Sunbeam Rapier Series I (1956-57)

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 1332
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 18” – 316
Camber ¾°
Caster angle 3° 40′
King pin angle 5¼°