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Old 03-03-2021, 03:37 PM   #12
34PKUP
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Default Re: Adding a Coolant Overflow Tank

Quote:
Originally Posted by JayChicago View Post
Recovery tanks became standard in the fifties when they filled the space available with the finned heat exchanger. Then a remote expansion tank is necessary. Our tall radiators have a built-in expansion tank. A second expansion/recovery tank serves no purpose.

I’m open to hear ideas to explain why it helps the cooling system.

So you are saying that you never had to add fluid to the radiator or never had any come out of the overflow tube?
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