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  1. R

    Holley experts

    I have a 4779-2 which has a 2 corner idle circuit on it. It has a proform HP body on and my base plate gave up the ghost. I just got a new billet base plate and supposedly all billet base plates are 4 corner idle. So, what issues is a 4 corner idle base plate and a 2 corner idle carb going...
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