on my 1951chevy truck with the 216 i installed a electric fan keeping the origanal reg fan pushing the air into motor. i want the truck to run cooler but it did not help. can i swap the wires to see if making fan suck air will help but i do not want to burn the fan motor.thank you for the help. my grandaughter say wello just do it she will not take the truck away from me if i burn the fan motor.she turn 15yr a wk ago and she now is a driver a know it all driver.