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Old 10-25-2023, 08:23 PM   #8
SoCalCoupe
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Join Date: Sep 2021
Location: Point Loma, San Diego, CA
Posts: 430
Default Re: thermostats in a pre 49

Quote:
Originally Posted by elwood View Post
yu know, i had some thermostats before that slid in the hose, looked like about the top 2 inches of a paper towel role with a thermostat in it,
cant for the life of me remember where id gotten them from before, nore can i find them now,
any ideas ?
thanks

After running without thermostats since I bought the car 2 years ago, I decided to run with them in my 1941 Ford. Bought a pair from C & G Ford parts. They're essentially modern thermostats with a 1-13/16" flange diameter, nothing special other than a specific size. After spending a stupid number of hours on the internet, I've decided nearly all of the modern thermostats from a variety of sources are essentially the same and made on the same equipment.



I know of the stock thermostats that look like a TP roll. There were two varieties I believe, bellows and one other. After researching it bit I decided that neither were as reliable as the modern ones like I bought from C & G.


The new ones sit on top of the cylinder head flange. They need something to hold them in place. A couple of folks above have mentioned wires and TIG welding a tube to them. If I had a TIG welder, I would have used that solution. Instead I bought a set of metal upper radiator pipes that replace the rubber hoses. The diameter of the pipes is less than 1-13/16" so they hold the thermostats in place against the cylinder head flange. I did it as much for looks as for the practical effect of holding the thermostats in place. The metal radiator pipes work essentially the same as the TIG solution and kind of dress up the engine compartment a bit. They're not too expensive.
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