If you are looking for a very high volume electric fan try this:https://www.ebay.com/itm/1993-1996-LINCOLN-MARK-VIII-TWO-SPD-RADIATOR-FAN-with-ELEC-PLUG-Free-Shipping/123835872518?hash=item1cd5317506:g:HAoAAOSwA3dYTZq9
They are cheap at the pick n pull and move amazing air. You can buy a proportional controller so it only runs at needed speed.

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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT