Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
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Next, the Texas Speed/Precision Race Components L92 heads (see Sidebar) are mounted over the dowels, and a set of optional ARP hex head bolts (PN 46-134-3610; retail $99.99) are lubricated and threaded in. These heads have a total of 15 head bolts with 10 larger bolts located in the center and bottom of the head and 5 bolts at the top. Head bolts 1-10 are torqued to 75 ft-lb in sequence from the center outwards, alternating sides. A second pass takes them to 85 ft-lb. The five head bolts on the surface closest to the intake valley are torqued to 23 ft-lb alternating side-to-side, working outwards. For extreme forced-induction or nitrous use, Texas Speed offers ARP's Pro-Series 12-point head studs (PN 46-234-4317, retail $247.99). View Related Article
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