Wed Nov 30, 2011 9:32 am
Either 'Indian Head' varnish (Gasket cement) - this was 'original' OR 'RTV Cement'. If you use the RTV, coat both sides of the gasket completely (a nice smooth coat - without any 'gobs') - let it air dry for 20 to 30 minutes and then install it. Letting the RTV air dry on the gasket for 20 to 30 minutes will keep the RTV coating from just squeezing out as you tighten the bolts. Personally, I would use the regular old varnish type gasket cement - it seems to last 20 to 30 years without leaking. - NJDale
Wed Nov 30, 2011 1:03 pm
Is this Permatex Indian Head varnish similar to Form-a-Gasket or Permatex Super-High-Tack?
For Indian Head Varnish, the website says the suggested applications are: Hose connections, paper and cardboard gaskets
- Not for cork?
The Permatex Super-High-Tack has these suggested applications: Seals rubber, cork, paper and composite gaskets and hose connections
Wed Nov 30, 2011 1:23 pm
I have used it on cork with no problems, works great. Even metal to metal contact, like for seals or the oil filler neck.
In the "review" I did up a while back it's says for use on all common gasket materials.viewtopic.php?f=51&t=35873
Fri Dec 02, 2011 8:08 am
Permatex Part Number 20539 - Google it. It is of the same age as when the engine was designed - NJDale
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