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03-22-2002, 03:59 PM

i would like to know if any body out there has ever had a set of 1998 factory heads ported/polished ? And if so what kind of gains did you get from them ?

03-22-2002, 03:59 PM	#1
southernstang97 Guest Posts: n/a	98 stock ported heads i would like to know if any body out there has ever had a set of 1998 factory heads ported/polished ? And if so what kind of gains did you get from them ?