hmmm....I almost never turn my fans on., in my 74' 360 Dart Sport....with cheapy 26" Ebay Radiator.
How about this?
........ cruising, loaded out, 1000lbs of crap in the trunk, 2 adults, a 4 year old, and a 12 yo Cat....couldnt fit a Shoebox in the car anywhere we were so loaded...