472 Ray Barton Hemi overheating

I've been helping a buddy with his Hemi it is running about 210 degrees he has duel fans with a becool radiator seems run cooler without the thermostat in it. Ray Barton said it shouldn't get over 200. I checked the timing and it is right. Could he have an air fuel problem. He has duel carbs on it. I told him to pull radiator and have it checked out. Any ideas.