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the gains of the Dri-Bar come from several directions.First we must realize that with the traditional set up the R.R. torsion bar is required to do 2 separate jobs.the first 1 is controlling the compression of the race car vertically.The second is controlling the horizontal roll of the race car.with the traditional set-up the sping rate is significantly stiffer in the compression direction than it needs to be,which reduces the forward bite. By allowing the Dri-Bar to control the roll of the race car,we can soften the RR torsion bar improving the forward bit. at the same time this increases the reverse split of the rear spring rate. which in turns improves the LR drive as well.the other gain is that unlike LR rebound to control weight transfer,with the Dri-Bar.when the weight has been transferred,the stored energy created by winding up the Dri-Bar puts the car back onto the left rear to drive off harder.the final gain is the ability to adjust the spring rate of the system from the cockpit.By balancing the car with the adjustment handle in the center selection, the driver can pull the handle back to stiffen the rate with a full fuel load or a rough race track,and move the handle forward and this will soften the rate.as the fuel burns off or the grip of the track is reduced. I hope this information can help you. if you need you can contact the Dri-Bar guys at (317)486-9710
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