Electric or mech fan?

famous bob said

I just quickly thumbed thru these posts , to start with , ''NONE of these guys'' that answered you have the heat building potential of ur hemi !
That 572 , if built for h.p. will create more heat than any of the engines they described , I raced one for 14 yrs..
I have a 440/505 in a tite engine compartment , with raised port heads , it creates so much engine bay heat , it has melted the 6 louvre vents I put in the hood on each side of my 6 pack scoop. View attachment 1715572968 View attachment 1715572969 If I were you , I d go the big rad., overdriven water pump, flow cooler thermostat, a good water pump , and A MECH. FAN , biggest u can run, on a real short thermal clutch , or even better straight belt driven . The ultra short clutch on mine is so short its a ***** trying to bolt it on. A full belt driven mech. fan is about 8 degrees better on mine than the clutch set up too -----------------jfyi , bob

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FB, You bring up some good points. For what it's worth, I'm running a 26" Griffin radiator - largest that will fit in my Dart, and I'm running a good water pump that's over driven. I currently have a sized disk instead of a thermostat because the stats I found I thought were crap - is the flow kooler stat worth it? I decided to go with an 18" mech fan, I might have been able to fit a 19" but I know an 18" will fit. I was planning on running it belt driven because I don't think I have the room for a clutch, and frankly with the power I'm putting out I'm not worried about drag.

I'm switching all my pulleys this week, shorter and over to V belt, all to create more room for the fan. Assuming all this fit, then next question is whether I should leave the pusher fan in place and use in addition to a puller mech fan? Is the pro of using the pusher fan more than the con of it getting in the way and slowing air flow?