5.7 Vortec 1998 Chevy 5.7 Head Bolt Torque Specs
Heads are assembled with NEW 202 Stainless Steel ONE piece Intake valves. You torque 46 ft lbs long bolts 43 ft lbs for short boltsthen you make second pass on all bolts tighten them additional 90 degrees using a torque angle meter. How To Correctly Torque Head Bolts Youtube Discussion Starter 1 Sep 18 2009. . I know I used it it with a new set of GM head bolts when I did mine. It states tighten all 11mm bolts to 22ftlb then all 11mm bolt additional 90 degrees then bolts 1-8 an additional 90 degrees and bolts 9 10 an additional 50 degrees and all 8mm bolts to 22ftlb. 106 INCH POUNDS 3 rd. Have to go with the inch torque first as the foot pounds 38 wrench cant torque under 10lbs. 57 cylinder head installation I thought Merc published an alternative 3-step torque spec vs the prefered angle method for vortec heads. Went 30 then 50 then 70 ftlbs. It had a displacement -- the amount of air and fuel exited from ...

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