Sunbeam Rapier Series Iii (1959-60)

Sunbeam Rapier Series Iii (1959-60)

The Car

Coming soon

The Specs

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


Bore & Stroke 79mm x 76.2mm
Displacement 1494cc
Firing order 1,3,4,2
Oil pressure (hot)
30-50 lb./sq. in. at 50 mph

Fuel Supply

Carburetor Twin Zenith 36WIA
Choke 26
Main Jet 115
H/S bleed 180
Slow Running


Intake tappet clearance 0.012″ (hot or cold)
Exhaust tappet clearance 0.014″ (hot or cold)
Valve-timing indication Marks on crankshaft and camshaft timing wheels
Intake valve opens 14° BTDC


Breaker gap 0.016″
Plug gap 0.025″
Ignition timing indication Pulley and pointer
Ignition timing 5° – 7° BTDC


Clutch type Borg & Beck Hydraulic operation
Clutch linings


Brake type Lockheed Hydraulic: disc at front; pads Don 55
Brake linings Ferodo DM53A

Wheel Alignment

Toe-In 18” – 316” at periphery of tires (Laden to gap gauges)
Camber +0° 45′ ± ¼° (Laden to gap gauges)
Caster angle +1° 45′ ± ¼° (Laden to gap gauges)
King pin angle 5° 15′ ± ¼° (Laden to gap gauges)