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The most critical alignment angle is
total toe on the steering axle. Excessive positive or negative
toe will cause scuffing and shoulder wear on the tires. Total
toe is defined as the difference in distance measured across
the front of the tires and the distance measured across the
rear of the tires. Toe is measured in inches or millimeters.
Total toe may also be defined as an angular measurement and
displayed in degrees or degrees and minutes. Toe is positive,
also known as toe-in, when the front of the tires are closer
together than the rear of the tires. Toe is negative, also known
as toe-out, when the rear of the tires are closer together than
the front of the tires. Zero toe occurs when the wheels are
parallel. |
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