Riley 1½ Litre (1951-55)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 69mm x 100mm |
| Displacement |
1496cc
|
| Firing order |
1,2,4,3
|
| Oil pressure (hot) |
30 lb./sq. in. at 40 mph
|
Fuel Supply
| Carburetor |
SU horizontal H2
|
| Needle |
No. 3
|
Valving
| Intake tappet clearance |
0.003″ (0.015″ from engine No. 10311) (hot)
|
| Exhaust tappet clearance |
0.004″ (0.015″ from engine No. 10311) (hot)
|
| Valve-timing indication | Chain wheels |
| Intake valve opens | 9° BTDC |
Ignition
| Breaker gap | 0.010″-0.012″ (later models: 0.014″ – 0.016″) |
| Plug gap | 0.025″ |
| Ignition timing indication |
–
|
| Ignition timing |
8° BTDC
|
Clutch
| Clutch type | Borg & Beck Single Dry Plate |
| Clutch linings | Borg & Beck RYZ |
Brakes
| Brake type |
Girling Hydro-Mechanical
|
| Brake linings |
Don
|
Wheel Alignment
| Toe-In | Parallel |
| Camber | 1° |
| Caster angle | 3° |
| King pin angle | 11° |
