Aluminum intake nipple thread sealant.

[Dick G.]

My 65 L79 aluminum intake is ready for me to add the nipples, heater and bypass. What type should I use here? I have Permatex thread sealant(teflon) in a small plastic bottle with applicator and also Permatex black silicone in a tube gasket sealant. The threads on this old intake are not 100%, but definately worthy of many good years of service. In the archives, I read where someone suggested using a silicone sealant on the bypass hose to prevent any leaks. Any opinions or experiences? Thanks! Dick Gutman

[Joe C.]

Re: Aluminum intake nipple thread sealant.

GM pipe thread sealant or similar. Permatex product just as good, but price is not a ripoff.

Joe

[Joe C.]

........With Teflon

Posting to this damn forum is a lot like having a car PV'd............no room for omissions or mistakes!!

[Dick G.]

Re: ........With Teflon

Thanks Joe, for the response. This Permatex with teflon thread sealant looks very similar to the stuff in a tube under many other different brands. White pipe thread sealant. Seals and further acts as an anti-seize. A plumber told me that is why they use this stuff only for the anti-seize aspect. Dick Gutman

[Jim T.]

Re: Aluminum intake nipple thread sealant.

Having aluminum headed engines and intakes on in the car motors in my garage I use Permatex anti-sieze on the spark plugs, pipe nipples, and on the knock sensors that go in the block.

[Paul L.]

Re: Aluminum intake nipple thread sealant.

Dick,
I use the teflon paste.

[Dick G.]

Re: Aluminum intake nipple thread sealant.

That tube looks like the many brands of Teflon thread sealant I have seen. Plumbers love it. I like to think the Permatex brand stuff in a tiny bottle is better: BUT? It costs more so it must be better? Thanks Dick Gutman