Sunbeam Rapier Series I (1956)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke |
76.2mm x 76.2mm |
| Displacement |
1390cc |
| Firing order |
1,3,4,2 |
| Oil pressure (hot) |
30-50 lb./sq. in.
|
Fuel Supply
| Carburetor |
Stromberg DIF36 |
| Venturi |
13⁄32“ |
| Main Jet |
0.050″ |
| Main Discharge |
L1840 |
|
By-pass
|
0.026 |
Valving
| Intake tappet clearance |
0.012″ (hot) |
| Exhaust tappet clearance |
0.014″ (hot) |
| Valve-timing indication |
Punch dots on timing wheels |
| Intake valve opens |
11° BTDC (tappets at 0.0195″ clearance) |
Ignition
| Breaker gap |
0.016″ |
| Plug gap |
0.028″ – 0.032″ |
| Ignition timing indication |
Pointer on crank pulley 5½mm from pointer on timing cover. |
| Ignition timing |
5° to 7° BTD |
Clutch
| Clutch type |
Borg & Beck Single Dry Plate |
| Clutch linings |
Wire-reinforced wound yarn |
Brakes
| Brake type |
Lockheed Hydraulic 2LS |
| Brake linings |
Mintex M11 |
Wheel Alignment
| Toe-OUT |
1⁄8“ |
| Camber |
¾° |
| Caster angle |
3° 40′ |
| King pin angle |
5¼° |
