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Re: is this car worth it? (archive)
[ Follow Ups ] [ E30 M3 Message Board ] [ Msg. Board FAQ ]
Posted by jefrem on August 30, 2001 at 07:51:59:

In Reply to: Re: is this car worth it? posted by rob on August 28, 2001 at 22:46:46:


BTW: is there such a thing about retorquing the head of our e30 m3's after an engine build up lets say after 200 miles? thanks again,rob

most motors recommend that the head bolts be re-torqued after the first real heat cycle (e.g. reaching operating temperature, and then cooling back down -- idling won't do this). that said, i don't recall anything to this effect in the factory manual for our cars. retorquing the head on our cars is non-trivial, as the entire cam tray (including cams, shims/buckets, etc.) needs to be removed to get to the head bolts.

i have not had a problem with the JS motor whose head i pulled coming loose -- i used raceware studs (whose instructions *did* generically say to retorque) and had no problems with head gasket leaks. a sample of 1 is hardly conclusive, however.

i *will* likely retorque the monster motor that i'm currently building....

regards,
-jefrem


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