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raptor 660 problems

  1. Raptor 660 (726 bore) power loss

    Raptor 660 General
    Hi i am new to this forum and am lookin for help i have a 01 raptor 660 with a 726 big bore a raceing cam an edelbrock raceing arb and a bunch of other upgrades... Anyways the quad idles fine and for the most part rides fine howver when i really pin it it will bog and hesitate and then get some...