How much OIL cooling is cost effective to an Arizona Urbanite?

The glacier on the Upper Santa Cruz River has melted on schedule here in the Old Pueblo, so once again, I ponder how to better cool my miraculously good old 383 and its other drive train constituents with 100+ Fahrenheit temperatures now prevailing for the next 4 to 5 months.

My Cold Case MOP753A radiator with a 16 inch pusher electric fan in front, and a 18 inch 6 blade Derale mech fan on a heavy duty Hayden 2747 clutch, in front of a Gates water pump all do well enough at keeping...

How much OIL cooling is cost effective to an Arizona Urbanite?