Permitted modifications supported by documented evidence.


1300cc or 1600cc OHV

Electronic ignition.

Lucas or Lumenition Optronic replacement system.


Twin Weber or Delorto. 40 or 45 DCOE. Twin 1.5, Stromberg CDS


Four syncromesh. The original gearbox may be replaced with a four speed Ford RS2000 or Bullet gearbox.

Rear Axle.

Standard axle with LSD.


Original Solid brake disc and 2 piston Brake Caliper.
Girling  M16  2 piston Brake Calipers.
AP Racing CP2361 brake capliper.

Standard drum. Chrysler 180 disc and caliper assemblies.
Alternatively an AP CP2577 is permitted with a solid brake disc only

Hand Brake:
Hydraulic handbrake is permitted.

Master Cylinders.

Single outlet master cylinders may be replaced by a Tandem or Twin cylinder arrangement.

The fitting of a dual master cylinder or any other type of device providing a simultaneous action on all four wheels and divided action on two wheels is permitted, providing the original brake pedal and pivot point are used.

The remote brake bias adjuster must be positioned so that it cannot be adjusted by either the driver or co-driver when normally seated in the car.



Mc Pherson Strut. A front strut brace is permitted.


Wheels and Tyres

Wheel rim, Tyre size and profile as per MSA Year book.


Fibre glass bonnet and boot lid.
Composite Side windows.
Alloy centrally mounted replacement petrol tank.
Bumpers must be fitted front and rear.
Digital display dashes and instruments are not permitted.

Body Shell.
The shells in standard form suffer from cracking on the front screen pillars.
This can be overcome by inserting a 5/8inch steel tube up the inside of the pillar and welding in place.