Location: Mount Aukum, CA - El Dorado County about 55 mins from the Rubicon Trail
I had a Kongo rack on my '06 LJ for about a week and sold it. I thought, cool extra room and easy loading, etc. But even with the 4.0L and 4.88s, that thing was a major wind drag and power sucker. I can't imagine the rack with the 3.8L.