Permitted modifications supported by documented evidence.
Engine.
V8 Rover engine 3538cc. Bore 88.9mm Stroke 71.12mm
Ignition.
Points and condenser.
Luminition Optronic electronic ignition is permitted.
Carburation.
Twin 1.75, S U (Not later H I F type) Holly 4 choke.
Gearbox.
Four syncromesh. Straight Cut Gears. plus overdrive.
Rear Axle.
Standard axle with LSD.
Panhard rods are not permitted.
Brakes.
Front. 273 x 9mm Solid brake disc. Rear: 254mm Standard drum.
Tandem master cylinder. Adjustable brake pedal box. As long as it cannot be adjusted by driver or navigator when normally seated.
Suspension.
Front. Lever arm. Rear. Lever arm. (Not Telescopic)
Wheels and Tyres.
14 inch Diameter.
A maximum of 7 inch wheel rim width is permitted.
General.
Fibre glass bonnet or boot lid. Perspex side windows.
Alloy centrally mounted replacement petrol tank.