Most racers think of the panhard bar simply as a lateral locating device.
This article refers to panhard bars mounted to the rear suspension. You can apply this information to panhard bars mounted to a front axle, however, the handling effects will be opposite to those described in this article. Please allow page to completly load before following links. The roll center is an imaginary point around which the rear of the race car rolls. When you lower the panhard bar the rear roll center drops.