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Old 06-18-2012, 11:53 AM   #2
Alan Roehrich
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Default Re: GM Performance 25534446 Vortec Large Port

Quote:
Originally Posted by clevo View Post
Which head porter has a lot of R&D with these castings?max effort porting but no welding is allowed,need to make 2.3hp per cube .single cast manifold, compression unlimited,flat tappet cam. 320cid
You probably need to get Ken to move this to the Comp and Modified section.

I'd call Slawko.
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