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Marvel Mystery Oil revealed ... #4210088
09/23/16 11:29 PM
09/23/16 11:29 PM
Joined: Sep 2015
Posts: 6,202
Kalifornia Kollective
BrocLuno Offline OP
BrocLuno  Offline OP

Joined: Sep 2015
Posts: 6,202
Kalifornia Kollective
I a thread over on iBoats, there was an ongoing discussion of a iffy engine. One of the posters said something about adding Marvel Mystery Oil (MMO). Got a rash of stuff back, but this was interesting:

MMO contains solvents such as such as kerosene, naphthalene, xylene, acetone or isopropanol. It always kills me that there's always people that think MMO (and other Snake-oils) are some kind of special double secret magic sauce that does something remarkable in an engine when added to either the oil or the fuel ...

Another poster responds:

Some years ago, MMO was added to fuel in an aircraft engine and the NTSB had the following to say about it at http://www.ntsb.gov/ntsb/brief2.asp?...02LA181&akey=1

According to the FAA inspector, the additive that was added to the fuel was Marvel Mystery Oil. An empty 1 gallon can of Marvel Mystery Oil was found in the operator's trash. Instructions found on the can stated that the correct ratio for mixing with fuel was 1 part additive to 100 parts fuel. The contents of Marvel Mystery Oil were 74 percent mineral oil, 25 percent stoddard solvent, and 1 percent lard.

Well OK, maybe you should not use MMO in an aircraft engine or aircraft fuel, but in an oil burner/beater, why not ...

The Stoddard Solvent will free stuff ( laugh ), and the lard will be poor mans AutoRX (bio-oils), so that's cause to go get some all by itself. I think it's a bargain for what it does smile

I have used it on and off for decades on oil burners and rough running engines. About 75% of the time it'll help in one oil change interval.

I have moved on to BG109 and my fix in a can smile

But under some circumstances, I'd grab a can of MMO and go for it again laugh


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210104
09/24/16 12:21 AM
09/24/16 12:21 AM
Joined: May 2009
Posts: 2,415
WA (USA)
Y_K Offline
Y_K  Offline

Joined: May 2009
Posts: 2,415
WA (USA)
WD40 is another kerosene gimmick. Folks still buy into its 'lubrication' property.

Re: Marvel Mystery Oil revealed ... [Re: Y_K] #4210116
09/24/16 12:39 AM
09/24/16 12:39 AM
Joined: May 2006
Posts: 4,098
Central Wisconsin
dwendt44 Offline
dwendt44  Offline

Joined: May 2006
Posts: 4,098
Central Wisconsin
WD-40 isn't a real 'lubricant', it's a 'water displacement' compound.
It has an oily component though and works as a light lube in some cases. Its overused, though that's my opinion.


There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210131
09/24/16 01:55 AM
09/24/16 01:55 AM
Joined: Apr 2016
Posts: 985
England
UltrafanUK Offline
UltrafanUK  Offline

Joined: Apr 2016
Posts: 985
England
If you have sludge up engine it is much safer to use a flush designed for use at idle rather than a drive around oil scourer like MMO. If your engine is sludged up an oil scourer can easily dislodge the sludge and block the oil filter or even the oil pump intake screen.
MMO is also going to thin out the oil which is not good news if your oil is already on the thin side. I definitely would not use it if you are using an Xw20.
Liqui Moly are the best company in the oil additives game and they do make a drive around oil scourer in additive to their popular idle flushes, BUT their PDS has a specific warning that when used in a badly sludged up engine the sump and oil pump intake screen should be cleaned first and the driver should avoid high RPM's.


Shell Ultra 0 or 5w40 or Liqui Moly 5w40 plus Ceratec every long OCI.
LM idle flush every 100K km.
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210145
09/24/16 03:10 AM
09/24/16 03:10 AM
Joined: Nov 2015
Posts: 1,462
KingCake Offline
KingCake  Offline

Joined: Nov 2015
Posts: 1,462
99% of additives are witches brews of light-medium hydrocarbons.

Only good stuff is PEA/Glycol-Ether based.

