Quote Originally Posted by RichardP View Post
If you do add a torque arm, the fundamental change in rear roll center height will require suspension tuning to regain balance. Details would need to be worked by track testing but a doubling of the current rear spring rate would be a reasonable first cut.
Richard,
I'm confused, as the roll center height is only a function of the height of the watt link/panhard bar at the centerline of the rear axle/driveshaft. I see the instant center location changing, as well as the percentage of ant-squat...