I bit the bullet and have ordered a TF front locker and a set of 5.38 gears. <img src="/forums/images/graemlins/zombie.gif" alt="" />
I remember someone on here offering tips for gear setup, still around??!

Do I need to buy a shim kit etc...

Here's a link to my thread on my diff gear upgrade. It might answer a few questions for you...

5.38 R&P Upgrade!!!

<img src="/forums/images/graemlins/patriot.gif" alt="" />

1997 Sportage 4x4, auto-trans, Warn manual hubs, 4" UPYOURKIA front lift, TJ 106AA rear springs, 2-5/8" body lift, 31x10.50 treads, SmittyBilt SRC front and XRC rear bumper, swing-out tire mount, OBX LSD front diff, Track Finder rear locker, 5.38 R&Ps and... really crappy gas mileage! <img src="/forums/images/graemlins/shiner.gif" alt="" />