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05-29-2009
There is nothing wrong with using RTV on head studs. I previously raced mustangs before I started playing with these cars. EVERYBODY used RTV on their head studs. It was the norm. Doesnt really matter what color. If your engine gets hot enough to affect any of the RTVs your screwed anywayStandard RTV is good up to 500 deg.
06-11-2009
This:
is what GM calls for during a rebuild.
Kinda pricey, so that's where my suggestion comes into play for a good solid alternative.
Use what you want to, I merely did the step by step write up cause many were using the molly lube on both ends of the bolts and wondering why they were leaking.
Also, some were using Teflon paste, that was only rated up to 100 some degrees, for your common house hold plumbing repairs. Your engine operates a little hotter than that...so once it reaches that temp. the Paste turns soft again, and allows leak by. Then you have coolant leaking out side the engine, as well as in.
Just saving people headaches, Heads are one job I prefer to do right the first time was my whole reasoning behind it.
~F~
06-09-2011
BUMP
totally stuck tryng to decide to use teflon paste or teflon tape
ZZP says tape
Farns or Gr8racing says no tape, teflon paste, permatex high temp thread sealant.
well.. can we have a vote here?
I used GM Teflon Pipe/Thread sealant with PTE last time and loaded it on the threads.. but i suspect they were leaking so i am removing all head studs and want to do them over again.
i think i am going to use tape this time.
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