misfire

  1. adrianMCmoreno

    Help bad idle

    Ok so I have a 1980 monte with a 350 tbi swap. Carburated. Rebuilt top end and has been running for about 2 months and all of a sudden it has developed a really bad mis. I've changed plugs, wires, swapped to a different dizzy and have checked for vacuum leaks with carb fluid and nothing.:oops...

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