Quote:
Originally Posted by WHN
Brent:
Maybe it’s like taking CBD. No one can really tell you how or why it helps, but for some people it does.
MMO seems to have worked for me. In one of my cars there was no other reason that the valves would have freed up and quieted down.
Enjoy.
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If you changed the oil and are driving it more, that could explain what happened to your car. Without performing controlled tests, there is no way to document whether it works or not. I use it too, so I am not opposed to it. Anecdotal stories like those here are nice, but they are not rigorous tests.