What\'s the best limited slip/posi? how much? I have an 86 longbed K1500 with 4" lift and 35" BFG AT's. It will probably never see offroad use serious enough to need a locker. Before winter I plan on having 4.56 gears and a limited slip put in while they're in there. What's the best limited slip or posi to go with? How much can I expect to pay for the gears/ rear limited slip including install? Is 4-wheel parts in Indianapolis an okay place to use or would I be better off looking for someone local? Thanks.