While at Moab I sheared the bolts holding on my locking hubs, so I had no front drivetrain. Rather than get it fixed for the last day of trails, me and another guy took the scenic tour through Arches. We could resist and took off down a mild 4x4 trail. He had a hard time keeping up with my lifted and locked "4x2" in his stock height, open diff 4x4. Driver skill does affect how much you can do, but mods will always help.