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812 SC cooling issues

  • Lee Carr
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27 Nov 2020 15:33 #41602 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Thanks! Ebay must have my account "edited" to only show highest price first!

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  • pete kelly
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27 Nov 2020 12:56 #41599 by pete kelly
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No eBay APP ID and/or Cert ID defined in Kunena configuration

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  • Lee Carr
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27 Nov 2020 07:56 #41596 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Thanks to all. I did find two on ebay - Fulton 60F- but they were $29.99 each. I could not find the bargain $9.99

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  • JIM.OBRIEN
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27 Nov 2020 02:00 #41595 by JIM.OBRIEN
Replied by JIM.OBRIEN on topic 812 SC cooling issues
John, There is no need to drill a hole in the Cord thermostat to prevent trapping air because of the design. There is always flow thru the thermostat so it can't trap any air at that location.

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  • uconn_1965
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27 Nov 2020 01:15 #41594 by uconn_1965
Replied by uconn_1965 on topic 812 SC cooling issues
There is one on eBay now for $9.99

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  • George van Nostrand
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27 Nov 2020 01:11 #41593 by George van Nostrand
Replied by George van Nostrand on topic 812 SC cooling issues
Lee The FULTON 60-F is the correct number. It is rated at 162 degrees.
The Bishop & Babcock brand does not stamp the numbers on it, but you may find a correct one by testing. George.

Restoring 1936 Cord Westchester sedan.2023 A

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  • Lee Carr
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26 Nov 2020 19:03 #41587 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Yes - all other issues are addressed (I think!) - seems you can never have just one cause! Now I need suggestions for a thermostat brand and part number that has worked for others. Thanks.

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  • johnmereness
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26 Nov 2020 18:14 #41586 by johnmereness
Replied by johnmereness on topic 812 SC cooling issues
JUST TO RECAP - SOUNDS LIKE YOU NEED TWO 160 THERMOSTATS FOR YOUR CORD !

Sidenote - When you go to install drill a fine/tiny hole in them to allow water to pass through to prevent air pockets

JMM
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  • Lee Carr
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26 Nov 2020 16:10 #41582 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Thanks Terry - I am off to search for Australian parts and US available equivalents.

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  • Lee Carr
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26 Nov 2020 15:24 #41580 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Yes, you are both correct. A mind is a terrible thing to lose - this car DOES have thermostats - I was thinking of another of my garage ornaments. It also has a lower hose with a spring and very thick wall to prevent collapse under suction. I checked surface temperatures and found the left head outlet casting was above 200 degrees while the right was at about 160 degrees. I opened up the left thermostat housing and found a thermostat in place (Bishop and Babcock with only patent numbers and no other info). I tested it and it fails to open in boiling water so that is at least one of the issues. I need advice about a source for two new thermostats - 160 degree? Can you help?

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  • Terry Cockerell
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26 Nov 2020 09:57 #41578 by Terry Cockerell
Replied by Terry Cockerell on topic 812 SC cooling issues
See page 38 of Rudy's "Cord 812 Custom Beverly Restoration Story."

T cockerell

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  • mikespeed35
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26 Nov 2020 05:02 #41577 by mikespeed35
Replied by mikespeed35 on topic 812 SC cooling issues
Flow restrictors have been used a long time. I have a 1913 and a 1910 and both have flow restrictors from the factory. They did not have thermostats though.
CORDiallyMike

Mike Huffman

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  • Lee Carr
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26 Nov 2020 02:30 #41576 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Yes, you are both correct. A mind is a terrible thing to lose - this car DOES have thermostats - I was thinking of another of my garage ornaments. It also has a lower hose with a spring and very thick wall to prevent collapse under suction. I checked surface temperatures and found the left head outlet casting was above 200 degrees while the right was at about 160 degrees. I opened up the left thermostat housing and found a thermostat in place (Bishop and Babcock with only patent numbers and no other info). I tested it and it fails to open in boiling water so that is at least one of the issues. I need advice about a source for two new thermostats - 160 degree? Can you help?

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  • 1748 S
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25 Nov 2020 22:38 #41574 by 1748 S
Replied by 1748 S on topic 812 SC cooling issues
I completely agree with John. I recommend following his suggestions.


Gary Parsons

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  • johnmereness
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25 Nov 2020 20:29 #41570 by johnmereness
Replied by johnmereness on topic 812 SC cooling issues
Lack of thermostats are a no-no - a thermostat is a flow restrictor.

Basically coolant has to stay a certain time in the radiator to cool properly (aka cannot move too fast). I recommend 160 degree thermostats with a hole drilled in them to prevent air pocketing. Sidenote: so when you have no thermostats the car warms up more slowly, but once over like 180, you overheat more and overheat faster. AKA - why you want thermostats.

Also, a water pump is incredibly powerful as to suction and you want a spring in the lower hose to prevent collapse.

JMM
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  • Lee Carr
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24 Nov 2020 20:20 #41563 by Lee Carr
Replied by Lee Carr on topic 812 SC cooling issues
Thanks for your prompt advice. I will check the lower hose and the actual temp at the outlet tubes. There are no screens (I should probably add them- make them? available for purchase?- to catch debris) and there are no thermostats at the present time.

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  • JIM.OBRIEN
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24 Nov 2020 20:00 #41562 by JIM.OBRIEN
Replied by JIM.OBRIEN on topic 812 SC cooling issues
Hi Lee,
First pull the radiator tubes from the engine to the upper radiator and see if there are screens in the tubes. If so they are probably plugged up.
Second check and make sure the thermostats are not stuck.
Third is check the radiator hose from the bottom of the radiator to the water pump. AS the hose gets old it may be collapsing and restricting the water flow.
Fourth - are you sure the radiator is clean? Several tines I have seen the engine puke and send a bunch of junk into the radiator and plug it up with no warning and happens very quickly.

For items one, two and four you can check these with an infrared thermometer as the engine warms up.

good luck and let us know what you find.

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  • Lee Carr
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24 Nov 2020 19:41 #41560 by Lee Carr
812 SC cooling issues was created by Lee Carr
I am trying to diagnose and remedy new cooling issues. The vehicle has worked fine for years but now overheats - the radiator is clean and good, the pump belt does not slip, 50/50 antifreeze is and has been used for years, ignition timing is correct and the head gaskets are not leaking. Any suggestions?

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