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Permatex hi temp spray a gasket
Permatex hi temp spray a gasket
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Old 02-05-18, 02:16 PM   #1
JimmyC14
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Default Permatex hi temp spray a gasket

Does anybody ever use this stuff? It says it's good for exhaust manifold but the max temp of this spray is 500 degrees. Exhaust manifold get hotter than that. Im trying to get a better seal on the header to block gasket and the turbo to downpipe gasket. It's such a small leak that when I start the car on a cold start I can see a couple drops of water come out of the flange. I'm using brand new gaskets too. Would this hold up to the temperature?
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Old 02-06-18, 09:23 AM   #2
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Default Re: Permatex hi temp spray a gasket

No. That stuff will not hold up to anything until after the downpipe. Never had any luck with it sealing.
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Old 02-14-18, 08:01 PM   #3
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Default Re: Permatex hi temp spray a gasket

ya its not for that kind of use.

ive used permatex bronze and its sticky as hell too. Not good for a header that has weight to it, but good for little things like re using a throttle body gasket etc.
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