To be safe I'd say 100 shot or 125 dry. Spray after MAF. Alot of guys on corral use similiar setup. Some have gotten away with 150 shot but if it's your daily drive then be conservative. You can get away with stock fuel pump with 100/125 just gotta make sure to give it enough fuel. Oh btw, T45's don't like spray. Too much torque. Good luck. -Mark