I feel really stupid, knowing that almost everyone on this forum has completed this task. I cannot for the life of me get my rear control arm bolts off, so i can put my new arms on. I soaked them in liquid wrench for about 2 hrs, and for the upper control arm to axle bolt, i cannot get a socket and ratchet on the nut, there is not enough clearance cause the axle housing is in the way. Do I need to buy an 18mm wrench? If anyone can tell me step by step how they did this install I would be much obliged. And i have also heard that gettin the old uca bushings out, and putting the new ones in is alot of fun too. I'm just extremely frustrated. Thanks 
Whatever you do, don't damage the metal cases around the old bushings -- you need them for the new ones.