Marvel Mystery Oil.....yes or no?

Marvel Mystery Oil.....yes or no?

Anyabody use MMO?  I have heard the old timers around the airport talking about this stuff and they swear by it.  Not sure if you can legally use it in an aircraft.  I have heard the military had barrels of MMO and they would use it back in the day of military piston powered planes.  Good idea or not?  It sure is a lot cheaper than AVBlend.

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Re: Marvel Mystery Oil.....yes or no?

Avblend is the only additive legal for use in aircraft. I feel that MMO would be certified by the FAA if it was legal.

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Re: Marvel Mystery Oil.....yes or no?

I own a C195 & use MMO in the oil and gas (car gas)...There is a North American T28 on our fieldd & he uses it the same way...NOTE Radial engines.

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Re: Marvel Mystery Oil.....yes or no?

Oh no!!! It's not FAA approved!! Better not use it or the wings will fall off!

What it boils down to is why would the maker of MMO spend a billion dollars to get his product "blessed" by the everknowing...all mighty...better than God FAA when so many pilots ALREADY use it anyway.

I use MMO all the time in my gas, I wont fly without it.

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Re: Marvel Mystery Oil.....yes or no?

One word


LIABILITY

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Re: Marvel Mystery Oil.....yes or no?

Same wrote:
Oh no!!! It's not FAA approved!! Better not use it or the wings will fall off!


I was always taught to follow the rules. Rules are made for a reason. If we did not have the FAA I couldn't imagine what our skies would be like.

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Re: Marvel Mystery Oil.....yes or no?

Well things have to be FAA/PMA approved right?  But if they are also Mil Spec., then that is also approved, right?  If the military was using MMO in their aircraft years ago, then I would think that MMO has a Mil. Spec.  So legal to use or not legal. 

More curious to know what kind of success people have had that use it.  At 4 oz. per 10 gallons, I don't think anyone would ever know that you are using it, even if something went wrong. 

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Re: Marvel Mystery Oil.....yes or no?

I don't think Mil Spec ALONE will do it.
I can find a large assortment of engine oils that are Mil Spec that I wouldn't use in my plane.  There's a number of webbing materials that are Mil Spec that you wouldn't want to or shouldn't make seat belts out of.
The army also does a lot of stuff that civilians aren't allowed to do.
What I would like to know is...what Marvel Mystery Oil actually IS.
I'm thinking that part of the "Mystery" would be that if one is spending
the money on the stuff, that person may be a little more inclined to be
taking good care of the machine they are using it in, MMO aside...
But then....maybe the mystery is magical and really does good stuff
I think its extreamly unlikely that MMO would cause a problem.  At 4oz/10gal I doubt any oil would cause a problem.
...but then...whaddaeyeno?
Michael

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Re: Marvel Mystery Oil.....yes or no?

Putting MMO into the fuel lowers the octane rating of the fuel.  I have seen no DATA on it's use either supporting or not supporting it's use.  All of the information and recommendations are annedotal.  Anyone deciding to use it is doing so without any scientific support and should know that there are some potential downsides where minimum octane is concerned.

In the lower powered engines, using MMO is probably not harmful, but is of questionable value.  In the bigger, high compression engines, it's probably a bad idea.

Walter Atkinson
Advanced Pilot Seminars

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Re: Marvel Mystery Oil.....yes or no?

I've been using MMO in my Cutlass RG, (which has a Lycoming O-360) since around two months after I overhauled the engine (with millennium cylinders). I had a big problem with sticking valves and the problem went away after running only one tank full of MMO. Since then I've been running 93 octane mogas and 4oz MMO per 10 gallons (about one quart per top off) of fuel and the engine is still running great. To date I've run 3000 gallons of mogas through the engine and still no problems, no sticky valves and very good compression. The FAA may not have prayed over and blessed the stuff (they didn't bless my Cutlass RG to run mogas either, though they did bless that engine to run on 91 octane mogas) but I think my positive experience speaks for itself. From my 10 years of experience in aviation, FAA approvals are based off money and not quality. I've had more problems with new aviation parts then I've ever had with new automotive parts, so I think when it comes to aircraft, a person needs to use good judgment and keep a practical mind, not be a stickler of the law (use the law as a guide and don't get cought when you stray). That kind of thinking will cost you lots of $$$ and can get you and your passengers into trouble, or even killed. The FAA isn't responsible for the safety of the flight, you are.

