LS3-Based 418ci Engine Build - Big Power, Small Budget
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A new cam gear (GM PN 12576407, 24X reluctor wheel specific) and a GM LS2 timing chain (GM PN 12586482) are utilized. The camshaft is rotated so that the dowel pin lines up with the camshaft gear; the timing chain is then slipped over the gear, and the chain and camshaft gear are rotated so that the timing mark on the bottom of the cam gear lines up with the dot on the crank gear. Loctite is applied to the new ARP cam gear bolts, and the camshaft gear is torqued to 30 ft-lb. The GM timing chain is a single chain design and an excellent upgrade for LS1 (Gen III) engine builds, as it was previously sold under a C5R part number. Check back next time as Part II completes the build and the 418 is unleashed on the dyno. View Related Article
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