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Quote:
Originally Posted by Aeroman99
Now if I read you posting right you where saying not to use thermostats in the summer?
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I used to go through the hassel every spring of draining out and saving my coolant with the antifreeze in it, removing the upper radiator hoses, and removing the thermostats thinking that the engine would run cooler without them then go through the whole thing again in reverse in the fall. In the first place, the engine did not run any cooler once it was warmed up. In the second place, it took a lot longer to warm up to proper operating temperature as Henry designed the engine. So, I decided to skip the semi-annual rigamarole and
voila my engine stayed just as cool in the summer, it warmed up to operating temperature quicker (better for the engine) and I had hot water for the heater as soon as I needed it in the fall. (Of course, I had a new stock radiator, pumps and hoses.)
The volume of water going through the thermostats is just the right amount for summer and winter driving and summer cooling is not improved by removing them in my experience and what I have studied on the subject. Remember - Henry didn't make no junk. By the time your car came along he'd been refining the design of the flathead engine for 14 years and I believe had it down pretty good. I myself have been "guilty" of trying to improve on that but have not really found any way to. A clean stock radiator, stock pumps, thermostats and hoses work as well as any of the fancy "tweeking" that anyone does IMHO, and at least Gary in La. agrees (#11).