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Your camber is off. Since the ball joints are new, check to make sure that the control arm bushings are good. try raising the front of the truck and trying to wobble the wheel in and out, by pushing on the top of the wheel and pulling on the bottom, then the other way around. it may require quite a bit of effort. If everything is tight, an alignment shop will need to adjust the camber to specs. I can provide the procedure and the specs for the camber if you would like.
Did you get the problem resolved?