Originally Posted by tabetha

Camber will NOT kill the inner edges, toe does this as it present a sharp edge of tyre to the road, camber extremes still leave the whole width of the tyre sitting evenly pressure wise across it's width.
I ran 3 1/2 degrees on my last sierra, absolutely normal tyre wear, and I did a lot of heavy towing which further pushed the rear down giving more camber.
The shims to which I refer can be got from Mike Rainbird off here, he has a website
r&bmotorsport.co.uk
They are very simple to intall come with instructions will take less than an hour, but here it is, basically they where the rear hub is held to the arm with it's four bolts these are loosened(not taken out) and the shim is put at the rearmost edge of the hub so that the upper and lower rearmost bolt pass through the cutout in the shim and sandwich it between the hub and backplate, this gives a slight tilt on the hub inwards at the front so taking off some toe.
tabetha