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  1. E

    1993 Cobra W/F303 cam

    I just replaced the stock cam with a f303 cam and got the timing set to 10degrees BTDC and when I first mash on the gas it backfires thru the intake. What could be the problem? :bang:
  2. E

    1993 Cobra W/F303 Cam

    I just replaced the stock cam with a f303 cam and got the timing set to 10degrees BTDC and when I first mash on the gas it backfires thru the intake. What could be the problem? :bang:
  3. E

    1993 Cobra w/ F303 cam

    I just changed out my cam to an F303 cam and I set the timing and got it fired up and it now backfires thru the intake when I first mash on the gas. WHat is the problem? :bang: