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Old 06-15-2023, 09:49 AM   #32
flathead4rd
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Join Date: May 2010
Location: Michigan
Posts: 583
Default Re: Motor City Flathead question

Mark built mine also many years ago. It also has a Potvin cam. My cam was stamped 415 but I could never find any details about it such as lift, duration etc. Any help would be appreciated.
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