ok i got a 89 iroc 350 tpi. its all stock. im wanting to know the best upgrades so i can beat up on my friends Lt1. his lt1 has headers full exhaust and its a 355. it pulls hard. i dont have an unlimited budget. i have a set or world product sportsman 2 heads laying in the closet. can i get them to work on the tpi? any cam suggestions. stall? gear? nitrous? i know i cant get any rpm outa the tpi but can i get enough to get the lt1? or maybe and ls1?