- Jul 10, 2007
- 12,041
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once where the tire touches the ground (following through to the ground itself). that one i understand, to see if the car has moved.
but the second mark is 180 degrees, directly opposite the first mark, on the SAME tire.
what's the reasoning for that one?
but the second mark is 180 degrees, directly opposite the first mark, on the SAME tire.
what's the reasoning for that one?