. 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.