DD, I'm not disagreeing with you, Caster is very important in the alignment of any vehicle. both Caster and Camber will effect both pulling and tire wear. Camber will Cause pulling in one direction as well as, at times severe tire wear. Caster may do the same. Toe-in if out will make a vehicle wander. Making each tire try to center itself. On an IFS all are very easy to adjust unless something is bent. But on a Solid axle the Camber is another story. Many year ago I had to bend Axles to adj