Standard Flying Twelve (A12s) (1936)

Standard Flying Twelve (A12s) (1936)

The Car

Coming soon

The Specs

Below are the technical specifications and any performance numbers we could get.


Bore & Stroke 69.5mm x 106mm
Displacement 1608.5cc
Firing order 1,3,4,2
Oil pressure (hot)
25 – 40 lb./sq. in. at 30 mph

Fuel Supply

Carburetor Solex 30 FI
Choke 27
Main 125×2.9
Progression GA5 : GS145
Slow Running 45


Intake tappet clearance 0.004″ (cold)
Exhaust tappet clearance 0.004″ (cold)
Valve-timing indication Arrow on flywheel for TDC
Intake valve opens 10° BTDC


Breaker gap 0.010″ – 0.012″
Plug gap 0.018″ – 0.020″
Ignition timing indication
Ignition timing TDC


Clutch type Borg & Beck Single Dry Plate
Clutch linings Borg & Beck Composition


Brake type Bendix Cowdrey
Brake linings Bendix Compositio

Wheel Alignment

Toe-In 18
Camber 2½°
Caster angle 3½°
King pin angle 7½°