Here is my Explorer on 31x10.50r15, 2" suspension lift, shackles, add a leaf, and Monroe air shocks in the back, I need new tires, (BFG ko2s) and am looking at 31x10.50, 32x11.5, or 33x10.5, I have read the whole post here (including the chart at the beginning) and it states "32x11.50x15 on 15x8...