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Old 04-28-2024, 08:31 AM   #8
Tim Ayers
Senior Member
 
Join Date: May 2010
Location: NJ
Posts: 6,231
Default Re: (Best) copper head gasket and offenhauser aluminum heads

Ronnie built my motor and has advised me on many other flathead chores since. He and I spoke about the coolant holes issue with head gaskets. He does and has advised to use copper AND to open up those holes in the gasket to get the proper flow. Why gasket companies continue to make gaskets (both 59AB & 8BA-series) with these tiny holes is beyond me. Makes no sense.
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