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Slowleen · 09-12-2007, 09:18 AM

the 4v heads are nice, but a good quality port job on PI 2v heads like on 99+ mustangs and lightnings and they will do much much better then a 4v head.

The 4v's are awesome...but the new 3v's are a bit better, wish I could afford one

09-12-2007, 09:18 AM	#10
Slowleen Senior Member Join Date: Mar 2007 Location: Summerville, SC Posts: 440	the 4v heads are nice, but a good quality port job on PI 2v heads like on 99+ mustangs and lightnings and they will do much much better then a 4v head. The 4v's are awesome...but the new 3v's are a bit better, wish I could afford one __________________ Tim 1994 Mustang GT w/ 5spd 2011 Ford F150