Morris Isis Series Ii (1957-58)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 79.38mm x 88.9mm |
| Displacement |
2639.4cc
|
| Firing order |
1,5,3,6,2,4
|
| Oil pressure (hot) |
45 lb./sq. in.
|
Fuel Supply
| Carburetor | SU type H4 |
| Rich | BE |
| Standard | Needle No. 7 |
| Weak | AO |
Valving
| Intake tappet clearance |
0.012″ (hot)
|
| Exhaust tappet clearance |
0.012″ (hot)
|
| Valve-timing indication | Marks on chain wheels, bright links on chain |
| Intake valve opens | 5° BTDC at 0.030″ tappet clearance |
Ignition
| Breaker gap | 0.014″ – 0.016″ |
| Plug gap | 0.025″ |
| Ignition timing indication |
Pulley and arrow
|
| Ignition timing |
3° – 4° BTDC
|
Clutch
| Clutch type | Borg & Beck or Automatic |
| Clutch linings | Wound yarn |
Brakes
| Brake type |
Lockheed
|
| Brake linings |
M20
|
Wheel Alignment
| Toe-In | 1⁄8“ |
| Camber | ½° |
| Caster angle | 3¼° |
| King pin angle | 8¼° |
