My 455 running rich...

Discussion in 'Street/strip 400/430/455' started by deenice, Jun 3, 2020.

  1. deenice

    deenice buick lesabre 1975

    Should I get msd?
     
  2. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    No, you should find out why it is running rich.
     
    johnriv67, Schurkey, 1973gs and 3 others like this.
  3. Schurkey

    Schurkey Silver Level contributor

    HOW do you know it's running rich?

    If you're judging by smell, any misfire (including LEAN misfire) will make the exhaust "smell rich".
     

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