I had no roll at all, and the car was traction rolling at every turn: my springs never compressed at all, and all the energy went t o the side of the tire. I am hoping to cause the spring to compress and absorb some of the lateral energy by lowering the roll center... All the other manufacturers (xray etc..) have their top links flat, and to achieve that in a tc4 I needed to put 6+ shims under the inner ballstud. I have yet to test my new setup, but I think it's a step in the right direction. I tried the other way around, and it did not work at all....no corner speed at all...