Jaguar Xk140 (1955)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 83mm x 106mm |
| Displacement |
3442cc
|
| Firing order | 1,5,3,6,2,4 (Valve numbering in Jaguar is from rear of engine) |
| Oil pressure (hot) |
40 lb./sq. in.
|
Fuel Supply
| Carburetor | SU Twin |
| Needle |
Needles vary according to tunin
|
Valving
| Intake tappet clearance |
0.004″ (cold)
|
| Exhaust tappet clearance |
0.006″ (cold)
|
| Valve-timing indication | TDC marks on flywheel and crankcase |
| Intake valve opens |
15° BTDC
|
Ignition
| Breaker gap | 0.014″ – 0.016″ |
| Plug gap | 0.022″ |
| Ignition timing indication |
Crankshaft damper
|
| Ignition timing |
8° BTDC (7:1 compression ratio);
10° BTDC (8:1 compression ratio) |
Clutch
| Clutch type | Borg & Beck 10″ Single Dry Plate |
| Clutch linings |
Brakes
| Brake type |
Lockheed Hydraulic
|
| Brake linings |
Mintex (M20)
|
Wheel Alignment
| Toe-In | 0″ to 1⁄8“ |
| Camber | ½° to 1° positive |
| Caster angle | 2½° to 3° positive |
| King pin angle |
5°
|
