Modified JK Tech Dept.
I've got a 2008 4-door JK Unlimited. I've got the 3.73 gear ratio....(possibly 4.1 but don't think so). Automatic. I pull a 5 X 8 trailer full of DJ equipment 6-7 nights a week. It puts quite a bit of weight on my Jeep as I can see it sink down everytime I hook it up. Now I'm looking to put a...