Austin A125 Sheerline (1949-51)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 87.3mm x 111.1mm |
| Displacement |
3993cc
|
| Firing order | 1,5,3,6,2,4 |
| Oil pressure (hot) |
50 – 55 lb./sq. in.
|
Fuel Supply
| Carburetor | Stromberg D/D DBVA36-42) |
| Bypass |
0.046
|
| Main |
0.063
|
| Idle bleed |
75
|
| Pum |
68
|
Valving
| Intake tappet clearance |
0.015″ (hot)
(0.012″ on later models with one-piece rocker) |
| Exhaust tappet clearance |
0.015″ (hot)
(0.012″ on later models with one-piece rocker) |
| Valve-timing indication | On gears |
| Intake valve opens |
5° BTDC
|
Ignition
| Breaker gap | 0.010″ – 0.012″ |
| Plug gap | 0.021″ – 0.022″ |
| Ignition timing indication |
Flywheel
|
| Ignition timing |
4½° BTDC
|
Clutch
| Clutch type | Single Dry Spring Plate |
| Clutch linings |
Borg & Beck
|
Brakes
| Brake type |
Lockheed 2LS Hydraulic
|
| Brake linings |
–
|
Wheel Alignment
| Toe-In | 1⁄16” to 1⁄8“ |
| Camber | ¾° |
| Caster angle | ¼° |
| King pin angle |
5°
|
