[hat_man]

Thank you all for the the information. They did tell me that the caster could be adjusted by removing some pins, making the adjustments, and replacing the pins, but it was going to cost almost as much as another alignment. Funny that they call it a "front end alignment" when it's really nothing more than a "toe in reset".

As for the rear, the only way I can see these being off (according to the print out) would be if the axle wasn't square to the frame in at least two axes. Something like this would account for the thrust angle being off. I suppose I could use some string and a marker and measure the center to center on the wheel hubs on each side, but like 2000mc said, it's probably not enough to worry about. Not sure how I could measure the center to center in the vertical axis. Theoretically it should be the same because the truck sits on the tires and they sit on the road. As long as the tires have the same diameter and sidewall height all things should be equal.