In the rear, we employed the same size (225/75R-14), Coker Redlines mounted on wider 14x7 Magnum 500s. The 14x7 Magnum 500/ radial Redline combo increased track width by 1 inch over the original baseline. The stickier and wider Nitto rear meats (275/60R-15) on the 15x8 Welds were performing double-duty (strip and skidpad testing) and did so quite effectively. The Nitto/weld combo increased track width 3 inches from stock. The rear QA1's were also set at 10 clicks.