Thread: head boltleak
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Old 10-05-2015, 08:16 AM   #10
John Stone
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Join Date: May 2010
Location: Wichita, Kansas
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Default Re: head boltleak

Have seen that on newly rebuilt engines. Believe the coolant is wicking thru the soft inner material of the head gasket. Suggest they add a half tube of Alumnaseal or Silver Seal and run it for a while. Block or head are not cracked. Must be the quality of the new head gaskets.
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