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engine rattle

  1. GOT A GOOD ENGINE PROBLEM, any help appreciated.

    Drivetrain & Performance
    Having a real tough time with my 71 Nova and need some help. Have a rattle coming from both back cylinders and wont run like it used to, smooth and fast. Now it acts off balance and rattles like its off timing or missing, but not. When I floor it the engine doesn't backfire through carb but just...
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