Wolseley Six-Ninety Series III (1959)

Wolseley Six-Ninety Series III (1959)

The Car

Coming soon

The Specs

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


Bore & Stroke 79.375mm x 88.9mm
Displacement 2639cc
Firing order 1,5,3,6,2,4
Oil pressure (hot) 50 lb./sq. in. at 30 mph


Fuel Supply

Carburetor Twin SU H4
Bore 1½”
Main Jet 0.090″
Standard GR (low compression);No. 1 (high compression)
Rich No. 3 (low compression);-(high compression)
Weak V2 (low compression);-(high compression)


Intake tappet clearance 0.012″ (hot)
Exhaust tappet clearance 0.012″ (hot)
Valve-timing indication Chain links and marks on timing wheels
Intake valve opens 5° BTDC (TDC at 0.030″ clearance)


Breaker gap 0.014″ – 0.016″
Plug gap 0.024″ -0.026″
Ignition timing indication Pulley, timing cover and flywheel TDC (high compression)
Ignition timing 3° – 4° BTDC (low compression)



Clutch type Borg & Beck 9″ dia.
Clutch linings Wound yarn


Brake type Lockheed Drum 2LS (front); single (rear)
Brake linings DON R7

Wheel Alignment

Toe-In Parallel
Caster angle
King pin angle