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  1. J

    Vt 3.8 missfire

    The motor and gbox were complete never been separated and I have checked all the vac lines they are all in the right place
  2. J

    Vt 3.8 missfire

    So I have just finished a motor swap put everything back together starts and idles fine. So I took it for a drive and it backfires out of the exhaust and shudders and struggles when giving it gas then when you stop it dies any ideas??
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