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Thread: What's your experience?

  1. #11

    Join Date
    Aug 2011
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    FA40
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    709
    LARD kind of takes some of the mystery out of it?

  2. #12
    I have been putting MMO in my fuel for 26 years, five aircraft. I never experienced a stuck valve.
    Coincidence?
    Dave
    N601XP

  3. #13
    Banned
    Join Date
    Dec 2016
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    Bumble**** Egypt, Joja
    Posts
    30
    I wonder how many of you, walking on the shady side of town, would buy a Marvel Mystery Burrito from a vagrant in a grungy Spider Man t-shirt that came up and offered it to you.

    But Choppergirl, it's all about location, location, location. Walmart is way more trustworthy.

    That being said, I've put it in gas tanks before with no ill effects; unsure if there were any quantifiable positive effects either.
    Last edited by choppergirl; 07-16-2017 at 03:40 PM.

  4. #14

    Join Date
    Mar 2016
    Posts
    19
    For sticking valves you add MMO to the engine oil. In the gas it helps to prevent lead fouling and deposits. I've added it to avgas off and on for 25 years because I was taught to.

  5. #15

    Join Date
    Jul 2011
    Location
    Clarklake, MI
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    1,980
    I have been putting MMO in my fuel for 26 years, five aircraft. I never experienced a stuck valve.
    If we are going to use faulty logic, we could conclude from your experience that the valves didn't stick despite the use of MMO, not because of it.

    Somewhat amusing that despite an engine manufacturer publishing a document expressing prohibiting use of a product is not satisfactory to overturn folklore.

  6. #16

    Join Date
    Mar 2016
    Posts
    19
    His logic makes more sense than your baseless dismissal.

    MMO is light base stock oil with Varsol added. Simplified a little but that's the basic recipe. Got a too-tight valve guide? Thin oil and solvent may be beneficial. History says it has been in big radials. In fuel? It helps with lead problems. That's a more recent problem with 100LL being the only aviation fuel most of us use. If you don't want to run it? Don't, but that doesn't mean the rest of us are foolish for using it.

  7. #17

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    Jul 2011
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    Clarklake, MI
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    1,980
    MMO is light base stock oil with Varsol added. Simplified a little but that's the basic recipe.
    More precisely: 74 percent mineral oil, 25 percent stoddard solvent, and 1 percent lard (aka pig fat)

    Caveat emptor my friend

  8. #18
    robert l's Avatar
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    Mar 2017
    Location
    Heath Springs, S.C.
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    146
    What could be better than firing up your engine and the smell of bacon comes out !!!!
    Bob

  9. #19
    DaleB's Avatar
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    Sep 2015
    Location
    KMLE
    Posts
    298
    Oh, you need some of this... https://m.summitracing.com/parts/plu-19769-45
    Measure twice, cut once...
    scratch head, shrug, shim to fit.

  10. #20

    Join Date
    Jul 2011
    Location
    Oak Harbor Wa
    Posts
    400
    Who remembers the mis fueling that happened in California? 4 major airports had less than 5% diesel contamination?

    the engines torn down by Lycoming and TCM all had signs of detonation present..

    what is the major ingredient in MMO?

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