My '46 261 and Vintage Air, using the stock radiator out of a 2 ton, nice and thick, no troubles over several years. Also have a pusher fan that I don't switch on unless in traffic or really hot days. Has the low water pump, had to whittle fan down to clear everything, would have used pre68Dave's piece had I know about it back then, Think I restored this truck about 1990, been making changes all along the way.
