I've been running 36 in the 285/70r17 BFG KM2 since the new wheels were put on a couple of weeks ago. I think that's too much. I just dropped them to 33 and will see how that goes.
Current: 1982 CJ-8 Scrambler SR -Same one I sold in 1996 2013 JKUR softtop - Traded 10/2015
Gone and fondly remembered: '03 Rubicon - Sold 10/31/12 '82 Scrambler purchased new in 1982 - sold in '96