My truck is a 90, 5.7 tbi bone stock! I plan on doing the ultimate tbi mods while shaping to the new intake. Future plans are 2500to stall if needed, definitely gonna build the 700r, Regear to 3.73 or 3.42. I'm running 3.08 now. I have a set of long tubed I plan to run a h-pipe into magnaflows with 2.5 or 3 pipe into turn downs before the axle. Last but not least get a chip burnt. I may go vortec heads before the thou.