I am lookin for a single wheels 11.5 got an 04 dodge 3500 drw that I want to make into a single wheel.Was gonna see if anyone doing sled pulling would be interested in it for a single wheel.I have changed the rear end fluid at 78g's but the guy called me said .. did you just put some in I said no and he is like your trani,transfer case and axles dont need changin but i told him change the fluid anyways.I dont tow nothing with it just drive the p&%% out of it thats about it.Has no leaks or anything.Just hwy and on post driving thats about it.Send me a message if interested.