ok guys i just picked up a g s r motor b18 c1 i believe and a turbo kit which consists of t3 garret air research turbo. tial 38 waste have. h k s blow off valve. g s r is stock cept for 450 inject. any suggestions on how much boost i should run and any guesses on what hp i might be making. also any suggestions on any upgrades that should be done now. thanks guys. btw i got motor for 450 bad bearing nothing else wrong. everything there from alt. belts to wiring harness. thanks again. sorry one more thing what stage clutch should i run.

 

Talk to your local dyno tuner :-)
If you have the motor apart, I would suggest upgrading the pistons/rods.