ill be up there this sunday. they are having a competition this weekend(park is open to ride during the comp as well) its a great LEGAL place to go ride up in that area. the weekend after this one on saturday they are having the jeep blessing in Mesik, then are going to Twisted Trails after and on sunday all day for riding. ill be up there that weekend as well.
I've not been there yet but a friend has been several times. I asked him the same question. He said everything from stock trucks to buggies have a place there....He's got a YJ jeep with a 350, stock welded axles and 33's.