1973 z28 350+.030 strange engine shake !

Discussion in 'Troubleshooting & Diagnosis' started by Lou6t4gto, Jan 24, 2018.

  1. bourbon_scotch

    bourbon_scotch Veteran Member Lifetime Gold Member

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    Jan 10, 2003
    USA
  2. cadillac_al

    cadillac_al Veteran Member

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    Apr 22, 2015
    Maine
    It doesn't sound like a balance problem since it smooths out at higher rpm's. It has to be the transition in the carb or the timing. Mother of all flat spots.
     

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