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Are cometic head gaskets reusable?

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Old 08-15-2006, 03:26 PM
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Default Are cometic head gaskets reusable?

I've read about people reusing cometic head gaskets, but is this recommended? I'm thinking just cause it may work, that it may not be advisable. Thoughts?
Old 08-15-2006, 03:32 PM
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I have quite a few times. No problems. One of the advantages.
Old 08-15-2006, 09:34 PM
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Easily reusable with copper spray gasket or just bare if everything is still in perfect condition.
Old 08-15-2006, 09:40 PM
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Can you do the same with GM MLS gaskets???
Old 08-15-2006, 09:55 PM
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Negative, unless you've just bolted them down and forgot something and need to pull the heads immediately. Then, they may be reusable. Once they have been torqued for a while or run on for a bit they are not reusable.
Old 08-15-2006, 11:42 PM
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GM Gaskets, is a big no.
Old 08-16-2006, 01:16 AM
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So what's the diff? Aren't cometics and GM MLS both MLS type construction? Not trying to be argumentative, just wanting to learn.
Old 08-16-2006, 01:27 AM
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After a heat cycle I would not suggest re-using the GM stockers. I installed the Cometics dry both times I have used them. No leaks, no problems here....yet.



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