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Old 10-24-2021, 11:56 PM   #8
Tinker
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Join Date: May 2010
Location: MN
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Default Re: So Which Flathead Do I Have?

I agree they mean something. Like parts numbers. Henry was too cheap to include them for the fun of it. They are part of the cast, not stamped in later. Probably like the 59a casting. Nothing to tell you what block you have from what I know.


Well if you put a blower on the lower compression heads might be okay. or mill them.

Last edited by Tinker; 10-25-2021 at 12:12 AM.
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