Related Photo Galleries
The foundation of the system are four special scale pads that sit on stands. These aren't ordinary scale pads because they must be able to accurately measure wheel weights much greater than the car sitting at ride height. The pull-down rig can add a lot of extra force in addition to the car's weight. The system is designed so that the tires can float on the scale pads so that the suspension is never bound up, which can throw off your findings.