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Old 04-29-2024, 09:18 AM   #18
Tim Ayers
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Join Date: May 2010
Location: NJ
Posts: 6,234
Default Re: (Best) copper head gasket and offenhauser aluminum heads

Quote:
Originally Posted by Lhead View Post
Approx what dia are you opening up to and are you doing all the small holes or just the rear
Thanks
You will need to place them on your heads to confirm the needed size. All aftermarket heads are different, so there isn't one set hole size.

Ronnie suggested using a small ball peen hammer and LIGHTLY tap the gasket around the corresponding hole in the head. This will give you a guide.
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