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Old 10-26-2020, 08:27 PM   #1
DaveBPT
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Default thermostat

Working on a stock '35 Flathead. Sent leaking water pumps out to be rebuilt. Planning to replace radiator hoses and thermostats. The thermostats I've seen so for that match what CAME OUT OF THE CAR are listed for 1937 -40. Any suggestions?

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Old 10-26-2020, 10:25 PM   #2
JSeery
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Default Re: thermostat

Are you looking to use a barrel shaped thermostat, or a modern style one?
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Old 10-27-2020, 07:59 AM   #3
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Default Re: thermostat

Look up gadgiteer@gmail.com G.M.
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Old 10-27-2020, 10:17 AM   #4
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Default Re: thermostat

I know nothing about these thermostats, never used them, but I know they exist.
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Old 10-27-2020, 10:42 AM   #5
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Default Re: thermostat

what is a so called "modern thermostat" ?
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Old 10-27-2020, 10:51 AM   #6
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I know nothing about these thermostats, never used them, but I know they exist.
I've used them. So far they work just fine.
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Old 10-27-2020, 01:19 PM   #7
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Default Re: thermostat

The ones that were in it are the barrel type. I'm guessing that I need them?
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Old 10-27-2020, 01:30 PM   #8
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Originally Posted by DaveBPT View Post
The ones that were in it are the barrel type. I'm guessing that I need them?
Depends on you and what you want to install.
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Old 10-27-2020, 01:32 PM   #9
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what is a so called "modern thermostat" ?
That is what I would call the one you buy at the local autoparts store.
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Old 10-27-2020, 05:03 PM   #10
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Default Re: thermostat

For me on my 36 is the question to run with or without thermostats? Mine is a bellows type that goes in the hose. What are the advantages and disadvantages to run without? Right now as far as I know I'm without, and another question is do I just put one in and on what side?
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Old 10-27-2020, 05:47 PM   #11
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Thermostats bring the engine up to operating temperature quicker and maintain a minimum temperature. Higher engine temperatures improve lubrication, helps remove blowby contamination of the oil, reduce sludge build up, increase engine efficiency, etc. Lots of benefits.
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Old 10-27-2020, 06:15 PM   #12
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Default Re: thermostat

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and another question is do I just put one in and on what side?

Two are required. One in each upper hose....
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Old 10-27-2020, 07:08 PM   #13
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Default Re: thermostat

My car seems to run so hot all the time, no issue with it running cold. Temp gauge sits about 7/8 all the time while cruising.
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Old 10-27-2020, 08:19 PM   #14
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Default Re: thermostat

Get yourself one of these > https://www.amazon.com/s?k=infrared+...f=nb_sb_noss_2





ThermoPro TP30 Digital Infrared Thermometer Gun Non Contact Laser Temperature Gun
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Old 10-27-2020, 09:24 PM   #15
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Default Re: thermostat

Yep, need to check it with an IR gun to know what it is really reading. Thermostats should not have any impact on the maximum operating temperature.
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Old 10-29-2020, 07:48 AM   #16
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Default Re: thermostat

I am running two 180 degree stats from Robert Shewman. I just got them last week and they are very nice and are working great so far.

One thing to mention when using a laser temp gun is to keep in mind that the internal temperature of the engine will be several degrees hotter than the external temps you read with the gun.

I am by no means an expert as all of these guys just helped me work through my own cooling issues, but while reading up on my issues I found that information on using the temp guns.
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Old 11-04-2020, 09:58 PM   #17
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Default Re: thermostat

Just saw an original ford set on ebay the other day, auction said they were rare?
https://www.ebay.com/itm/Ford-Flathe...2/114499336643
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Old 11-04-2020, 10:09 PM   #18
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Default Re: thermostat

Quote:
Originally Posted by cajunfirehawk View Post
Just saw an original ford set on ebay the other day, auction said they were rare?
https://www.ebay.com/itm/Ford-Flathe...2/114499336643
I would guess they are rare and most likely worn out! Not sure why anyone would want to run them.
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Old 11-04-2020, 10:12 PM   #19
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Quote:
Originally Posted by JSeery View Post
I would guess they are rare and most likely worn out! Not sure why anyone would want to run them.
Auction says
Quote:
2 Antique Vintage Ford in-hose thermostats.

Tested. Open at 145 degrees. Very rare.
YMMV, but I agree, I sent the gent listed above an email about his new t-stats, for $5o for the pair, I'd prefer peace of mind for new.
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Last edited by cajunfirehawk; 11-04-2020 at 10:19 PM.
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Old 11-04-2020, 10:14 PM   #20
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Quote:
Originally Posted by cajunfirehawk View Post
Auction says



YMMV, but I agree, I sent the gent listed above an email about his new t-stats, fro $5o for the pair, I'd prefer peace of mind.
And who the hell would want 145 deg thermostats, LOL.
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