Doing some changes to get the car to 60 ft. Regular Monroe shocks on the rear weren't getting the job done. I added some Calvert 9 way adjustables to control extension. It is hitting too fast and too violent causing it to bounce once at the starting line. Slowing extension should help. Neighbor Dave also fabbed some upper mounts to make the shock almost vertical. From the factory they are at a 45° angle. I will test both upper locations to see if there is any improvement in straight vertical. I will show more pictures later that document both shock locations. Here is the simple upper bracket: