Marvel Mystery Oil
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190F flashpoint? is that confirmed? doesn't seem possible if it's recommended as an oil additive, wonder if when mixed with oil it changes or something.
"190F flashpoint? is that confirmed? doesn't seem possible if it's recommended as an oil additive, wonder if when mixed with oil it changes or something."
I can't speak to confirmation of the low flash point.
I do suspect that a small percentage of MMO is a light solvent that quickly evaporates once in a warmed up engine leaving behind the bulk of the product which has a higher flash point.
Rickey.
I can't speak to confirmation of the low flash point.
I do suspect that a small percentage of MMO is a light solvent that quickly evaporates once in a warmed up engine leaving behind the bulk of the product which has a higher flash point.
Rickey.
Here is the Flahspoint info from Marvel's MSDS - actually lower than thought - 128F !!
5. FIRE FIGHTING MEASURES
FLASH POINT: 128 º F (53 º C) TCC
EXTINGUISHING MEDIA: Carbon dioxide, dry chemical, foam.
SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained breathing apparatus with full facepiece operated with positive pressure-demand when fighting large fires.
6. ACCIDENTIAL RELEASE MEASURES
SPILL OR LEAK PROCEDURES: Ventilate area. Remove sources of ignition. Prevent entry into sewers and waterways. Pick up free liquid for recycle and/or disposal. Absorb small amounts on inert material for disposal.
7. HANDLING AND STORAGE
STORAGE TEMPERATURE (MIN./MAX.): -40 º F (-40 º C)/ 120 º F (49 C)
SHELF LIFE: 3 years minimum when the original container is kept tightly closed and properly stored.
SPECIAL SENSITIVITY: None.
HANDLING AND STORAGE PRECAUTIONS: Empty containers may be dangerous since fumes may still exist. Observe precautions given for this product as stated in this document.
5. FIRE FIGHTING MEASURES
FLASH POINT: 128 º F (53 º C) TCC
EXTINGUISHING MEDIA: Carbon dioxide, dry chemical, foam.
SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained breathing apparatus with full facepiece operated with positive pressure-demand when fighting large fires.
6. ACCIDENTIAL RELEASE MEASURES
SPILL OR LEAK PROCEDURES: Ventilate area. Remove sources of ignition. Prevent entry into sewers and waterways. Pick up free liquid for recycle and/or disposal. Absorb small amounts on inert material for disposal.
7. HANDLING AND STORAGE
STORAGE TEMPERATURE (MIN./MAX.): -40 º F (-40 º C)/ 120 º F (49 C)
SHELF LIFE: 3 years minimum when the original container is kept tightly closed and properly stored.
SPECIAL SENSITIVITY: None.
HANDLING AND STORAGE PRECAUTIONS: Empty containers may be dangerous since fumes may still exist. Observe precautions given for this product as stated in this document.
I use MMO for making borscht. It adds a minty "kick."
yeah, the smell of MMO is very interesting.
and i remember someone once posting
"anything with mystery in its name wont end up up in my oil"
and i remember someone once posting
"anything with mystery in its name wont end up up in my oil"
I know without a doubt it provides top end lube. On a propane conversion on a new 300ci ford 6 the valve guides seats were shot at 15k (aprox). Rebuilt the head and added a MMO topend oiler to it set at aprox 1qt every 1500-2000 miles. Engine went on to live a very long life and probably still running strong. Wouldn't use it in the oil though, unless it was some attempt at freeing a lifter or somehting. The fluid just isn't formulated to replace oil. Got a ton of other mmo stories by I'll spare ya all.
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I dumped a ton of it in my tank awhile back to prove, more or less, what didn't happen. I had so much of it in there that the exhaust was a light cloud. No bad effects ...the apparent good effects were instant starting. Just bump the key.
The heads were pulled. No deposits on the heads or combustion side of the valves ..nor piston tops. The intakes were sooted ..but it was soft soot. No hard carbon. The plugs were covered with the same stuff ..but didn't seem to mind it. This was about 20X the recommended dose (I never really figured it out).
The heads were pulled. No deposits on the heads or combustion side of the valves ..nor piston tops. The intakes were sooted ..but it was soft soot. No hard carbon. The plugs were covered with the same stuff ..but didn't seem to mind it. This was about 20X the recommended dose (I never really figured it out).
Many of the old timers at a neighboring private airstrip sure believe in it. The lead in av fuel tends to foul sparkplugs. On a preflight you switch between the dual ignition systems and note rpm. If 1 is low the plugs are usually lead fouled on that side. Guys put mmo in the fuel often find that the effect is greatly reduced. Even though mmo has never been officially approved by the FAA, you find it in a lot of hangers and airplane parts shops. Not an product endorsement just an observation.
I have a friend in Ft. Worth that has a shop that repairs and overhauls diesel injector pumps. His machine and cutting oil is a mixture of STP and MMO. Boy does his shop smell good. He's been doing this for over 30 years.
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