would this give even better gains with ported heads? Or if you has ported heads could the runners be opened up even larger for even better gains matched with a HV3 and a HVTB.
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12-07-2009
would this give even better gains with ported heads? Or if you has ported heads could the runners be opened up even larger for even better gains matched with a HV3 and a HVTB.
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