Not 8", but I run 17x9" rims on all 4 corners. 5" backspace, 275/40/17 Toyo Proxes 4's all around. What diameter wheel are you looking for?
You should check out the wheel and tire combo thread, should be some more info there. I know there's at least a few people running at least 8" rims on the front, which is really the bigger issue. 8" rims on the back are no problem...