Specifications: Triumph TR3A

Collected by Carl Musson

ENGINE
Type 4-cylinder, in line, water cooled, cast iron block and cylinder head
Bore x Stroke 83x92mm / 3.27x3.62 in.
86x92mm / 3.39x3.62 in. (optional from '59)
Displacement 1991 cc / 121.5 cu in.
2138 cc / 130.5 cu in.
Valve Operation Overhead valves with pushrod operation
Compression Ratio 9.1:1
Carburetion 2 SU H6s
BHP (mfr) No Official figures were stated for this motor

 

CHASSIS & DRIVETRAIN
Transmission 4-speed with optional overdrive
Axle Ratio 3.7:1
Rear Suspension live axle, half elliptic springs, lever shocks
Front Suspension independent front suspension, telescopic shocks

 

GENERAL
Wheelbase 88 inches
Overall Length 151 inches
Track -----Front:

Rear:

45 inches

45.5 inches

Brakes ---Front:

Rear:

Rear:

11 inch discs

10 x 2 1/4 inch drums

9 x 1 3/4 inch drums

Tire Size 5.50 x 15
Wheel Size 4.5 x 15
Weight 2,138 lbs.

 

PERFORMANCE
Acceleration 0-30 4.4 secs
Acceleration 0-60 12.6 secs
Top Speed 104 mph

 

REFERENCES