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Re: Marvel Mystery Oil.....yes or no?

Michael Meadows Wrote:
-------------------------------------------------------
>> What I would like to know is...what Marvel Mystery
> Oil actually IS.
> I'm thinking that part of the "Mystery" would be
> that if one is spending
> the money on the stuff, that person may be a
> little more inclined to be
> taking good care of the machine they are using it
> in, MMO aside...
> But then....maybe the mystery is magical and
> really does good stuff
> I think its extreamly unlikely that MMO would
> cause a problem.  At 4oz/10gal I doubt any oil
> would cause a problem.
> ...but then...whaddaeyeno?
> Michael


MMO is 30 weight base oil, varsol (charcoal lighter fluid), red dye and wintergreen fragrance.
It acts as a mild solvent which evaporates after an hour or so. For a few years it contained 1% dichlorobenzene which is a strong solvent but it attacks elastomer seals.

Ed

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Re: Marvel Mystery Oil.....yes or no?

Keeps coming back like a bad penny......

I've heard discussions around MMO since the day I took my first flight...

IMHO, MMO is snake oil, not unlike the AMAZING TRANSIMISSION REJUVINATOR that one adds to car's tramsimssion when it's ready for transmission heaven.

If you consider MMO from a logical prespective you have to consider the following:

If MMO were the magic elixer that many claim, why haven't the oil companies incorporated it into their products? Why haven't others manufactured similar produts and claimed the same results? Why don't all of the engine rebuild shops suggest using this product?

At the most the MMO may do something for the intake valve stem, but the intake valves aren't usually the problem... By the time it gets to the exhaust valve stem and the rings it has undergone the combustion stroke in the cylinder and had been converted to energy and perhaps a few leftover carbon and oxygen molecules.....

MMO will not fix engine problems. I think that using it is a waste of money and may delude some into flying behind an engine that should be in the repair shop.....

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Re: Marvel Mystery Oil.....yes or no?

I agree about the reasons it is not FAA approved. It takes much $ to accomplish that. Also if someone in command in the FAA has some kind of vengence thing from the past broiling, then no matter how much dollars are spent it won't be approved. And it all may have nothing to do with how good or not the product is. Past examples, how come every Northrup flying wing was destroyed? How come top inventers such as Nicola Tesla was pretty much written out of the history books? So things like that do happen. Alot of outfits have been destroyed because they didn't agree to a merger or what ever. So the reasons may be more deep seated than any of us may know.

The product seems to do what is advertized, it took me many years to discoverit. I was one that thought it was snake oil too. But have since changed my mind on that. It  works great to keep fuel system corrosion down. And will preserve and keep rust down in cylinders. I think it is a way better protectant than say WD40, when burned it leaves a slight oily residue. Some day when better set up for it I would like to prove or disprove the claim for decreased octane using it, as I belive it is just to opposite. There is no Zn which is nice if you have silver in bearings since Zn will attack them.

Like some have mentioned, approved parts etc. Now just think of all the parts that have been approved by the FAA, and then at some point they fail. So just because the FAA approves something that does not mean it is something perfect. Just look at all the AD's. And that also means even the ever knowing manufacture does not know all they think they do either. No engine manufacture has yet to make an engine that has not failed in some fashion. So in simple minded terms the FAA approval doesn't really mean a thing. And in some cases Bob the home machinist can make a better part than Continental(or who ever) the engine manufacture. How can that be? Well if you don't understand manufacture and production you won't be able to figure it out. Because you have some preconsieved notion that a major manufacture makes top quality stuff. Not so.

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