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) |
Keyword: Sunbeam Mark Iii (1954-58)