Rolls-royce Silver Dawn (1952-53)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 92mm x 114mm |
| Displacement |
4566cc
|
| Firing order |
1,4,2,6,3,5
|
| Oil pressure (hot) |
20-21 lb./sq. in.
|
Fuel Supply
| Carburetor |
Zenith Single Choke AC air cleaner
|
| Venturi |
1¼
|
| Main | 0.060″ |
| By-pass |
0.054″
|
| Pump jet |
No. 70
|
Valving
| Intake tappet clearance |
0.006″ (cold)
|
| Exhaust tappet clearance |
0.012″ (cold)
|
| Valve-timing indication | Flywheel mark (tappets at 0.030″) |
| Intake valve opens | TDC |
Ignition
| Breaker gap | 0.020″ |
| Plug gap | 0.025″ |
| Ignition timing indication |
Flywheel mark
|
| Ignition timing |
TDC (fully retarded)
|
Clutch
| Clutch type | Borg & Beck |
| Clutch linings | Mintex |
Brakes
| Brake type |
Rolls-Royce Hydraulic Mechanical servo-assisted
|
| Brake linings |
Ferodo
|
Wheel Alignment
| Toe-In | 1⁄16” to 5⁄32“ |
| Camber | 0° to 1° out (no adjustment) |
| Caster angle | +½° to -½° |
| King pin angle | 4¼° |
