Tried and true big block radiator/electric fan setups!

Depending on the size of the radiator 22 or 26, the Taurus fan will be the ticket. Here is a pic on a 22" rad with the single fan. The 26" has the dual fans.
I think the Taurus fan and the contour fan are the same.

Here a few threads:
Taurus fan on Champion radiator

https://www.dropbox.com/s/wdvxqfd1tnhcpy3/Electric Fan 26in Radiator.pdf?dl=0