Currenty, my Monty much is pretty much stock except for the engine.
I have a Vortec 350 with the Edlebrock Performer RPM package; 460hp-500hp
Engine:
1994 Vortec Block (10:5:1 comp. ratio)
Edlebrock E-Tec 200 Heads
Performer RPM Roller Cam
Performer RPM Air-Gap Intake
Transmission:
Turbo 700r4 w/ stage 2 shift kit
Rear End:
Stock 3.73 posi GM 7.5 bolt