Jaguar 3½ Litre Xk120 And Xk120 Coupe (1949-50)
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 |
| Standard needle |
RF
|
| Rich needle |
53
|
| Weak needle |
RG
|
Valving
| Intake tappet clearance |
0.004″ (cold)
|
| Exhaust tappet clearance |
0.006″ (cold)
|
| Valve-timing indication | Flywheel and camshafts |
| Intake valve opens |
15° BTDC
|
Ignition
| Breaker gap | 0.010″ – 0.012″ |
| Plug gap | 0.022″ |
| Ignition timing indication | |
| Ignition timing |
5° BTDC
|
Clutch
| Clutch type | Borg & Beck Single Dry Plate |
| Clutch linings |
Ferodo
|
Brakes
| Brake type |
Lockheed 2LS Hydraulic
|
| Brake linings |
Mintex M15 (later models: Mintex M14)
|
Wheel Alignment
| Toe-In | 1⁄8” to 3⁄16“ |
| Camber | +1¾° to 2° |
| Caster angle | +4¾° to 5¼° (Later models and coupe: +3°) |
| King pin angle |
5°
|
