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Originally Posted by Old Mechanic
I wouldnt try to clean any "gunk" off the rockers or use any solvent that could cause the valve seals to loose their integrity and you start burning oil. The inside of the valve cover, no problem....
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Thanks, man! Will do.
Quote:
Originally Posted by sarguy01
Well, I used Marvel Mystery Oil on my 200,000 mile Metro. If Seafoam is "colon blow", Marvel Mystery Oil is a "gentle cleanse". ...
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I actually do use the MMO, sometimes. But not in the oil anymore. Two years ago or I did once and it made me nervous because it was associated with an experience of a quart of oil loss over the course of a 6000 mile oil change cycle. It might not have been the cause, but it put me off the practice. I do put a little in the gasoline sometimes. Maybe I'll use MMO for cleaning the inside of the valve cover. That sure would be gentle. But I think I'll lay off the rockers and such, as Old Mech says.