Quote:
Originally Posted by M3PO
I used to work at an electron microscopy lab at NASA MSFC and we used to have entrepreneurs bring in similar additives claiming that they soaked into the metal and filled imperfections and such, restoring compression, etc. In a lot of cases, these additives made the surface worse, and noticeable microscopic etching was present afterwards. It is snake oil and is definitely not peace of mind because it may be doing harm rather than good.
BMW didn't design the motor for that crap. Who's engineering skills are you going trust?
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Thanks for the info. I did a quick search and found this
http://www.ftc.gov/opa/2001/02/zmax1.shtm
No more Z Max for me.