I've got a Bolens h16xt, a small 16hp 2wd garden tractor. It's time for new tires. I use this packing materials around the property. Atv tires have a much wider range of tread options but not in the stock size of 23x10.50-12. A popular size used around here seems to be 25x10x12. Looks like they'll clear height wise. If I go with the 10" width, will the top of the tire flatten out a bit for a flatter footprint? Conversely, if I find something in 11" width will the tires bulge at the top? I'm completely new to tractor tires! I've got clay soil that is really slimy 9 months out of the year and I'd like some more aggressive tires than turfs. I'm keeping the stock 7" rims.