i haven't seen any posts discussing marvel mystery oil. i've used it on a wide range of stuff for years now and i was contemplating putting some in the engine oil and in the fuel tank of my 2002 4.4i with 83K Miles. i used it recently to do a tune up on an old bicycle for a friend and i was blown away, again, with how good the stuff works. I want to drink it myself.

has anyone used this in their engine or fuel system? i think i'm gonna buy a couple quarts and give it a go after work tonight. i'm looking to quiet the lifters a bit.

i was also contemplating putting something else in the engine oil, not at the same time of course, but something that will help any gaskets and seals and such like a lucas oil addative.

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