Riley Two-point-six (1957-59)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 79.375mm x 88.9mm |
| Displacement |
2639cc
|
| Firing order |
1,5,3,6,2,4
|
| Oil pressure (hot) |
50 lb./sq. in.
|
Fuel Supply
| Carburetor |
Twin SU H4
|
| Choke |
1½
|
| Standard needle |
AJ
|
|
Main
|
0.090″
|
|
Rich needle
|
FR
|
|
Weak needle
|
V2
|
Valving
| Intake tappet clearance |
0.012″ (hot)
|
| Exhaust tappet clearance |
0.012″ (hot)
|
| Valve-timing indication | Dimples on timing wheels and bright links on chain |
| Intake valve opens | 5° BTDC (TDC at 0.024″ clearance) (1959: 0.030″ clearance) |
Ignition
| Breaker gap | 0.014″ – 0.016″ |
| Plug gap | 0.025″ |
| Ignition timing indication |
Pointer and pulley
|
| Ignition timing |
4° – 5° BTDC
|
Clutch
| Clutch type | Borg & Beck 10″ A6-G |
| Clutch linings | Wound yarn |
Brakes
| Brake type |
Lockheed Hydraulic
|
| Brake linings |
DON R7
|
Wheel Alignment
| Toe-In | Parallel |
| Camber | ¾° |
| Caster angle | 3° |
| King pin angle | 6° |
