I havent been on in awhile, i put 3.73 rearend gear and pinion with limited slip posi carrier in, and i purchased some cragar soft 8 rims...my 2 questions are what size caps fit in the 15x8 rims...and if i put 275/60/r15 on the rear, i no theyll clear but i was told i will have rubbing in the quick jolty turns, and was wondering what i could do to stop that ...that have a 4 inch backspace also...