Riley 9 Hp (1938)

The Car

Coming soon

The Specs

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

Engine

Bore & Stroke 60.3mm x 95.2mm
Displacement
1089cc
Firing order
1,2,4,3
Oil pressure (hot)
40 – 50 lb./sq. in. at 40 mph

Fuel Supply

Carburetor
Twin Zenith
Choke
20
Main
65 or 55
Compensating
65
Slow Running
45

Valving

Intake tappet clearance
0.003″ (hot)
Exhaust tappet clearance
0.004″ (hot)
Valve-timing indication Timing gears
Intake valve opens TDC

Ignition

Breaker gap Scintilla mag.: 0.012″ – 0.016″ Coil ignition: 0.010″-0.012″
Plug gap 0.018″ – 0.022″
Ignition timing indication
Ignition timing
TDC (fully retarded)

Clutch

Clutch type Single Plate Automatic
Clutch linings Ferodo

Brakes

Brake type
Girling 11″
Brake linings
Girling

Wheel Alignment

Toe-In 18
Camber 1¾°
Caster angle 3¼°
King pin angle