balcar
+1y
take off yer springs, tack yer axle to the frame where u want it, put the top part of yer notch in, allign up your 4-link and tack it in, brake the tacks from axle to frame, and cut out middle of the notch, move frame or axle through the travel to make sure your pinion angle and such looks good throghout the travel, finish welding everything and yer done.
Thats all you need in one sentence!