Humber Super Snipe Mark Iv (1953-57)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
Bore & Stroke |
88.9mm x 111mm |
Displacement |
4139cc |
Firing order |
1,5,3,6,2,4 |
Oil pressure (hot) |
45 – 50 lb./sq. in. at 30-45 mph
|
Fuel Supply
Carburetor |
Stromberg DBVA42 |
Venturi |
1¼ |
Main |
L2080 |
Metering |
0.065 |
By-pass |
0.056 |
Idle tube |
64 x 75 |
H/S bleed |
52 |
Pump |
68 |
Valving
Intake tappet clearance |
0.010″ (cold) |
Exhaust tappet clearance |
0.012″ (cold) |
Valve-timing indication |
Marks on timing gears |
Intake valve opens |
15° BTDC |
Ignition
Breaker gap |
0.016″ |
Plug gap |
0.028″ – 0.032″ |
Ignition timing indication |
Fan pulley and timing cover |
Ignition timing |
5° – 7° BTDC (premium)
|
Clutch
Clutch type |
Borg & Beck Hydraulic Operation |
Clutch linings |
Borglite |
Brakes
Brake type |
Lockheed Hydraulic |
Brake linings |
Mintex M11 |
Wheel Alignment
Toe-In |
1⁄8” (Note: Toe-in and steering angles with car laden to gap gauges) |
Camber |
+0° 45′ |
Caster angle |
1° 5′ |
King pin angle |
5° 15′
|
Keyword: Humber Super Snipe Mark Iv (1953-57)