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Old 05-30-2021, 01:24 AM   #7
ursus
Senior Member
 
Join Date: May 2010
Location: Oregon
Posts: 1,381
Default Re: NO Oil Return Block History

After abandoning the block design that incorporated oil drainage holes in the floor of the valve chamber, Ford brought it back for the Model B block. I have wondered about the thought process behind this evolution.
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