Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Holley discharge nozzles
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Old 08-22-2008, 10:50 AM
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At rest (idle) there should be no lash between the screw and the pump arm. At WOT you need to be able to move the arm an additional .015 to be sure you dont bend anything. There are several sites that have this procedure documented and have pictures.

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