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Old 09-09-2023, 12:46 PM
78w72 78w72 is offline
Ultimate Warrior
 
Join Date: Nov 2007
Location: iowa
Posts: 5,598
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Quote:
Originally Posted by Jay S View Post
Butler’s composite gaskets crush to around .042”. to .044” thick.

Blue felpro crush to about .045”, most cheaper head gaskets crush to .045” also.
Aren't the felpro head gaskets .039? not much of a difference, but thats what the specs show for the cheaper blue & the better permatorq ones with the metal ring.

https://www.summitracing.com/parts/f...6/make/pontiac