Need some advice. Recently bought a 2007 JKU. It is completely stock with 3.21 gears. This isn't going to work. The plan is 2.5"-3.0" lift with 35" tires and the ability to tow a teardrop trailer with gear and 5 people. Looks like the two best options will be 4.10 or 4.56 gears. Anyone have...