FWIW, a long time alignment man told me that incorrect toe will ruin tires fairly quickly; much quicker than if the other adjustments are out.
You need to go to a place that has the proper equipment. Typically, it's is my understanding, they'll be able to tell through the course of adjustment if anything is worn out to the point of not holding to alignment specs.
You need to go to a place that has the proper equipment. Typically, it's is my understanding, they'll be able to tell through the course of adjustment if anything is worn out to the point of not holding to alignment specs.