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too much antifreeze??? 900

posted by  invar on  Thu Jan 30 11:51 CST 2003
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last visit: Fri Feb 26 21:00 CST 2010
[RELATED]

while you're right about cooling efficiency being reduced, freezing point has NOT been raised. it's been lowered. meaning it's more difficult for stuff to freeze. any solute that is added to water will lower its freezing point. (freezing point depression)

you won't really harm anything by having 75% in your car during the winter. just keep an eye on the gauge during the summer. if it becomes a problem, drain some and refill it with water... or drain and flush the entire system.

edit:
apologies to rhaire. you were right, ethylene glycol+water's freezing point is is dependent on concentration. guess i do learn something new every day. :)

http://www.gi.alaska.edu/ScienceForum/ASF6/680.html
--
Kenric Tam
1990 Volvo 740 base sedan (B230F)
My Volvo 'Project'






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