I've got a 2005 4x4 Diesel Ram Quad Cab. Currently running 265/70R17 Load E. Whats the largest tire I can fit on there? Also, how much to recalibrate for a larger tire size? Is there a 33 or 35 E range tire? Lastly, will this void my warranty if I go to a larger tire? This is my work truck so I don't want to lift it, but these little street a/t's are hell off-road. Thanks all.