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exhaust manifold problems   Message List  
Reply | Forward Message #26223 of 28005 |
Saw several references to leaky exhaust manifolds in the last digest. Haven't you guys ever heard of Permatex Copper?

1. Remove manifold and clean surfaces.
2. Coat one surface with Permatex Copper.
3. Install manifold and torque bolts.
4. Allow drying time.
5. Forget about it.

I used this stuff on my 429 ten years ago and it's still holding strong.



Fri Jul 10, 2009 1:40 pm

donutbandito
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Message #26223 of 28005 |
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Saw several references to leaky exhaust manifolds in the last digest. Haven't you guys ever heard of Permatex Copper? 1. Remove manifold and clean surfaces. 2....
Len
donutbandito
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Jul 10, 2009
1:40 pm

We are thinking the same thoughts, re JM's 300.no way would I be ripping into the manifolds every few weeks. However the 300 is a weird animal.the two stock...
John Weddington
jdwedd
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Jul 10, 2009
4:20 pm

I ran the old Clifford 6-into-2 headers on my 240 for years, and never had a problem with the gaskets leaking. At least two companies - Rocket and Mr. Gasket -...
polecat1010
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Jul 11, 2009
2:00 am

Len, I've heard of it but never tried it. Are you saying to eliminate the gasket completely? A friend tried that once on a 352, and installed the manifolds...
polecat1010
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Jul 11, 2009
1:46 am

I went back to no gaskets on my GM truck with 454. I had a problem with it blowing out the rear passenger side. It's a bit noisier when cold, but once it...
Eric Claussen
etclaussen1
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Jul 11, 2009
3:50 pm
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