My old junk had a stock width axle, springs moved into frame rails, mini tubbed, 15x10 with 6" BS, 29.5x10.5W(pictured). When I bought it, it had 12x30 slicks. The front lower edge of the wheel well was trimmed, but not much. I agree with everyone else, 28" max if you don't cut it.

4440800-OldDuster.jpg (2304 downloads)