Re: Freeze Protection
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Home away from home
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If you're going to do the arithmetic for the add, why not aim for a 60% volume glycol ratio, as the freezing point will be another approx 15 F lower? That doesn't mean more is always better - this glycol-water is a non-ideal mixture
Posted on: 2013/12/11 13:58
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Re: Freeze Protection
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Home away from home
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Because 60% will run hotter than 50%. If the car is in Arizona a 50% level is probably not required for rust protection. 50% is good to -34F. If you test a 40% mix at -34F it will not freeze solid so 60% is not required except for Antarctica or northern Siberia.
The risk with lower percentages is that the radiator will clog with slush and cause overheating. The block will be fine, but the radiator will freeze.
Posted on: 2013/12/11 15:21
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Re: Freeze Protection
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Home away from home
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Tim,
Thanks for the tip on the saran wrap to create suction at radiator neck. Never occurred to me.
Posted on: 2013/12/11 15:39
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Stephen
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Re: Freeze Protection
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Here is another time saver that will save people from catching pneumonia in the garage.
Remove a sample from the cooling system. Put it in the freezer. My freezer is at -1F. So now you can sleep secure and save your anti-freeze for when you need it. If your percentage is 25% you will see it slushy in the freezer. And beware: If you mix long life with regular anti-freeze you won't get an accurate reading on a hydrometer because long life has to be tested using a refractometer.
Posted on: 2013/12/11 16:15
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Re: Freeze Protection
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Home away from home
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On this topic:
Here in Phoenix AZ the temperature has been dipping down to +35 or so. As I spent time and money restoring my automatic windshield washer which has a glass jar reservoir, I wanted some of that antifreeze fluid. Here in Phoenix they don't have a clue as to what I'm talking about and this they are the major auto supply retailers. I dumped in some of the stuff to flush out RV water systems and then flushed it out and dried everything thoroughly. I have a Ford Escape with a leaking window washer which I assume has been frozen. Seems like a marketing opportunity to me to make antifreeze washer fluid. I run regular 50/50 already mixed antifreeze in the cooling system and don't seem to have any problems with overheating. Jim
Posted on: 2013/12/11 18:56
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Re: Freeze Protection
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Quite a regular
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Thanks for all the suggestions. I am heating the space for now as it will be a few degrees below 0 tonite. I can change the pump fairly easily, but I sent the carb to Daytona for rebuilding after reading an earlier thread here, so I can't run the engine to mix the antifreeze until I get it back. Daytona estimated 6 or 7 weeks, and its been about 4, so I hope to have it back as a Christmas present.
Posted on: 2013/12/11 22:01
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