Sunbeam Rapier Series I (1956)

Sunbeam Rapier Series I (1956)

The Car

Coming soon

The Specs

Below are the technical specifications and any performance numbers we could get.


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 1332
Main Jet 0.050″
Main Discharge L1840


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)


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 type Borg & Beck Single Dry Plate
Clutch linings Wire-reinforced wound yarn


Brake type Lockheed Hydraulic 2LS
Brake linings Mintex M11

Wheel Alignment

Toe-OUT 18
Camber ¾°
Caster angle 3° 40′
King pin angle 5¼°