Marvel Mystery Oil

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Aug 21, 2004 | 10:27 AM

wrx02user

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Marvel Mystery Oil

I've seen on various websites that Marvel Mystery Oil is good for reducing/removing carbon buildup, helping unstick stuck lifters, etc...But does anyone have any experience with this on our motors? Does anyone know if it's safe in the long haul?

Thanks for your replies

Aug 21, 2004 | 03:05 PM

RoadSpike

Registered User

Joined: Feb 2004

Posts: 720

From: The Hunted Forest

Car Info: Mazda Protege '02 (Wishing protege has AWD and a H6 twin turbo)

Quote:

Originally Posted by wrx02user

I have used it to unstick a lifter and it actually worked on a very old truck. HEH! imagine that.

What i tend to try to use it for is like a mild engine flush before you change oils on a very dirty or junky system. If the old car didn't have leaks before running it, it probably will after using this stuff but at least her internals will be clean.

I'd keep it in the system for like 500 miles then dump it for new oil. Never tried it with gas though i've heard it works.

All in all i wouldn't use it in a new car there isn't a point to. I think of it as detergant for oil between changes and very few uses on the system with it at that. Maybe a once every couple of years thing.

Aug 21, 2004 | 03:16 PM

wrx02user

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Thanks roadspike. I also did another search in the forums after I posted this thread and found WRX151 has used it in combination with Xylene to make higher octane fuel.