They really do quiet things down, and drop temperatures in SOME applications.
The differentials and transfer cases on the expeditionary vehicle is packed with it.
A real m22 I used to have ran straight additives and made it really nice to shift and quieted it down some. It was $40 fill vs a $2 fill, but it felt like it had power assist....
While the $12 to $30 cost seems to put many people off and call it names they've heard others say, I've found them to cause no damage, make things quieter, and add chemicals and formulas too expensive for common inclusion in common oils and fluids.
The water wetter lowers my temp on one of the cars about 10 degrees.
This is an experience based post.
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