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Old 06-24-2014, 10:43 AM   #193
JWL
Member Emeritus
 
Join Date: May 2010
Location: Fitzgerald, Georgia
Posts: 2,204
Default Re: Boring a flathead

The cam being slightly shifted on the X axis required adjustments to be made so all the same valve parts could be used for each bank. Ford engineers decided on differing valve angles to be designed so all the components within the valve group can be the same part #--length--height--etc.

Maybe I am just a "drop". But a rather large one.
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