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j0n · 08-07-2006, 09:14 PM

with a 58mm tb you're going to have to open up the intake manifold...stock intake openings are only 52mm, and from what ive read theres no need to upgrade the tb till ~400-450 horsepower

08-07-2006, 09:14 PM	#2
j0n Join Date: Aug 2004 Location: Somerset County Posts: 5,559 iTrader: (5)	with a 58mm tb you're going to have to open up the intake manifold...stock intake openings are only 52mm, and from what ive read theres no need to upgrade the tb till ~400-450 horsepower __________________ 1999 Corvette FRC