No pics yet as we have to build a bike. Here are the rules for drivelines for pro gas. The fuelers are running almost a second quicker than these bikes, but I figure low 7's high 6's ain't a bad place to start hehe. The pic is of the pro gas winner from last week at Pomona.
# ENGINE
Engine: Must keep design features of V-Twin engines (45° to 90° V-Twin). Aftermarket heads are legal, including 4 valve. Crankcase and all tanks containing fluids must have vent tubes routed to catch can or have a spill breather system on motorcycle. Engine restraint systems are recommended for nitrous engine. Chest protectors are recommended. Scatter-shield or ballistic blanket required on superchargers.
UNLIMITED cu.i. - Gasoline or alcohol. Normally aspirated carburetor(s) or fuel injection is allowed. No nitrous oxide or other supplemental fuels or oxidizers.
160 cu.i. - Gasoline or alcohol, single or double engines, carburetor or fuel injection. Nitrous oxide OR supercharger OR turbocharger (any one of theses).
122 cu.i. - Gasoline or alcohol, any induction system, nitrous oxide allowed.
# DRIVE TRAIN
Chain Guard: Chain and belt guards are mandatory. Must cover top run of drive. Guard must be .060-inch steel or 1/8 inch aluminum.
Transmission: Any type transmission may be used. Any type clutch, belt drives, air shift, etc. are legal. (Clutch must have strong protective covering.) Guard must be .060 steel or 1/8 inch aluminum. Transmissions and clutches must exhibit good engineering practices and may require data to be submitted for approval.
