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Pampered-Z · 12-05-2012, 08:22 AM

Pretty rare, but check the header bolts aren't bottoming in out on the head. This was real common on 93s still happened but not as often with ealry 94s.

The bolts bottomed out in the heads just enough to cause issues, such as when the engine twist over time they can break off the bolts or blow out the paper type gaskets.

I've blown out a few sets of the felpro gaskets, there isn't alot of material on the ends. I do use copper coat and also retighten the bolts often. Have to go through the heat and tighten process 4-5 times to get them to seal well. It's a PITA having to keep taking the alternator off to get to one bolt!

12-05-2012, 08:22 AM	#19
Pampered-Z Sliderule / Moderator Join Date: Oct 2004 Location: Catawissa PA Posts: 2,294 iTrader: (1)	Pretty rare, but check the header bolts aren't bottoming in out on the head. This was real common on 93s still happened but not as often with ealry 94s. The bolts bottomed out in the heads just enough to cause issues, such as when the engine twist over time they can break off the bolts or blow out the paper type gaskets. I've blown out a few sets of the felpro gaskets, there isn't alot of material on the ends. I do use copper coat and also retighten the bolts often. Have to go through the heat and tighten process 4-5 times to get them to seal well. It's a PITA having to keep taking the alternator off to get to one bolt! __________________ 93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada 1) Build it 2) Race it 3) Break it 4) Repeat!!!