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Old 08-29-2021, 04:14 PM   #1
ss3011
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Default Re: Head gasket sealant

Are they new shim gaskets or reused gaskets with copper coat ?
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Old 08-29-2021, 06:14 PM   #2
Ed McLawhorn Jr.
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Default Re: Head gasket sealant

Quote:
Originally Posted by ss3011 View Post
Are they new shim gaskets or reused gaskets with copper coat ?
They were new shims in the sense they never been used. They were old though...had been on the shelf for years. Wondering if they are not collapsing and sealing the raised edge on gasket?

I remember dad using aluminum paint sometimes too when he didn't have copper coat. Seemed to work pretty well too.
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Old 08-29-2021, 11:05 PM   #3
Jeff Stout
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Default Re: Head gasket sealant

Copper coat has worked well for me. 12 to 1 and 175 HP nitrous. No problems
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Old 08-30-2021, 11:56 AM   #4
Mike Pearson
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Default Re: Head gasket sealant

Sounds like you need to check the deck and head surfaces to make sure they are flat. Typically copper coat and shim gaskets is a good combo if everything is smooth and flat.
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Old 08-30-2021, 12:12 PM   #5
Blackgar
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Default Re: Head gasket sealant

VHT copper spray is better than all of the others
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Old 08-30-2021, 12:58 PM   #6
Ralph A Powell
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Default Re: Head gasket sealant

Coppercoat best all time!
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