1982 Corvette Diagram
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When installing the new balance screw, the throttle lever and cam will need to be supported in this manner for the screw to make contact. The cam is spring-loaded. An Allen wrench or screwdriver will work well. When adjusting the venturi vacuum signal using this screw, the cam will respond in the reverse manner of the screw. To close the throttle plate, you’ll turn the screw in instead of out. View Related Article
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