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05gofast · 02-07-2011, 08:28 PM

Depends on setup - cam, exhaust, heads, etc.

I have personally seen 3.25 pulley, cai & full exhaust get 8.5-9psi on hit & rise up to 11 by redline. 3.0 pulley on same set up peak at 13psi

02-07-2011, 08:28 PM	#7
05gofast Drives: Something Fast Join Date: Feb 2010 Location: NC Posts: 32	Depends on setup - cam, exhaust, heads, etc. I have personally seen 3.25 pulley, cai & full exhaust get 8.5-9psi on hit & rise up to 11 by redline. 3.0 pulley on same set up peak at 13psi