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  1. GN7 On the Dyno
    Can someone explain these ? I'm upgrading my mech fuel pump to a Clay Smith which requires a regulator (my old Holley did not). Do I need a regulator with a boost/vacuum port ? Why ? Can't I just set the F/P at 9lbs. and go ? Thanks !!! P.S. Blown BBF running +9 lbs. on 92 pump.
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