Originally Posted by
static1800
I have been looking into the rules for the improved production racing class lately and would love to run a mk1 in it. Now with these mk1 16v's being made could you run a kr or even an abf in this class? this is what the rules say, just not sure on how to digest them.
4. ENGINE
4.1 General: Subject to the limitations contained in 4.2 and 4.3(iii) below, the engine and components directly associated with its function are free. The crankshaft centreline as viewed from above must be parallel to that of the original engine.
4.2 Block:
(i) The block must have the same number of cylinders/rotors and the same configuration as was standard or available as a manufacturers option for that particular model (eg, in line, horizontally opposed).
(ii) The block must be from the same manufacturer (eg, Ford, GMH, Nissan) as the original car.
(iii) The cylinder block must either be:
(iv) (a) derived from an eligible car as detailed in Regulation 1.1. OR
(b) derived from the same family of engines as an eligible car using identical internal dimensions (with differences only in transmission mounting pattern, minor external casting differences etc). The block type must be clearly identifiable, ie, Nissan SR20DE, SR20DET, Holden Family II, Toyota 4AG series etc. The derived block must be identifiable as being from a mass produced vehicle, not exclusively developed for sporting evolution models produced for homologation purposes in small numbers for competition use only. CAMS will be the final arbiter in determining the eligibility of a block.
1.1 Improved Production Car: A race vehicle derived from a registered production automobile, with limited modifications to improve performance and reliability in speed events on circuits or closed courses.
To be eligible, the models of vehicles must be or have been mass-produced touring cars, the model of which has been
Ultimate Dubber
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