What happens if instead of your coolant mixture being 50/50 its more like 80/20 with 80 being water? anything? 
Cooling System mixture question
- Thread starter 95CobraMike
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nmcgrawj
Advanced Member
95CobraMike said:What happens if instead of your coolant mixture being 50/50 its more like 80/20 with 80 being water? anything?
I THINK that it will cool better but have a worse freezing point. Not sure though...
yep. water transfers heat about 2.7 times better than coolant. but it does not have the freezing, boil over, lubrication, rust inhibitor, etc protection that coolant does. when running more water, it is real important to make sure the system holds pressure (16 psi will raise the boiling point roughly 50*F - cant be more precise as it depends upon the ratio used).nmcgrawj said:
i start out at around 50/50 and add water for the most part, not minding if i widdle down to 75/25 (water/coolant, respectively) after some time. it is important, IMHO, to use additives (lubricants and rust inhibitors) if a small amount of coolant is used (mostly water).
the gains from more water are not huge, and if one needs to run more water for a slight gain, there are other issues which should be addressed.
my two cents. good luck.
when i refilled my radiator, i didnt have alot of 50/50 mix so i put more water in than mix...i didnt know if there were any bad side effects
thanks!
thanks!
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