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Originally Posted by Duke2.6
I've never seen any rigorous scientific tests that show Water Wetter or any other cooling system additive either reduce coolant temperature or boundary temperatures in systems that run an OEM recommended antifreeze within the OEM recommended concentration range.
The vast majority of anecdotal evidence I've seen from those who have reported using cooling system additives is basically - "made no difference" and like I said, I've never seen any rigorous scientific tests that back up any of the performance claims by manufacturers or some users or these products.
Duke
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. . you don't believe the chart(s) posted by WW showing the improvement in cooling. I guess they are 'lying' according to you. It clearly shows the difference using it vs various ratios of af and water.
I've used both WW and am currently using PI. As sort of an 'anecdotal' experiment, I purposely added distilled water (always use that) and MB af at a ratio of 65/35% (w/af)
without any additive. The next day (the temps were the same; HOT!), I added PI (1-1/2 oz/ gallon) and you could immediately see the difference as reflected on the temp gauge in the IC. Of course that, to you, is anecdotal but that's what I call a 'real' world test! Kinda makes you believe the charts they have published.
BTW, what makes anybody think that you are an expert in af, coolant additives or anything else for that matter. For fact, the PH of MB af is designed to be neutral which is not true for Zerex. And where does it say that it's recommended for MB?
Does one need to use WW or PI?? I guess that decision is up to each individual but the fact is that both do work as advertised.