I have a triple pass crossflow Northern 24 by 19 by 3 1/8 Meziere WP and a Derale 16 inch 2 spd fan wired for hi only. Make sure your fan blades have a cage between them and the radiator. At speed my first fan contacted and broke blades and locked up. This radiator recommended 1 to 1 pulley ratio.The car runs 200 hot. Back to the pits leave the fan and waterpump on for a few minutes and cools down to 160 . Warms up to 180 in the lanes and 200 by the return road. I usually turn the fan off for the run.My fan is infront of the radiator because I don't have the room on the w/p side. Make sure you get the right style . A pusher or puller whichever is correct for you.
