i've got a 90 notch 5.0 all stock except for 373's and exhaust well im currently runing a paxton sn-89 that puts on out about 5-6 lbs max the only numbers i have are that before charger best was 14.4 with charger 13.3 spining both passes like a 2.1 60ft my question is im about to buy a vortech system its the V3si kit 8-10psi do you think its worth it to upgrade and do u think i will see a big diffrence between the 2