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Originally Posted by joselu43
Maybe there is a benefit from the WW/PI additive, if so, it cannot be seen in the charts. The 9 sec. difference shown is for water with WW vs. a 50/50 mixture of water and glycol. If you compare apples with apples, that is water with water + WW there is practically no difference. The same is true if you compare 50/50 mixtures with and without WW. Clearly the 9 sec. difference is due to the presence of glycol. Since there is so little difference due to the WW you might as well use water alone. I think.
JL
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. . water that's the 'magic' ingredient in the 'cooling' formula. But you would be very unhappy with a failed radiator if you just used water only. Someplace (maybe it's here) there's post showing pics of just using water w/o some additive to prevent corrosion. It ain't pretty!
As you now see, that's why I use 35/65% ratio: it's the "water" plus PI that makes a big difference.
Most problems that I've seen is the af/w ratio is around 75/25; great for Alaska but not too good for So Cal. Adding WW or PI to that mixture would indeed get the comment ". . . made no difference".