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EFV-8 Club Forum / General Ford Discussion / Thermostats, leave in or remove

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Posted By Discussion Topic: Thermostats, leave in or remove -- page: 1 2 3     37RAGTOPMAN 04-27-2011 @ 11:52 AM reply profile send p.m. Senior Posts: 1965 Joined: Oct 2009 Ddrnkp the 37-48 FORDS 85hp the thermostats are in the head in the outlet, the hoses holds then in position, hope this clears this up, 37RAGTOPMAN drkbp 04-27-2011 @ 4:57 AM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Alan you are right. I believe this one has been thought to pieces. We probably need to move on to oil or something before total confusion sets in. Oil and distributors vs. coils can launch the Model T Forum group. <grin> Enjoyed this thread and I learned a thing or two. Ken in Texas ford38v8 04-26-2011 @ 8:13 PM reply profile send p.m. Senior Posts: 2767 Joined: Oct 2009 Ken, you and I seem to be confusing things quite sufficiently! Yes, of course you are right about direction of flow. Thermostats, since their introduction in 1933, have been at the top, nearest the source of the heat they were required to measure and attempt to control. Your turn. Alan drkbp 04-26-2011 @ 7:08 PM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Stroker, Thank you for your clarification. I thought they pumped the way you described but another post confused the issue for me as I am mostly '35-'36. You were writing while I was trying to load pictures. I think you are spot on about Ford's problem with the head pumps ('32-'36) and the fix began in '37. The plates/pages I posted should clear up the thermostat question as well unless more recent research has shown otherwise. New Fords came with thermostats begining in late 1933 and with the 1934 models. 1937's had them down at/by the water pump is what the data says that I posted. Ken in Texas drkbp 04-26-2011 @ 6:55 PM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Since I have figured this out I will post the spec sheet pertaining to the cooling system too. Both from "The V8 Affair", Ray Miller (1972) Shows where the stats were located for the year model as well as other info. Stroker 04-26-2011 @ 6:52 PM reply profile send p.m. Senior Posts: 1460 Joined: Oct 2009 The direction of flow, whether using the head mounted (32-36) pumps, or the block mounted (37-53) pumps is the same. The big difference occurs when the engine is just at the boiling point. The block mounted pumps will still pump water, but the head mounted pumps are situated in a location that may no longer have water; but instead have only steam at the pump inlet. Since a water pump cannot pump steam, at this point, the high-mounted pumps are no longer able to deliver fluid flow to the radiator, and cannot correct the (overheating) situation even with the vehicle at rest and the engine running at "fast idle". I don't believe that Ford moved the pumps to save money (by combining pump and engine mount), but rather, to put the pump where it would do the most good. No modern engine has a water pump located at the high point of the block portion of the cooling system for the same reason. Ford originally put the pump in the cylinder head because that was what worked for them with the Model A, and Model B. Model A's and B's didn't have "boiler tubes" running through their water jackets like the V8 did, so it never became an issue. It took 4 years for Ford to realize their mistake, but the block mounted pump was a major step in the right direction. drkbp 04-26-2011 @ 6:47 PM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Try to post jpg. Well, it worked. Shows the stats used by Ford that were introduced in late 1933. This message was edited by drkbp on 4-26-11 @ 6:50 PM 37RAGTOPMAN 04-26-2011 @ 5:58 PM reply profile send p.m. Senior Posts: 1965 Joined: Oct 2009 35gal why not put 155's in it, for the summer, and for the winter put a piece of cardboard in front of the radiator and just watch the guage so it does not overheat,so you get heat, if it starts to HEAT UP just remove the cardboard or a piece of it, till you get the right temp you want,? crude but works, problem solved ? 37RAGTOPMAN drkbp 04-26-2011 @ 5:30 PM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Can someone tell me how to post two jpgs I have resized to post? I can't follow what they are getting at. Thank you, Ken in Texas drkbp 04-26-2011 @ 2:14 PM reply profile send p.m. New Member Posts: 180 Joined: Aug 2010 Alan, Doesn't the water flow out of the top of the heads into the top of the radiator and out the bottom of the radiator to return to the engine? Ken in Texas

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