many more factors than just inflation will affect tire wear. Toe-in on acceleration/deceleration and cruise. Camber, which is usually not perfectly zero and can change based on vehicle loading. A vehicle's inherent scrub radius can also affect wear. You can change scrub by changing caster, but caster is not considered a tire wearing angle.
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Originally Posted by GonOvr
I had a spare tire go up in flames once, my truck was hit with an rpg though.