Need to learn to use search function
Heres your link to get the alignment correct. DJ will be the GURU on alignment issues and concerns.
http://www.tundrasolutions.com/forum...es/#post511737
Tire wear is caused by either a camber or toe in problem, Caster will not affect wear.
Chopping on outside? not feathered across? any cuping?
wear on outside sounds like a camber problem. Need to get set like DJ suggests in his posts.