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12-25-2019, 04:21 AM | #1 |
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Join Date: Aug 2016
Location: Avesta, Sweden
Posts: 69
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Pressurize a cooling system
Can you pressurize a cooling system having a std cooler, or do you need an aftermarket cooler made to be pressurized - disregard engine and other items? Chris |
12-25-2019, 08:01 AM | #2 |
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Location: Marana Arizona
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Re: Pressurize a cooling system
Assume by cooler you are referring to what we call the radiator. I don't know if the old radiator would like being pressurized or not. Bigger question is why would you want to add a pressurized system to Mr. Fords' non-pressurized system.
If you are going to add a different engine and "hot rod" the car, then a total change would need to be made to the cooling system... Chap |
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12-25-2019, 08:47 AM | #3 | |
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Re: Pressurize a cooling system
Quote:
But a stocker in decent condition really has no need for a pressurized system either.
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12-25-2019, 10:55 AM | #4 |
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Re: Pressurize a cooling system
The caps on the radiator would need some work to get the required seal for pressurization since they aren't designed for it. Skip Haney sells a pressure valve that can be added to the overflow tube to get it to pressure up but his valve is only made for near 3 PSI of pressure due to the strength of the original radiator cores. That would be all they could safely take but it would raise the boiling point a bit more.
Skips's valves are really made for the V8 radiators but they would likely work on a Model A too if the radiator cap could be sealed well enough to hold 3 PSI. An old original radiator could have weak points in the core tubes or tanks after 80 or 90 years of abuse so whether it would hold or not is anyones guess. Last edited by rotorwrench; 12-25-2019 at 11:02 AM. |
12-25-2019, 11:53 AM | #5 |
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Re: Pressurize a cooling system
If you just don’t want fluid leaking out on your driveway you can’t put an overflow tank on the radiator. There was a recent thread a week or two ago discussing an overflow tank.
The only reason to pressurize the cooling system is if you live in an area like Inland Southern California, the Southwest United States or Australia were you get over 100 degrees in summer. Not sure you get those temperatures in Sweden. Brassworks in Paso Robles, CA. (see the “sticky” above for their web site) makes a pressurized radiator to fit a Model A. I visited the Brassworks Shop one summer when it was over 100 degrees outside. My wife wouldn’t even get out, she stayed in the car with the engine and air conditioner running! David Serrano |
12-25-2019, 12:44 PM | #6 |
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Re: Pressurize a cooling system
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12-25-2019, 04:53 PM | #7 | |
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Location: Melbourne, Australia
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Re: Pressurize a cooling system
Quote:
I started upgrading the cooling system after running into overheating problems on a long tour (9,000 miles). My first act was to replace the radiator with a Brassworks heavy duty pressurised one. What a waste of money that was - no improvement AT ALL.
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12-26-2019, 12:33 AM | #8 |
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Location: Camarillo, CA and Pine Grove, CA
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Re: Pressurize a cooling system
My '30 Tudor has a closed/pressurized cooling system with overflow tank and uses water-less coolant. I have a Leak-less water pump and have noticed no leakage.
No water = no rust.
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12-26-2019, 01:10 PM | #9 |
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Re: Pressurize a cooling system
Chris's idea may be the best. Waterless is expensive, but really good, especially if you are running an aluminum head.
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12-27-2019, 04:17 PM | #10 |
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Join Date: Aug 2016
Location: Avesta, Sweden
Posts: 69
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Re: Pressurize a cooling system
Thank you all for your inputs Sorry for calling the radiator a cooler! I have a 1930 AA long wheelbase dually truck, and it runs hot sometimes if I carry a heavy load. If I give her more fuel she’s happy, but that’s not how I like to keep temperature under control. The engine is fully rebuilt - new carburetor, new radiator … A pressurized cooling system would definitely help. The engine is on the weak side and I might install a Flathead V8 in the future. Do you need an aftermarket radiator made to be pressurized, or will the std type radiator make it? I don’t know who made it, so I can’t ask them. I only plan to run 3-4 PSI, so I guess I will give it a try and see what happens. Chris |
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