Thread: Flathead project
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Old 08-26-2013, 10:04 PM   #73
pistonburner
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Join Date: Feb 2011
Location: West Union Ohio
Posts: 20
Default Re: Flathead project
check where the intake sits it is my understanding a 41 block is raised were the intake sits and a 39-40 is flat also a 41 I believe has core plugs in the oil pad rails
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