I Had Some Questions On Procharging My Gta, Its A Stock 350 Tpi Auto With 373 Gears And A Shift Kit And Tranny Cooler In The 700r4, I Was Looking At Prochargers Stage 1 Systems And They Said You Can Get Up To An 80% Hp Gain On A Stock 350tpi,,, They Have A Bunch Of Choices For Psi Boost And I Guess My Question Is What You Think The Best Option Is My Goal Is To Get A Great Runner But Tame Enough To Still Cruise On The Street With

The Psi Options Are
8 - 20 Psi

What Do You Guys Think The Best One Is For What I Want To Do?

 

I'd stick with 8 - 9 psi on a stock engine.

 

i was thinking about doing an engine rebuild first

anyways its got about 275hp right now, anyone know how much power it it would have with 9lbs of boost?