The issue as I see it is this...we have 3 levels of testing. 1) Broscience. "Bro, I used Rotella and my car loves it, it's way quieter...bro." 2) Typical YT/garage stuff that uses some good methodology but fall short (and makes some people's heads blow off) b/c it's not a 3) peer-reviewed journal sciencetific engineering study which for the masses isn't something easy to digest or understand. What 2 does works for many without the higher-level education required and gives some indications of performance. I fell under 2 here, his delta T test indicates to me at least that it's possible these wetter products can increase cooling system efficiency if you are pushing your car - I would make a reasonable asusmption the ambient temps are held constant for this even though he didn't call it out. There is a lot of 1 indicating this as well from track groups and folks that use their cars on the track but of course 1 is pretty worthless most of the time. Yes, I realize it's not under pressure beyond atmospheric. For that I'll spend $12 and don't need 3. I don't believe anywhere here I swear things are so based on 2, I'm a scientist, I get how this works and even being one, I don't require 3 to make a $12 decision nor does it decrease my intellegence. The comments folks make that are of a personal nature about PF and others that get discussed here are quite shocking to me "clown", "ignorant", etc. and trashing people like this b/c they aren't doing 3 is quite unprofessional and speaks volumes about those commenters' own personalities. And around we go on the 'tog.
