Department Of Transportation Uniform TireQuality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Fuel System Cautions
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Rev counter
Rev. counter B-fig. 33 - 34 shows engine rpm. IMPORTANT The electronic system progressively blocks fuel flow to prevent engine from overrevving. This will lead to a progressive loss of engine po ...

Recommended Shift Speeds
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