i have the mudzillas and they turn just fine in any hole i have been in except when your in the really thick thick mud...i am about to order the clutch kit monday they r supposed to turn in the thick mud so i will find out for ya soon as i get mine ordered...if i were you i would get the outlaws or zillas havent heared to much about the performance of swamp lights. I have heared that the clutch kit turns them really well....(outlaws, mudzillas)