Sunbeam Rapier Series I (1956-57)
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 | Zenith 36WIP2 |
Choke | 13⁄32“ |
Main Jet | 110 |
Main Discharge | 0.016289 |
H/S bleed
|
1.8 |
Slow Running
|
50 |
Fast idle
|
0.025 |
Accel. Pump
|
50 |
Valving
Intake tappet clearance | 0.012″ (hot) |
Exhaust tappet clearance | 0.014″ (hot) |
Valve-timing indication | Timing gears |
Intake valve opens | 11° BTDC (tappets at 0.0195″ clearance) |
Ignition
Breaker gap | 0.014″ – 0.016″ |
Plug gap | 0.028″ – 0.032″ |
Ignition timing indication | Fan pulley |
Ignition timing | 10° to 12° BTDC (Hi compr. engine) 8° BTDC (Lo compr. engine) |
Clutch
Clutch type | Borg & Beck Single Dry Plate |
Clutch linings | Wound yarn wire-reinforced |
Brakes
Brake type | Lockheed |
Brake linings | Mintex M11 |
Wheel Alignment
Toe-OUT | 1⁄8” – 3⁄16“ |
Camber | ¾° |
Caster angle | 3° 40′ |
King pin angle | 5¼° |