CLASS  2 UP TO 1275cc

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.