Good article. However, I will disagree with the comments made about the effect of toe in, or toe out. Certainly toe needs to be close to zero in all applications. But toe out is often used by autocrossers to make the car turn in slightly faster. This is at the expense of the straight line stability that slight toe in supplies. One thing not mentioned regarding caster, is that positive caster will cause the camber to go more negative as the wheel is turned further away from the straight ahead position, also beneficial for autocrossing.
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