Sunbeam Mark Iii (1954-58)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
Bore & Stroke | 81mm x 110mm |
Displacement | 2267cc |
Firing order | 1,3,4,2 |
Oil pressure (hot) |
30-50 lb./sq. in.
|
Fuel Supply
Carburetor | Zenith D136 |
Venturi | 13⁄16 |
Main Jet | L1840 |
Metering | 0.056 |
Idle tube
|
0.040 |
By-pass
|
70/75 |
H/S bleed
|
60 |
Pump
|
75 |
Economy
|
0.28 |
Valving
Intake tappet clearance | 0.007″ (hot) |
Exhaust tappet clearance | 0.009″ (hot) |
Valve-timing indication | Timing gears |
Intake valve opens | 19° BTDC |
Ignition
Breaker gap | 0.014″ – 0.016″ |
Plug gap | 0.028″ – 0.032″ |
Ignition timing indication | Fan pulley |
Ignition timing | TDC |
Clutch
Clutch type | Borg & Beck |
Clutch linings | Mintex M19 |
Brakes
Brake type | Lockheed |
Brake linings | M11 or M20 |
Wheel Alignment
Toe-OUT | 1⁄8” (Laden to gap gauges) |
Camber | +0° 45′ ± ¼° (Laden to gap gauges) |
Caster angle | +4° 41′ (Laden to gap gauges) |
King pin angle | 5° 15′ ± ¼° (Laden to gap gauges) |