Electric fans

I have a '66 Chevelle with a freshly rebuilt 350 out of a '75 Chevelle that is roughly 290-300HP. It has a factory TPI off of an '86 Camaro and a 700R4 and factory A/C. This car will be a driver/cruiser. I want to use an electric fan. Any suggestions? Do I need a dual fan or would a single be okay? How much CFM do I need to pull to cool correctly? A pusher or a puller? What is the best way to mount it? I figure on using a 195 degree thermostat and have the fan(s) wired to come on automatically.

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