Just dump an LS into it...
{runs and hides}
Seriously, though, have you tried the Jeep forums? They might be a better help than us.
http://www.jeepforum.com/I used to post on there when I had a WJ V8.
Edit: For kicks I tried looking up my transfer case thread but couldn't find it. Instead I found this thread that has my transfer case pics in it:
http://www.jeepforum.com/forum/f310/so-my-babysitter-blew-up-my-wj-1176379/Quite amusing...
