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How to get more flow from 993/964 plastic intake
How can I get more high rpm flow from above intake? Motor is 3.8 rsr p/c, 51.5 intake, 43?exh, in 964 heads with some porting on intake, 993 rsr cams. at this point torque starts to drop at 6k, max hp at 6.6k, and out to 7.7k hp has dropped ~25-30hp.
Would a larger throttle body help? I'm not sure what limiting factor is on these intakes at higher rpm.
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