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04-17-2023, 09:33 PM | #1 |
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Water or 50/50 Mix for Summer
I was running water with a wetter and some of the ICE mix to keep my A cooler in Summer but I thinking about 50/50 year round. Do any of you guys boil over on hot days that are 95 and up on 50/50 mix?
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04-17-2023, 10:44 PM | #2 |
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Re: Water or 50/50 Mix for Summer
With a 50/50 mix your boiling point is raised. So, if you were not boiling over with straight water you wont be boiling with a mixture.
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04-18-2023, 09:00 AM | #3 |
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Re: Water or 50/50 Mix for Summer
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04-18-2023, 09:02 AM | #4 |
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Re: Water or 50/50 Mix for Summer
A 50/50 mix does not raise the boiling point. Only a closed pressurized cooling system will raise the boiling point.
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04-18-2023, 09:16 AM | #5 | |
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Re: Water or 50/50 Mix for Summer
Quote:
P.S. I read a few years ago in a hotrodder magazine that for every pound of pressure applied by the radiator cap, the boiling point is increased by 2 degrees (at least that's what the article said). At sea level, water boils at 212*, so adding more pressure by way of the cap raises the boiling point. |
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04-18-2023, 09:32 AM | #6 |
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Re: Water or 50/50 Mix for Summer
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04-18-2023, 10:42 AM | #7 | |
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Re: Water or 50/50 Mix for Summer
Quote:
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04-18-2023, 11:23 AM | #8 |
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Re: Water or 50/50 Mix for Summer
According to that chart, we should run straight antifreeze in the summer and 65% antifreeze in the winter?
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04-18-2023, 11:34 AM | #9 |
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Re: Water or 50/50 Mix for Summer
I think you're looking at the centigrade part of the chart(on the left) instead of the farenheight part(on the right)
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04-18-2023, 11:37 AM | #10 |
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Re: Water or 50/50 Mix for Summer
Again, I'm betting the chart is for at least a 16# pressurized system.
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04-18-2023, 11:43 AM | #11 | ||
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Re: Water or 50/50 Mix for Summer
Quote:
To the rest of us in the real world, my point was adding anti-freeze does, in fact, raise the boiling point of the coolant. Quote:
Last edited by Y-Blockhead; 04-18-2023 at 11:53 AM. |
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04-18-2023, 11:55 AM | #12 |
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Re: Water or 50/50 Mix for Summer
Anyone willing to make a mess on your wife’s stove ! LOL 65 % makes it good to -56*F BUT see what happens at 100% antifreeze…….it will freeze at +12*F
Check your % of antifreeze, the water will boil out( because of a non-pressurized system) and then you could have 100% antifreeze and then your only protected to +12*F Water is a better for cooling this is a scientific fact period, add water wetter and anti rust and your A will run 30*F cooler than antifreeze mix in the summer.
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04-18-2023, 12:00 PM | #13 |
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Re: Water or 50/50 Mix for Summer
Specific heat is a measure of how much heat a material can absorb for each degree of temperature rise. Water has the highest specific heat of any liquid that I know of. That is the reason it works so well in cooling your engine.
If you have an overheating problem the solution is not changing the coolant. Look first at how clean your cooling system is. Then take a close look at your radiator. Old radiators will have loose fins that don't transfer heat from the tubes very well. Cheap radiators will not have enough fins and/or tubes. I run 50/50 year round which works well for me even in the 95 degree days. Change your antifreeze every 3 years. The freezing temperature will not change that much with old antifreeze but the additives that help prevent rust dissipate and/or degrade.
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04-18-2023, 01:54 PM | #14 |
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Re: Water or 50/50 Mix for Summer
Ok, here's the thing about the green stuff in your radiator. It tends to foam in a non-presurized system. Just something to consider.
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04-18-2023, 02:02 PM | #15 | |
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Re: Water or 50/50 Mix for Summer
Quote:
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04-18-2023, 06:08 PM | #16 |
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Re: Water or 50/50 Mix for Summer
No Boil over with 50:50 mix in Memphis summer. I do have a clean cooling system which is the key. No foam either.
Last edited by GPierce; 04-19-2023 at 10:11 AM. |
04-19-2023, 07:08 AM | #17 | |
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Re: Water or 50/50 Mix for Summer
Quote:
https://www.tlv.com/global/TI/calcul...-pressure.html |
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04-19-2023, 08:04 AM | #18 |
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Re: Water or 50/50 Mix for Summer
Don't know where those charts came from, but the boiling point is unaffected in an open cooling system- period. That is why vehicles eventually progressed to closed pressurized systems.
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04-19-2023, 08:41 AM | #19 | |
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Re: Water or 50/50 Mix for Summer
Quote:
of course the boiling point changes when you add glycol to water, non-pressurized or pressurized. remember your physics classes? At a 50/50 mix it will be about 110°C. (Edit: non-pressurized) |
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04-19-2023, 09:06 AM | #20 | |
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Re: Water or 50/50 Mix for Summer
Quote:
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