Thread: Engine backfiring question
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Old 08-29-2007, 03:50 PM
Wayne Maybury's Avatar
Wayne Maybury Wayne Maybury is offline
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Cobra Make, Engine: Johnex 427 S/C, 351W, 472 HP, 444 lbs. torque
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Sounds to me like the header bolts may be loose or the gasket is broken allowing air to get sucked into the exhaust.

Wayne
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