a twin-screw is a great unit with higher a/e and v/e then most centrifugals but the damn vvel screwed it up. Would require an extra throttle body be mounted in the car. Centrfugal would be cheap and easy on our cars but i hate the way they provide boost. A good whipple or kenne bell twin screw would have done it for me seeing as they have a unit sized for 500-850hp.
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