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vacuum switch

  1. Drivetrain & Performance
    I am trying to figure out vacuum layout for my 1979 Nova. It has a 305 v8 with a 4bbl carb . I have uploaded the only diagram that I have been able to find that has any reference to a 1979 Nova 305 with 4bbl carb. (pulled from Autozone's website) According to the diagram there should be two...