that grand prix was a 90. 3.1 with a t70 turbo 38mm wastegate, 30'12'3 front mount all 2.5 charge pipes. we ran 15psi and when it came to racing we took it up too 22psi.. but we could never get tractioni have a couple of vidos of it.. car sounded like a spaceshuddle going down the road with that huge turbo.. the fastest he got it to go was 145 racing my buddys supra..the grand prix was making around 300 350 whp, and around 400ftlbs of torque.it was a torque monster. we pulled the motor out and did a 3400 with a standalone but he got a cobra and lost interest in the car and sold it..