Triumph Tr3 (1955-56)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke |
83mm x 92mm |
| Displacement |
1991cc |
| Firing order |
1,3,4,2 |
| Oil pressure (hot) |
70 lb./sq. in. at 70°C (158°F) at 2000 rpm
|
Fuel Supply
| Carburetor |
SU Type H6 (twin) |
| Needles |
TE |
Valving
| Intake tappet clearance |
0.010″ (cold); (high-speed motoring: 0.013″) |
| Exhaust tappet clearance |
0.012″ (cold); (high-speed motoring: 0.013″) |
| Valve-timing indication |
Marks on timing gears |
| Intake valve opens |
Intake and exhaust valves equally open at TDC exhaust stroke with 0.015″ rocker clearance |
Ignition
| Breaker gap |
0.015″ |
| Plug gap |
0.032″ |
| Ignition timing indication |
Pulley and pointer |
| Ignition timing |
4° BTDC |
Clutch
| Clutch type |
Single Dry Plate |
| Clutch linings |
Moulded |
Brakes
| Brake type |
Lockheed Hydraulic |
| Brake linings |
Mintex M20 |
Wheel Alignment
| Toe-Out |
Nil to 1⁄8“ |
| Camber |
2° |
| Caster angle |
0° |
| King pin angle |
7°
|
