so right now i have a 96 GT with pi intake and cams. long tubes w/ x pipe and flowmasters. 4:10's and bilstein shocks with ford racing springs. i have a direct port nitrous kit waiting to go on. it is an automatic, so i definatly want a shift kit. whats better a vavle body or shift kit. and what do i need to do as far as fuel requirements for nitrous. so what should i do next??