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Old 09-08-2019, 09:44 PM   #17
Pmsqrd
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Join Date: May 2010
Location: Sacramento, CA
Posts: 203
Default Re: Marvel's Mystery Oil

I had a dear friend who swore by MMO. He used it in his 41 Fordor fro 40 years and never had a valve problem. In fact his car is still running the stuff under his son's care. I use it in all three of my A's with the same results. Just bought some last week here in CA without a problem.
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