Electric or mech fan?

Turning your radiator into a 18 inch circle LOL is pushing the envelope just a little bit. Now that maybe the cooling surface but if that's all that's needed with a good powerful fan that's all that's needed. I know mine has a 16 inch circle on it and when I put my hand on the opposite side the radiator in that area is literally cold...
And with the temperature sensor set at 175 it circulates on and off every few minutes at idle... It's all that's needed with a good combo... I can't say that I'm against a good junkyard fine though...