Which is the best way for MLS EXHAUST MANIFOLD GASKETS HSV LS1 LS2 LS3 LS7 LS9 LSA S/C 5.7L 6.0 6.2 7.0 V8  to be fitted?
Posted by on 05 July 2018 12:35 AM
Basically, you need to make sure that the mating surfaces are cleaned before fitting the gaskets, which can be done with a non-abrasive Scotch-Brite pad. If sealing has been an issue, you can also spray the gaskets with copper coat, prior to installation. This aside, tighten the bolts to the following torque setting and sequence. 
First Pass: 15 N·m (11 lb ft)
Final Pass:  20 N·m (15 lb ft)
Order in which bolts are to be tightened: 6-3-1-2-4-5

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