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#1 |
Registered User
Join Date: Jul 2011
Location: Texas
Posts: 42
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Coolant 20 degrees good enough?
My question is it is supposed to get down to 16 degrees tonight. Is my coolant good enough? And yes I have antifreeze and water mixture good for 20 degreese above zero.
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#2 |
Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: Coolant 20 degrees good enough?
Probably. Is it worth the risk? It wouldn't be to me.
I would either add more coolant, or set a trouble light with a low wattage (40W) bulb in it under the hood where it won't start a fire to produce a little heat.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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#3 |
Registered User
Join Date: May 2011
Location: mich
Posts: 655
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Re: Coolant 20 degrees good enough?
I think you have answered you own question, temp down to 16* and antifreexe good to 20* If it does happen your craked block will tell you in the morning. In michigan we set ours for -30*to -34* 50/50 mix Yep I know it takes away from the cooling effect during the summer but think of the horror.
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#4 |
Registered User
![]() Join Date: Mar 2009
Location: Flint, Mi
Posts: 200
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Re: Coolant 20 degrees good enough?
X2
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#5 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,648
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Re: Coolant 20 degrees good enough?
In reality, 4 degrees for a few hours overnight won't harm anything. More to the point, there could be colder nights ahead. Aside from protection against freezing, antifreeze also contains lubricants and anti-corrosion properties. Best to bring it up to a 50/50 mix with distilled water and you'll be protected. Oh btw it's good for summer also because it raises the boiling point vs plain water.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#6 |
Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: Coolant 20 degrees good enough?
I am one of those that if you have it to a temp around 0 degrees or lower, then your good, but then again at 4 degrees below your mix, you should be good. What do you do, if the weather man lied and the temps go lower? Especially at 2 A.M.---you could start the truck and drive it around all night, HMMMM probably not the best of ideas, especially if you have a fan that pulls a lot of air across the radiator. That would only cool the radiator down further. My thought is to drain some out and put some more antifreeze in and then sleep comfortably in the house.
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Frank |
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