I understand that side of it, but I don't imagine that's the type of mudding he's talking about in a nearly stock TJ. I'm picturing like muddy trail riding and "reasonable" mud holes. But yea, the 4.0 isn't going to be launching mud into the sky!
I used to live and work in Moses Lake, WA and the dunes have an area known as the mud flats that are only open seasonally. Every year they have a big drag race event and bounty hole. Some of the built rigs that come from our of the area are wild. There was a local guy that had a Dodge on probably 60"+ ag tires and the door was about 7 feet in the air. Monster/mega truck style ladder frame and all. It was fun to go watch. And fun to watch the guys that thought they were hot stuff bury their truck's and SxS. Especially when it was obviously daddy's