Standard Flying Twenty (20a) (1937)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
Bore & Stroke |
73mm x 106mm |
Displacement |
2664cc |
Firing order |
1,5,3,6,2,4 |
Oil pressure (hot) |
30 lb./sq. in. at 30 mph
|
Fuel Supply
Carburetor |
Solex 35 IFL |
Choke |
30 |
Main |
135 |
Compensating |
240 |
Progression |
GA5 : GS195 |
Idling |
50 |
Valving
Intake tappet clearance |
0.015″ (cold) |
Exhaust tappet clearance |
0.015″ (cold) |
Valve-timing indication |
Arrow on flywheel for TDC |
Intake valve opens |
10° BTDC |
Ignition
Breaker gap |
0.010″ – 0.012″ |
Plug gap |
0.040″ with B12 coil fitted |
Ignition timing indication |
– |
Ignition timing |
TDC |
Clutch
Clutch type |
Borg & Beck Single Dry Plate |
Clutch linings |
Borg & Beck Composition |
Brakes
Brake type |
Bendix |
Brake linings |
Bendix Moulded Composition |
Wheel Alignment
Toe-In |
1⁄8“ |
Camber |
2½° |
Caster angle |
2° |
King pin angle |
7½° |