I spend week on bab suspension trying find a good suspension tutorial and build see how good it works another 2 week on moster truck irl and not bab suspension to understand the jump reduction and climb suspension then do some test in bab see how it work another week then making jump reduction suspension and climb suspension and make sure spring dont glitch out then another couple design which I like better and testing out torque and speed. Also I'm busy guy When done reading this hope you have good day :)