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Old 11-29-2022, 11:09 AM   #7
katy
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Join Date: Jun 2015
Location: Red Deer, Alberta
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Default Re: Cylinder head casting marks?

Quote:
Originally Posted by jb-ob View Post
Some of those after market heads have the heart shaped combustion chamber of a high compression head.

Don't know how to tell from the outside.
Do a compression test.
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