When I bought my car it had 14" bullethole aluminum rims from a Ford Ranger. I've got 215/60/14's on the front with 1" drop coils. I'm about to put 1" drop leaf springs on the back. I'm assuming the back rims are the same width as the front(7" probably). What is the widest tire I can fit on this rim? I think I can get away with 235's but I'd like to try 245's. Let me know what you think. Thanks!