For an Auto Disconnect, simply add a new seal to the diff side of the long axle tube. Don't need to worry about hooking up any lines or anything. To make it easy, put your existing diff cover on the one you get delivered. For more info on the seal, someone here can point you to it. (write-up)

PS, what shipping quotes did you get.

You are gonna love the 4.88's (with your 33" tires!) <img src="/forums/images/graemlins/kewl.gif" alt="" />

85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!