Known overheat issues 4.7 RAM V8? EDIT FIXED

The only thing I've ever been aware of regarding those engines was the oil pickup tube being too small and causing the oil to coke up and sludge up the tube stopping it up. I'm sure over heating won't help that. That's all I got. Your advice about confirming it with the infra red gun is spot on. Usually over heating going down the road is a water flow issue, since it has all the air flow it will get. Have they removed the plow to see if that makes it stop?