5.B.2.a American Gas Roadster – C/AGR (Gas only)
This is a single displacement engine class only. All rules which pertain to the existing Fuel/Gas Roadster class, 5.2.B, above will be enforced in this class. The engine used must be an American Automotive Production or Light Duty Pick Up Truck engines produced prior to 1973. The maximum engine displacement is 372.99 cid (6.111 L). The engine can be of a larger OEM displacement and reduced to the class maximum by reducing the bore and/or stroke. All engines in this class must run OEM iron blocks and cylinder heads. The burden of proof as to the origin of the engine components lies with the competitor. Induction can be either carburetors, mechanical fuel injection. Ignition must be a single magneto or points distributor. No EFI, computer controlled ignition, data collection, etc. computers are allowed.
Engine class allowed: C
Did this become a new class for 2013 ?