Thread: flathead I.D.
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Old 05-04-2013, 07:54 AM   #4
russcc
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Join Date: May 2010
Posts: 2,871
Default Re: flathead I.D.

59L, is usually either a truck or bus engine. Some are 3 & 1/16, and some are 3 & 3/16 bore. Mine is a factory relieved, 3 & 3/16ths, with Stellite exhaust vales seats. The Flathead King up there in Maine, (Walt Dupont) has a real good handle on them. You will likely see his response here.
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