On my 63 Plymouth I use the stock waterpump setup. I added a pusher electric fan in front of the rad because when I got stuck in traffic for a good bit it would creep up to 200 to 205. So I added this fan and it works nice. I have it on a toggle switch which controls a relay ground and I just hit the switch when stuck in traffic. It works nice as it keeps the temp below 200 in traffic. I bought it at our local speed shop called Md Performance. Ron