Spray Copper
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From: Fort Rucker, AL
Spray Copper
Can you use the spray copper sealant on header gaskets? I had some Nitro-seals on and had to take the headers off to drop the tranny but I noticed that they were leaking a little. I wouldn't want to use tubed RTV but what about the spray stuff? Also, are the Nitro-seals reuseable?
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From: iowa
I wouldn't know why not. I used copper spray a gasket on SCE copper head gaskets for a different motor but I Haven't ran it yet. I have new copper header gaskets that I plan to spray as well and i will report how that works out.
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Joined: Jul 2002
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From: Long Island USA
I took 330HD gaskets, modified to fit the headers (opened the hole larger) and used Red Hi-Temp RTV (Permatex) on both sides.
They held for over 16 years until I took them off last year to scrap the truck. The headers (alumicoat) were becoming swiss-cheese, but the RTV and gaskets held.
Where the exhaust met the RTV, it was still perfectly intact, it didn't burn or anything.
Wow, just realized I didn't answer ANY of your questions ...
art k.
They held for over 16 years until I took them off last year to scrap the truck. The headers (alumicoat) were becoming swiss-cheese, but the RTV and gaskets held.
Where the exhaust met the RTV, it was still perfectly intact, it didn't burn or anything.
Wow, just realized I didn't answer ANY of your questions ...
art k.
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From: Fort Rucker, AL
Originally Posted by rusty70f100
I have re-used Nitroseal header gaskets a few times, but after about 3 installations they tend to need replacement. If they're leaking, they need to be replaced.
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