I was running 14 psi on mine and definately felt a difference over 12.
But, I know it wont be making power much past where Im at.

Dyno's would be good.

Even if the power stayed the same and torque increased would be fine with me.

I just dont want to buy a bigger turbo unless I need to.


Thanks.

 

no dynos but it definitely makes a diff from 14psi to 20 psi...i want to run it at 18 psi or so but it never holds anymore proll because the turbo is ready to grenade(it's held at 20 in the past) but when it drops to 15 from 18 i can feel a big difference in power...the track times definitely improves from running 15psi to 20 psi...about a diff or 90-91mph in the 1/8th to 93-94mph...this is an ls motor with that turbo...

 

Very sweet info you just gave me.
Since im using this turbo on a sohc its sized up a little better than your bigger LS.
But God damn, that must some torque monster you got there.

Anyway. I will run 18-20 psi on it. And hope that it holds.

Thanks a lot for your info.