Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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You talking about racing on the skinny, Polyglass type tires? If so, then there are basically 2 classes:
1: Pure Stock - must retain stock engine specs, stock suspension, etc. 2: Stock Appearing - must use factory correct engine pieces but any internal mods are fair game, some limited other mods. |
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