CARS READILY AVAILABLE IN THE REPUBLIC OF IRELAND. ( 5 YEARS OLD OR OVER) AND PREPARED AS PER THIS RULE BOOK WITH THE FOLLOWING POINTS ADHERED TO.
Up to 1275 cc 16 valve standard engine.
c.u.s may not be modified in any way, except rev limiter can be removed.
Carburettor or injection may be used or exchanged but must be as standard type for that engine.
Competition injection or carbs not permitted.
Re-jetting of carburettor is allowed.
Flywheels may be lightened.
Gearbox can be changed to alternative standard production type from different make or model of car, use of adaptor plate permitted if necessary
No specialist competition gearing or internals permitted.
Limited slip or welded differentials not permitted.
Suspension and steering can be modified to adjust camber, but must be to high standard of workmanship as determined by scrutineer.
Compression ratio can be changed by skimming cylinder head or block.
Inlet/exhaust ports must remain as originally cast
Catalytic convertors can be removed
Exhausts can be modified, but must have a silencer fitted that adequately quietens the car.
Four branch exhaust systems permitted.
Exhausts cannot be allowed to blow onto the petrol tank or fuel/brake lines.
Up rated suspension may be used. Springs can be lowered and hardened.
Platforms, coil overs or adjustable competition type suspension are permitted.
Any standard production body shell can be used.
Any tyre is allowed up to a maximum of a 8 inch tyre
Maximum of an 7 inch wheel rim allowed
Standard cam timing must be used, with original timing pulleys.
Standard fuel pressure only.
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