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Old 06-21-2012, 07:23 AM   #1
clevo
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Default Re: GM Performance 25534446 Vortec Large Port

Quote:
Originally Posted by Glenn Briglio View Post
We do the heads for James Antonette's SS/CS engines with those heads.Not going to be easy to make that power with flat tappet cam. He has been 9.20's with the car in that class.
Is there a better cast iron 23deg head out there ?
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