whats the biggest size tires i can put on a 2000 gmc jimmy sls 2dr 4wd?... i wanted to put ( General Tire 05684040000 - General Grabber AT2 Tires - Overview - SummitRacing.com ) General Grabber AT2 Tires 31 x 10.50-15 with black cragar soft 8 wheels ( Cragar 3975834 - Cragar Black Soft 8 Wheels - Overview - SummitRacing.com ) 15 in. x 8 in., 5 x 4.75 in. Bolt Circle, 4 in. Backspace,..... would this fit without a body lift or anything done to it?... or could i put possibly 32's on it with a 2 inch body lift?