whats up guys my name is chris. i just picked up a 1998 chevy 1500. its extended cab Z71. the guy i got it from took damn good care of it. paint is great interior is amazing and runs great. i got it for 4000 bucks. i am not new to working on vehicals i an a mechanic myself and im not new to moding i have owned plenty of LT1, and LS1 camaros and trans am, but i have never messed with this 5.7 vortec and looking for any tricks or free mods that can be done. also i was told the plugs from the factory are double platnum and like 7 bucks apiece is that true.