C9x is thinkin' what I'm thinkin' about the right rear unloading. A front motor, rear drive car will get light on the left front and right rear, the right front and left rear get heavy. What I've done before and have seen other racers do with a one-legger rear is to use an air shock on the right rear only and adjust the pressure until both rears lay down the same stripe. The car will be easier to drive with a wedged one-legger than it will with a posi.