Looks like you had fun

Power Surge.. My 501X is 3 years old and never a problem with the slipper. I set it to factory spec then depending on the traction (clay/dirt) I may adjust it by 0.5 to 1mm. I can hear the slipper work under hard acceleration...
Question, why you run DF03 wheels?? The standard 501X/DB01 wheels setup performs better. The wheels are placed on the axles for optimum performance (industry standard)..