Radiator cap

E

Elf1953

New member
I just bought a project Model T supposedly 1922 that has the radiator cap threads on the outside of the neck. The radiator looks like a honey comb pattern. Any thoughts?
 
Over the many years these cars were used things got changed. You have a non factory aftermarket or homemade radiator.
 
Corcoran (Peerless) made honeycomb radiators for model T Fords as an aftermarket replacement. I don't think Ford made any like that for model T and later cars.

The copper strips were crimped using special dies. The crimped plates were stacked up to form the honeycomb core and they were then dipped in a solder tray to seal the edges. They work well enough but can not be cleaned like a tube radiator. If they get plugged up then they are done.

This link illustrates how the cores were made. There is a Part I and a Part II.
https://www.youtube.com/watch?v=Cxt6EN-39Ck
 
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Aftermarket radiator. Most aftermarket radiators had thread inside the neck like Ford. Sorry can't help much more than that. There were a number of different companies making aftermarket radiators, honeycomb or tube type.
 
You should be able to find a cap to fit. I wouldn't buy a new radiator unless the old one didn't work well.
 
If you know the outside diameter, look for a 'Dog Bone' radiator cap, they seem the have the same thread pitch and will generally fit all of the replacement and accessory Model T radiators with the outside threads that have come through my hands over the last forty years. The early brass radiator replacements, 1916 and before, are a different animal... some those used a hard rubber cap.
 
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