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thermostat's
Quite a regular
Joined:
3/23 11:07:20
From Kitchener Ontario Canada
Posts: 31
Can anyone tell me if the 1940 110 sedan should have a thermostat?

Posted on: 4/16 8:58:33
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Re: thermostat's
Forum Ambassador
Joined:
2007/4/20 17:54
From Fresno CA
Posts: 15253
According to the parts book, yes.

There is an aftermarket number in the parts x-ref of a Napa #70 fitting a 38 110-120. Parts book listing indicates that would also be the same one needed for a 40 model. The only notes listed in the x-ref is the #70 has a 54mm flange which translates to 2.12 inches.

The #70 appears to be an obsolete number but could probably be crossed to something else. If no one has a current number, Napa lists several thermostats with a flange diameter very close to 2.12" that might work too.

Attach file:



jpg  thermostat.jpg (36.17 KB)
209_5cb602267b840.jpg 676X176 px

Posted on: 4/16 9:26:17
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Howard
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Re: thermostat's
Home away from home
Joined:
2008/2/16 15:39
From Santa Fe
Posts: 5231
Howard's information should be most helpful, as usual. In addition to the 'stat you will need a retainer to hold it in the water outlet housing. The retainer may be a spring or a short piece of round tubing, I don't know which kind. Max and Kanter should be able to supply a kit containing the correct'stat, retainer and gasket.

Posted on: 4/16 15:11:29
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The past is a different country: They do things differently there. (L.P. Hartley)
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Re: thermostat's
Home away from home
Joined:
2012/7/24 13:04
From New Jersey
Posts: 612
The parts book tells all. Note that the 38-39 six and eight 1600-1, 1700-1 are not listed as they do not have cylinder head t-stats, they have radiator shutter t-stats. Then, of course, they do not have thermostat retainers.

As the shutter t-stats start opening at 135 degrees ( if they still work) it is possible to install a 180 degree thermostat and circular retainer and have modern performance.

Posted on: 4/17 5:46:33
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Re: thermostat's
Forum Ambassador
Joined:
2007/3/14 16:01
From New Jersey
Posts: 15593
James, not quite that simple. The 1938 shop manual for the Six and Eight does indeed recommend using a 162 degree cylinder head thermostat in conjunction with the shutter stat in order to get best results from a hot water heater installation.

All irrelevant to the original question however which was about a 1940 110.

Posted on: 4/17 6:22:54
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Re: thermostat's
Quite a regular
Joined:
3/23 11:07:20
From Kitchener Ontario Canada
Posts: 31
Thats the problem really. The parts books we have along with Kanter does not show a thermostat for a 1940 110 Sedan. Only the 38'. We had a big air lock so hoping that is the problem. Thanks everyone.

Posted on: 4/17 7:01:38
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Re: thermostat's
Forum Ambassador
Joined:
2007/3/14 16:01
From New Jersey
Posts: 15593
paka40, your comment confuses me. The 1935-1941 Packard Master Parts List clearly shows a cylinder head thermostat for the 1940 110, the listing is the same as HH56 posted earlier in this thread. Are you perhaps confusing a cylinder head thermostat with a Sylphon shutter-stat? They are both thermostats for the purpose of regulating engine temperatures, one regulates by controlling coolant flow, the other by regulating air flow thru the radiator. In some years and models both are employed, in others just one or the other.

Posted on: 4/17 7:41:06
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Re: thermostat's
Quite a regular
Joined:
3/23 11:07:20
From Kitchener Ontario Canada
Posts: 31
9riginally, I was wondering if the 1940 needed a thermostat. We seemed to be overheating but there is not an old one there. So, does it need one or, like a model a, can it run without? We have found an air lock and got rid of that. The heater is working lot better thu.. Lol.. We have just gotten it road worthy today, so will test it out more.

Posted on: 4/17 7:54:26
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Re: thermostat's
Forum Ambassador
Joined:
2007/3/14 16:01
From New Jersey
Posts: 15593
Can it run without a thermostat? Yes. Do you want it to run without a thermostat? No. Higher operating temperatures (short of boil-over) lead to more efficient combustion and longer engine life. So, best to resolve whatever issues you have with your cooling system and run with the thermostat, as designed.

Posted on: 4/17 9:01:11
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Re: thermostat's
Home away from home
Joined:
2013/5/7 13:42
From Scottsdale, Arizona, United States
Posts: 463
Good Morning all...Just a small point...but a great many Model 'A' Fords do run 160 degree thermostats these days. Many of the engine rebuilders request that the engines use thermostats for the reason that Owen suggests...better, cleaner, longer operation of the engine.

If your water passages are clean and your radiator is clean then pay particular attention to your distributor and vacuum advance...If these two items are not up to snuff, they can cause engines to run warm/hot. Also if your carburetor is not set up properly and the engine is running lean...warm/hot running can happen...Ernie in Arizona

Posted on: 4/17 10:14:09
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