Originally posted by ImprezaRS dot com
I was doing great at 5-6 psi, maybe 7 psi with my legacy turbo and 8-9 psi it felt strained and didn't gain much power going over 7-8 psi. Shiv says it maxes out at 230hp but we have some guys making 240-250hp on the dyno with them (est crank).
Before at 6psi I was already making 240(crank), now at 8psi and a lot of tunning, I'm well past that...I'd be willing to be about 260 at the crank maybe....maybe Definently more then 240. And this is on my VF22.