Currentlly have black 2006 GT legit 424 rwhp-487 flywheel horse at 6000 rpm, 440 lbs torque at 5350, (Dynapack Dyno, hooks up to axle.) fanblades maxed out at 255/40/18 all around. Want to go to black and chrome deep dish bullets, 18x9 front, 18x10 back, Will keep 255 kdw IIs on front...