Having recently purchased a 56 Packard with torsion bar supension I have a question for those who may know the answer. (I'm very impressed with the knowledge with most of the contributors to this and other forums within this group). For those who may not be familier with it, there is a single torsion bar for each side of the car that is connected to the front and rear wheels. When the vehicle is raised you can push up on the front wheel and the rear wheel goes down and vice versa. There is a second tosion bar at the rear wheels on each side to maintain ride height and control the see saw effect. A compensator motor controls the amount of twisting force that is in this second bar. By virtue of this ride height is maintained independant of the amount of weight carried when the vehicle is returned to level ride attitude via this compensator motor. According to the Packard manual the theory being that only have of the energy jounce of a bump to the front wheels goes into tha car and the rest is transmitted to the rear wheels with this system. I must say that even with very old bias ply tires this is the finest riding car I have ever driven. So the $64,000 question is howcome no other manufacturer(to my knowledge) has incorperated this system in thier product line? Are there any faults. Potential race car application advantage/ disadvantage? -------------Phil
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