Standard Flying Twenty (20a) (1937)

Standard Flying Twenty (20a) (1937)

The Car

Coming soon

The Specs

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


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


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


Breaker gap 0.010″ – 0.012″
Plug gap 0.040″ with B12 coil fitted
Ignition timing indication
Ignition timing TDC


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


Brake type Bendix
Brake linings Bendix Moulded Composition

Wheel Alignment

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