Originally Posted by waitwhat

The shock must be close to the same angle as the hinge pins for the shocks to work without binding up as they compress. In the front you have around 25° of kick up, so the front shocks have to be leaned back the same amount. In the rear, the arms are much closer to flat, but still tilted up a little because of anti-squat.

While changing the angle of the shock front to back would technically change the center of gravity, it would not change the handling of the car in a way that is useful as an adjustment.