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  1. W5dart66

    valve seat VS dyno output

    I would like to know if any one has done any dyno testing W/differant seat angles.I have done testing on the flow bench(SF600)W/30* 45*50*and 55*seat angles.I have found the 30*to pick up low lift as would be expected and 50~55 to hurt low lift up to about .500 lift on the intake and not hurt...

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