So I have a 99 K1500 Suburban with the 5.7, 4L60E, and 3.73 gears (no G80). I've put some 32x11.5R15 tires on it, cranked up the torsion bars just a touch to clear the tires (the still rub on occasion on the front valance) and added an add-a-leaf to the back. Also replaced all 4 shocks and...