454 Big Block Engine
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We added a dab of assembly lube to each end of the pushrods to prevent the rockers and pushrods from getting a dry startup. Tickling the valves, we used a set of Comp Cams 31/48-inch pushrods, 8.680 inch intake/9.740 inch exhaust. After a quick solvent rinse, we held them up to the light, looking through them to make sure there wasn't any debris inside. This is crucial because the pushrods serve as part of the oiling system, feeding oil to the rockers; should the pushrods become obstructed, the rocker could seize up under friction. View Related Article
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