Thank you for taking the time to share your technical knowledge. Last weekend I took on performance springs and having those video gave me the confidence and drive to take on a task that I would normally leave to the pros. Those Takeda springs by the way work awesome and again I chose them based on the video. I'm 43 and have back problems so I was concerned about the venture, but the ride was so much better then I thought they would be and the car drives more stable through bumpy roads. Thank you so much!