Ditto! Any gasket that's exposed to manifold vacuum or exhaust gas needs to be installed dry. A tiny vacuum leak will draw sealer into the engine, and probably create a permanent leak, and no gasket sealer I've used in the past 50 years is designed to seal exhaust heat.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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