i asked this in the revo thread to. i figured i would get more answers making a seperate thread. i was wondering what you guys have tried in your revos? i dont want to have to take the diffs out multiple times. they are a pain to get out. i was thinking of using thicker fluids. i run on a tight track. pretty smooth. med traction. i have added a center diff and rear brake. thanks for any help you can give.