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Superflow Flowbench

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Brad Reich at RPM refinished the valveseats and blended them into the newly shaped ports. The SuperFlow flowbench showed 324 cfm at 0.600-inch lift and 346 at 0.700 on the intake and 281 cfm at 0.600-inch lift and 295 at 0.700 on the exhaust after the porting. Starting with good cylinder heads and having professional work such as this done is one of the keys to making big power from an engine.

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