Quote:
Originally Posted by stownsen914
I've always understood the 935 style kits move the rearward A arm mount inward. And possibly upward as well. (Can't speak for the ERP kit specifically.) Moving suspension pickup points definitely moves roll center.
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It depends in what plane you are moving the mount points. The point of moving the rear pickup point up as is done in the 930 chassis is to increase anti-dive, not change the roll center. The angle of the plane formed by the three points of the A-arm (the joint on the strut and the two chassis mounting points) is what matters. Raising one end of the chassis mount points a very small amount (which is all the ERP kit does) is not going to raise the roll center much. Certainly not the extent that raising the spindles 19 to 30mm would accomplish.