Alignment is one of the critical maintenance factors in getting the most wear and performance from your tires. Also, wheel alignment provides safe, predictable vehicle control as well as a smooth and comfortable ride—free of pulling or vibration. Today's modern suspensions require a precise four-wheel alignment that can only achieve through a modern alignment system. This applies to both front and rear wheel drive vehicles. Alignment Basics: Aligning a car or truck involves the adjustment of the vehicle's suspension—not the tires and wheels. The direction and the angles that the tires point in after the alignment is complete are critically...

How It workAt a speed of 60 miles per hour the tire revolutions per mile would be an average of 550 revolutions per minute. As a result of centrifugal force, the 6 oz. out of balance, or what is commonly referred to as the "heavy spot", will multiply itself to 60 pounds. As the suspension of the vehicle only allows for vertical motion, the 60 pounds of centrifugal force will compress upwards and downwards on the suspension 550 times per minute, which can be reinterpreted as 1100 shock waves.Vibration is maximized when the resonating combined force of the rebound and...