As far as I know, the antifreeze rate in the system can be as high as 70 percent (for you, not as you put it, for the total water in the engine assembly, and as it gets closer to 70 percent and things start to increase, the reversible freezing point will increase up to -37 degrees. If you practice according to this rate, there will be no trouble. Based on the information I got from another web page, a table was created as follows: Volumetric Mixing Rate Freezing Temperature 100% Water 0 ° C 90% Water + 10% Glycol Mixture -3 ° C 80% Water + 20% Glycol Mixture -8 ° C 70% Water + 30% Glycol Mixture -16 ° C 60% Water + 40% Glycol Mixture -25 ° C 50% Water + 50% Glycol Mixture -37 ° C 40% Water + 60% Glycol Mixture -50 ° C 30% Water + 70% Glycol Mixture Case <-50 ° C 20% Water + 80% Glycol Mixture Case -45 ° C 10% Water + 90% Glycol Mixture Case -28 ° C 100% Glycol Mixture i.e. antifreeze -12 Resources : http://www.friterm.com/getattachment/3ea92381-eb6a-4a91-bc7f-76e6be93b376/385.aspx (page 2 - Table 1. Go to Antifreeze Rate re Freezing Point of the Mixture) http://hondakolik.com/foodli-bilgiler/antifiriz-su-karisim-oranlari-ve-antifiriz-hakininda-bilgi/I hope it helps. In the meantime, it does not mean that a heading needs a correction in the winter as it requires an antifreeze in our summer and winter vehicles.
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