hey i was wondering if anyone could help me out b/c instead of using the power that i have im just spinnin tire. my mods are, trick flow heads, trick flow intake , stage 1 cam, 24lb injectors, 255 pump, holley headers, mac cai, 70mm tb, mac exhaust with o/r x pipe, 3.73's in the back , and i got kuhmo 245/50 on 16x8 95 cobra r's right now. should i just go with bigger rubber in the back or suspension? and if i put something bigger in the back wont it rub up against the exhaust. any advice would b greatly appreciated , thanks.