1973 Dart Swinger cooling

That’s a clean Dart and nice colour combo!

I’ve got a similar set up to you (318 w 19” rad) with the original shroud. I’ve got the MP thermostatic clutch fan and also upgraded to a 4bbl. In hot weather (which isn’t super hot here in Vancouver) it runs at the 12 o’clock position on the temperature gauge in stop and go traffic.