I have got a used 36 Olds head comming for my GMC this week. After I get it Magnafluxed, tanked and milled, should gasket sealer be used on the head gasket. I can get a NOS copper gasket or a composite gasket. Either one better than another? Finally, any idea on torque for the head bolts? Manual says to tighten, run to operating temp and retighten.