Last edited by KingCake; 09/24/16 03:11 AM.
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210219
09/24/16 07:47 AM
09/24/16 07:47 AM
Joined: Sep 2003
Posts: 5,842
Waterloo, ON
Bluestream Offline
Bluestream  Offline

Joined: Sep 2003
Posts: 5,842
Waterloo, ON
Stay away from the snake oils, they dont do anything that a good PCMO will do


2000 VW Beetle 1.8T M5
2006 Pathfinder 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210234
09/24/16 08:06 AM
09/24/16 08:06 AM
Joined: Apr 2008
Posts: 13,256
Central NY
Miller88 Offline
Miller88  Offline

Joined: Apr 2008
Posts: 13,256
Central NY
MMO is a nice light weight oil and has it's purpose. WD40 was never much much use to me until I got a winch on the Jeep. It's good to keep the cable from getting too wet with moisture


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210238
09/24/16 08:13 AM
09/24/16 08:13 AM
Joined: Sep 2015
Posts: 1,027
PENNSYLVANIA
JeepWJ19 Offline
JeepWJ19  Offline

Joined: Sep 2015
Posts: 1,027
PENNSYLVANIA
So what exactly was revealed about MMO that hasn't already been stated?


2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

Software Engineer :]
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210241
09/24/16 08:15 AM
09/24/16 08:15 AM
Joined: Sep 2015
Posts: 6,202
Kalifornia Kollective
BrocLuno Offline OP
BrocLuno  Offline OP

Joined: Sep 2015
Posts: 6,202
Kalifornia Kollective
The Lard part laugh


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Marvel Mystery Oil revealed ... [Re: JeepWJ19] #4210242
09/24/16 08:16 AM
09/24/16 08:16 AM
Joined: Aug 2010
Posts: 6,320
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,320
Champlain/Hudson Valley
I use WD-40 mostly for soaking the adjustable wheel hardware on my lawn mower. That sheet metal will rust away. Mine's still intact.

Re: Marvel Mystery Oil revealed ... [Re: Kira] #4210250
09/24/16 08:23 AM
09/24/16 08:23 AM
Joined: May 2012
Posts: 6,351
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline

Joined: May 2012
Posts: 6,351
Fort Lauderdale, FL
Originally Posted By: Kira
I use WD-40 mostly for soaking the adjustable wheel hardware on my lawn mower. That sheet metal will rust away. Mine's still intact.


Give Boeshield T9 a shot. WD40 can't whiz on the same sidewalk as T9 when it comes to preventing corrosion on metal components.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210257
09/24/16 08:30 AM
09/24/16 08:30 AM
Joined: Sep 2004
Posts: 8,092
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,092
Marshfield , MA
Heh heh I usually sneer at snake oil. Heck, I purposely buy store brand stuff because it doesn't support an advertising staff. But I have have fallen hook line and sinker for MMO. Believe me, it doesn't "scour". I totally get the Mystery. The wintergreen smell evokes nostalgic memories of liniment used on horses and humans. Salacyllic acid,aka aspirin, for cars. Smells trigger memories of when they were last smelt. 5-6 bucks for a qt of stuff that evokes nostalgia? I use it religiously in my OPE gas. Is the decline in carb trouble a coincidence? Thats another mystery I thin out out the 20w50 for the winter with a pint of it. Read the label. Used as directed, its harmless at worst.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210271
09/24/16 08:43 AM
09/24/16 08:43 AM
Joined: Jun 2015
Posts: 5,047
New England
Virtus_Probi Offline
Virtus_Probi  Offline

Joined: Jun 2015
Posts: 5,047
New England
FWIW, the Techron Fuel Injector Cleaner that is slightly cheaper than the PEA-laden Fuel System Cleaner has a <50% dose Stoddard solvent according to its MSDS (and is less than 10% PEA). The way those things are written is weird to me, the FIC is also <80% light distillates, so take your guess as to what the actual typical dose of Stoddard solvent is.


2014 Forester XT, 100000 miles
Last Change;
M1 10W30 HM SN+
Tokyo Roki 15208AA170 filter
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210293
09/24/16 09:00 AM
09/24/16 09:00 AM
Joined: Mar 2004
Posts: 22,114
Upstate NY
Donald Online content
Donald  Online Content

Joined: Mar 2004
Posts: 22,114
Upstate NY
The only mystery is why people still use the stuff other than in seized engines due water/rust.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Marvel Mystery Oil revealed ... [Re: BrocLuno] #4210316
09/24/16 09:24 AM
09/24/16 09:24 AM
Joined: May 2014
Posts: 3,983
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline

Joined: May 2014
Posts: 3,983
Columbus,Nebraska
Stoddard solvent is just a trade name for mineral spirits. I believe another trade name for same product is Varsol.

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