I got into a argument with my brother. He says I have a problem because my car got up to 220 degrees. I drove it in a parade for 45 minutes and it was 90 degrees out. My car is a 12.5 to 1 C.R. cross rammed HEMI Dart. I think the car did good for the set-up I'm running. Hell, new cars run about that temp don't they? As soon as I drove the dart 2 miles temp shot down to 180.