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Old 02-25-2020, 06:29 PM   #25
my4dv8
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Join Date: Aug 2010
Location: New Zealand
Posts: 918
Default Re: Ford Model A Coolant Overflow Tank

So with an overflow tank on a non pressurised system , once the bottle is full it simply overflows on to the pavement. To me an overflow tank on a non pressurised system seems pointless , apart from looks. I suppose it could return to a non pressurised system as long as the overflow pipe in the radiator was submerged. What is the trick to getting say a 4lb pressurised cap on an A so in fact when it cools it will actually return to the radiator .

Last edited by my4dv8; 02-25-2020 at 06:42 PM.
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