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Discussion Topic:
Themostats
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mzahorik |
07-31-2021 @ 10:01 AM
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Member
Posts: 209
Joined: Nov 2009
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4Ford, my opinion is that thermostats will not stop over heating. The radiator's job is to remove the heat. It could be water pumps or fan belt, but most times it's dirty radiator or failed radistor. Mike
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mzahorik |
07-31-2021 @ 9:57 AM
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Posts: 209
Joined: Nov 2009
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The thermostats I purchased are just slightly smaller than the diameter of the cast iron opening in the head. About 1/64". It appears that the hose necks down and this holds the thermostat in place? Mike
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4ford |
07-31-2021 @ 8:33 AM
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Member
Posts: 88
Joined: Oct 2010
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i have a 41 and want to install thermostats. it runs fine just driving around but on hiway it get a little hot 212 . so looking at how to install them? i seen that you could put a peace of hose inside but wouldn't that come out and get cought at the end of the hose? if i put a hose clamp just above the one that holds the hose on makes more sense? i just think the hose would come lose and be a big problem any thoughts?
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TomO |
07-27-2021 @ 7:53 AM
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Senior
Posts: 7264
Joined: Oct 2009
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Mike, those thermostats will try to travel up the hoses. Some people put additional hose clamps while others put a piece of hose inside the hose to prevent the thermostats from traveling. The correct thermostats are the same diameter as the outside of the head opening. They will stay in place.
Tom
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mzahorik |
07-26-2021 @ 9:37 AM
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Member
Posts: 209
Joined: Nov 2009
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Once the engine is able to run again, I will monitor the temperature closely. Prior tp removing the engine I found that the drivers side was about 5-10 degrees cooler than the passenger side. The hotest spot was the back of the passenger side at about 185. Thanks Mike
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sarahcecelia |
07-25-2021 @ 9:43 AM
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Senior
Posts: 1194
Joined: Mar 2013
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I certainly hope that you used a good thermometer ( "Ray Gun") to determine the temperature at the top, middle, and bottom of the radiator; and a "Candy Thermometer" in the coolant in the top of the radiator(you know, in the fluid with the cap off.) because no car in this world would run that cold- and certainly not a flathead!
Regards, Steve Lee
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mzahorik |
07-25-2021 @ 9:35 AM
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Member
Posts: 209
Joined: Nov 2009
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Well... I purchased two 180 degree thermostats. I tested them and they start to open just before 175 and are full open by 180. One thing that I noticed is that there is no bleed hole. I thought that a thermostat should have a small (1/16" or less) hole that would allow trapped air to bleed off. Another item, the diameter of the these thermostats are slightly smaller than the head cast iron. What holds the thermostat down, so it doesn't pop up inside of the hose. Which could affect it's function. Thanks Mike
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dean333 |
07-19-2021 @ 10:37 AM
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Member
Posts: 259
Joined: May 2012
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The thermostats I got from Napa have a rubber seal around the edge, seems to me that would hold them in place.
TIM CARLIG
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TomO |
07-19-2021 @ 7:29 AM
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Senior
Posts: 7264
Joined: Oct 2009
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Tim, some vendors and manufacturers supply the 1949-1953 thermostats for the 1938-1948 V-8 engine. They are almost the same, but the early car thermostats have a slightly larger diameter outer flange. I think that I may still have as set of the correct thermostats. If I do I will measure the diameter of the flange and post it here. The 1949-1953 thermostats will definitely travel up the hose a short distance and a hose clamp just above the head outlet or a short piece of hose inside the hose will keep the thermostats in place.
Tom
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len47merc |
07-19-2021 @ 4:47 AM
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Senior
Posts: 1165
Joined: Oct 2013
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dean333 - given the construction of the new radiator hoses you are correct, thermostats tend to 'cant' in the hoses. See the below links on this. If judging/scoring is not a concern then supereal's comment in the first link is the easiest solution. If judging/scoring is a concern then note my (len47merc's) comments on an proven solution that will not compromise judging results in the second link from 7 years ago - still working to this day: https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=16&Topic=7003&keywords=thermostat https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=16&Topic=7429&keywords=stat Steve
This message was edited by len47merc on 7-19-21 @ 4:49 AM
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