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Old 03-31-2019, 07:39 PM   #3
Kube
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Join Date: May 2010
Location: Wisconsin, USA
Posts: 9,078
Default Re: Help identifying NOS Flathead

It appears to be '38 - '40 block with some "oddities" that are most likely military application.
These NOS engines have a definite "cool factor" but from my experience need to be torn down and gone through completely. I've used four NOS engines to date and every one required at minimum a complete disassembly, cleaning and honing of cylinders.
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