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backfire with flames

  1. Backfire through tailpipe and now carb

    C4 Tech & Performance
    This car was not started for four months due to an accident. Started two days ago idled ok but had irregular backfire with flame through tailpipe. Added more gas, HEET (enough for full tank which is what guage is showing) and Lucas gas treatment. Now on starting the engine backfires through the...
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