Adding a pusher fan.

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mech. fan, shroud, 15" pusher fan in front -set 2 1/2" off the radiator, set to come on at 200, works for me. w/o the electric fan, it will keep climbing at stop lights. I have a fair amount of h.p. too. -----JFYI . BUT, I'm` wondering, will a 7 blade-17" mech. fan suck more air than a 17" 6 blade fan ???????????

ask the aerospace engineer. he can probably tell you.