533 Cubic-Inch Big Block Ford - Bodacious Big-Block Part 1
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We held off ordering the pushrods until we had used the Comp Cams Hi-Tech length-checking pushrod (PN 7703-1) to measure for proper rocker positioning on the valve. At mid-lift on the cam, the rocker's tip should be centered on the valve stem for maximum valve guide life. Once we discerned what length we needed by counting the number of turns we extended the length checker, we ordered the hardened, 3/8-inch-diameter, Comp Cams Hi-Tech pushrods at 8.45 inches (PN 7992-16). Your particular engine may require a different length, but no-worry, 'cause Comp Cams has whatever you need. View Related Article
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