Vauxhall Wyvern (1956-57)

The Car

Coming soon

The Specs

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

Engine

Bore & Stroke 79.37mm x 76.2mm
Displacement 1508cc
Firing order 1,3,4,2
Oil pressure (hot)
25 – 35 lb./sq. in.

Fuel Supply

Carburetor Zenith 34 VN
Choke 25
Main 82
Compensating 85
Air Bleed F/T
Slow Running 55

Valving

Intake tappet clearance 0.011″ – 0.013″ (hot)
Exhaust tappet clearance 0.011″ – 0.013″ (hot)
Valve-timing indication Flywheel and timing wheels
Intake valve opens 4° BTDC at 0.013″ tappet clearance

Ignition

Breaker gap 0.014″ – 0.016″
Plug gap 0.028″ – 0.030″
Ignition timing indication Steel ball in flywheel
Ignition timing
9° BTDC

Clutch

Clutch type Borg & Beck 7¼ A6
Clutch linings

Brakes

Brake type Hydraulic
Brake linings Raybestos CP2

Wheel Alignment

Toe-In 116” to 18
Camber 1° to 2½° positive
Caster angle ¾° to 1¾° positive
King pin angle
2¼° to 3¾°