63 Dodge Dart, now let me see;)
As we keep working back to my favorite fan. Runs Quiet, gives everything good clearance, moves good air (hopefully it's at least 18" diameter.
Now move your AC Condenser 1" forward off the Core Support to allow some fresh air to come in around the edges, instead of dumping searing hot AC heat directly into your already great Aluminum Radiator that will get rid of the heat... if you give it a chance.
☆☆☆☆☆