Thread: Making A Small Block 350 As Fast As It Can Be

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Don,

You wouldn't have to worry about the air going around the rotors. The rotors wouldn't be static with the clutch disengaged. The Roots-Connersville type lobed impeller blower is also used as a meter in natural gas applications. The natural gas flowing through the impellers turns them over and the impellers are geared to an index to measure gas consumption. The pressure drop across the impellers is very small. If there were a clutch on the front of the engine, the impellers would not be locked in place, but would rotate because of the intake requirements of the engine. I can't answer whether it would be too restrictive or not, but I believe a properly designed clutch would work . . . and I'm sure the Mad Max had one.