you used to have to retorque. most of the newer head gasket materials dont require it. i would check with the mfgr recommendations (of the gasket). of course it wouldnt hurt anything, and you might need some qt with dad!
on the heater, a bypass loop of come kind shouldnt hurt anything.
have you tried shutting the heater off?
tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]
..I also have a 427 Cobra replica with an aluminum chassis.
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