A highly important factor in ensuring the longevity of your tires is maintaining proper wheel alignment. A car with proper wheel alignment will give a smooth and comfortable ride that will be vibration-free and void of any drifting that can occur, when wheel alignment is incorrect.
When a car is being aligned, it is actually the suspension that is being tuned and not the wheels and tires. However, it is important how your car's wheels and tires are directed and angled in the end. There are four main parts to a proper wheel alignment: the caster, the camber, the toe, and the ride height:
Caster - Caster angle or is the angular displacement from the vertical axis of the suspension of a steered wheel in a car, bicycle or other vehicle, measured in the longitudinal direction. It is the angle between the pivot line (in a car - an imaginary ...[more]