Armstrong Siddeley STar Sapphire (1959)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
Bore & Stroke |
97mm x 90mm |
Displacement |
3990cc |
Firing order |
1,5,3,6,2,4 |
Oil pressure (hot) |
60 lb./sq. in. |
Fuel Supply
Carburetor |
Twin Stromberg DIV 42 (alt. Zenith 42WIA) |
Choke |
1¼” (alt. Zenith=32mm) |
Main |
0.065″ (alt. Zenith=157) |
By-Pass |
0.060″ (alt. Zenith=120) |
Main Discharge |
L1808 (alt. Zenith=N/A) |
High-speed bleed |
0.065″ (alt. Zenith=N/A) |
Pump |
0.070″ (alt. Zenith=N/A) |
Valving
Intake tappet clearance |
0.008″ (hot) |
Exhaust tappet clearance |
0.008″(hot |
Valve-timing indication |
Timing wheels |
Intake valve opens |
8° BTDC at 0.008″ clearance |
Ignition
Breaker gap |
0.015″ |
Plug gap |
0.028″ |
Ignition timing indication |
Peg and hole in flywheel |
Ignition timing |
3°BTDC
|
Clutch
Clutch type |
Hydraulic torque converter |
Clutch linings |
|
Brakes
Brake type |
Girling disc (front), drum (rear) with Vac-hydro |
Brake linings |
Ferodo DS5 (front); MSI (rear) |
Wheel Alignment
Toe-In |
0″ to 1⁄16“ |
Camber |
1° ± ¼° unladen |
Caster angle |
½° ± ¼° unladen’ |
King pin angle |
5.5° unladen |
Keyword: Armstrong Siddeley STar Sapphire (1959)