Quote Originally Posted by jerry clayton View Post
So---you have a cross flow radiator with 2 rows of one inch tubes----what about the other questions? You aren't using the stock fan and you did away with the surge tank!!!!!
And can you put a number per inch on the maximun amount of fins per inch??

Put the surge tank and fan back on the car and your issues will probably go away!!!!!!
Jerry,
With all due respect there are a ton of cars out there that have replaced the clunky OEM mechanical fan with a properly sized electric model and they do just fine, and often better than with the OEM fan. I believe this is especially true of the older iron, like the '61 model being discussed here - things have come a long way since the '60's. As for the surge tank, that's just an overflow tank with the inlet at the bottom, to ensure that the system is 100% liquid, unless I don't understand something about the old Ford surge systems. The main feature was a safe way to add fluid to a hot system, and there are lots of nice looking radiator overflow tanks out there that do the job just fine without the ugly features of the stock surge tank. If I had invested good money in modifying the cooling system to be more attractive without compromising the cooling I would not be in any hurry to throw the ugly OEM parts back on, but that's just me. I would be looking for the problem, and then trying to figure out how to make what I had work by making minimal changes. Again, no disrespect, just a difference in opinion here.