Ummm... what's the width of the 33 you are trying to fit? Changing the Rim size won't do anything for you. How much serious off-roading do you do? When I was 70/30 highway/offroad. I had 32's... when it was pretty much 50/50 I went 33's with a 2"BL and PML, and some trimming.....with a sawzall