hello all..I have a 91 mj sport 4x4 i would like to put 33'sx12.5 on with no rubbing or cutting. The axles are out of a 2003 grand cherokee laredo..so my questions are 1) how much lift would be needed. 2) will the front axle be a bolt in. 3) any suggestions would be greatly appreciated...hope this work I'm not a computer guy