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poor transition from idle

  1. SBC 406 & Holley 670 rich idle & poor transition issues?

    Hoping some Team Camaro member might have some suggestions for me. My SBC 406 has a Holley 83670 - 670 cfm Street Avenger aluminum 4-bbl carburetor with vacuum secondaries and electric choke which I purchased and installed a little over one year ago. Starts fine but idle mixture adjustment and...