4½ J 

 

 Dimensions 

 Length

12 ft. 4 in. 

 Wheelbase

83 in. 

 Width

4 ft. 10 in. 

 Front Track

4 ft. 1 in. 

 Rear Track

4 ft. 1 in. 

 Height

3 ft. 11½ in. 

 Clearance

4 in. laden 

 Turning Circle

25 ft. 3 in. 

 Dry Vehicle Weight

1,936 lb (878 kg). 

 

 

 

 

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| Updated 29-Oct-2011 |