Humber Hawk (1954-56)
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) |
45 – 50 lb./sq. in. |
Fuel Supply
Carburetor | Stromberg DI 36 |
Choke | 11⁄32 |
Main | L1802 |
Metering | 0.052″ |
By-pass | 0.040″ |
Slow Running | 75 |
Valving
Intake tappet clearance | 0.007″ (hot) |
Exhaust tappet clearance | 0.009″ (hot) |
Valve-timing indication | Marks on camshaft and crankshaft wheels |
Intake valve opens | 15° BTDC |
Ignition
Breaker gap | 0.016″ |
Plug gap | 0.028″ – 0.032″ |
Ignition timing indication | Pointers on crankshaft pulley and timing cover |
Ignition timing |
6° BTDC (Premium fuel 0.28″ at pointers) |
Clutch
Clutch type | Borg & Beck 9″ |
Clutch linings | Mintex |
Brakes
Brake type | Lockheed 2LS (front); Leading and trailing (rear) |
Brake linings | Mintex M11 |
Wheel Alignment
Toe-In | 1⁄8“ |
Camber | ¾° Positive ± 15′ (Laden with 360 lb. weight 34½” to rear of front wheel centres) |
Caster angle | 0° |
King pin angle |
8° 15′ |
Keyword: Humber Hawk (1954-56)