Austin A90 Six (1954-55)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 79.4mm x 89mm |
| Displacement |
2639cc
|
| Firing order | 1,5,3,6,2,4 |
| Oil pressure (hot) |
55 – 60 lb./sq. in.
|
Fuel Supply
| Carburetor | Zenith 42 VIS |
| Choke |
31
|
| Main |
95
|
| Compensating |
110
|
| Slow running |
60
|
Valving
| Intake tappet clearance |
0.012″ (hot)
|
| Exhaust tappet clearance |
0.012″ (hot)
|
| Valve-timing indication | Marks on timing chain cover an d fan pulley |
| Intake valve opens |
5° BTDC (TDC at 0.021″ clearance)
|
Ignition
| Breaker gap | 0.014″ – 0.016″ |
| Plug gap | 0.025″ |
| Ignition timing indication |
–
|
| Ignition timing |
10° BTDC
|
Clutch
| Clutch type | Borg & Beck Single Dry Plate hyd. operated |
| Clutch linings |
–
|
Brakes
| Brake type |
Girling 2LS Front
|
| Brake linings |
–
|
Wheel Alignment
| Toe-In | 0″ to 1⁄8“ |
| Camber | ½° |
| Caster angle | 1¼° |
| King pin angle |
6°
|
