I agree it doesn't matter, if the engine cooling system is in good condition, with no blockages, an electric fan can be in either place.
When having a lot of trouble with cooling the 8, I did a test, after installing air conditioning in a 7 which had never had it. I removed the fan blades to see if the electric fan blowing from infront of the condenser, infront of the radiator would keep the engine cool in our 95F plus days.
It was fine on open road driving above about 50Km/hour, but that may have been the natural air flow. Once in city stop start traffic it could not handle it.
I went the other way when I rebuilt the 7s motor, with a new stock radiator, & a new viscous fan. It holds the gauge rock steady on 1/4 everywhere, & regardless of air conditioning.
Finally found it was lean mixture on low revs low throttle opening that caused the 8 to overheat in traffic. We can now enjoy city driving in it with the aircon running flat out after correcting that. The electric fans, one behind the radiator & one infront of the air con condenser do the job beautifully.