Marvel Mystery Oil?
06-18-2013, 04:52 PM
#29
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RE: Marvel Mystery Oil?
My dad and I used strait MMO with great success. After every fly day we burn the remaining glow fuel out and add 3 carb fulls to the engine and turn it over a bunch to coat the internals well. When winter time comes we give them a bunch more and they always fire up next year. I have never seen or herd of it hardening or leaving any bad residue. It's a bearing life extender.
06-18-2013, 06:47 PM
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RE: Marvel Mystery Oil?
ORIGINAL: Lightspeed1551
My dad and I used strait MMO with great success. After every fly day we burn the remaining glow fuel out and add 3 carb fulls to the engine and turn it over a bunch to coat the internals well. When winter time comes we give them a bunch more and they always fire up next year. I have never seen or herd of it hardening or leaving any bad residue. It's a bearing life extender.
My dad and I used strait MMO with great success. After every fly day we burn the remaining glow fuel out and add 3 carb fulls to the engine and turn it over a bunch to coat the internals well. When winter time comes we give them a bunch more and they always fire up next year. I have never seen or herd of it hardening or leaving any bad residue. It's a bearing life extender.
06-18-2013, 06:50 PM
#31
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RE: Marvel Mystery Oil?
When I started in the hobby I bought the little bottles of After Run Oil. I was in a small engine shop and a gent there was using MMO and when I smelled it, I noticed the similar smell of my after run oil and after questioning the mechanic I just bought MMO to refill the little bottles as they became empty. I have since started using MMO Airtool and never had any problem at all with either of them. I always drain my fuel tank, run my engines dry, and make sure they are cool before I add MMO. I am sure I use more than is needed but compared to the cost of even a small it is cheap insurance.
06-18-2013, 06:54 PM
#32
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RE: Marvel Mystery Oil?
ORIGINAL: tes21966
When I started in the hobby I bought the little bottles of After Run Oil. I was in a small engine shop and a gent there was using MMO and when I smelled it, I noticed the similar smell of my after run oil and after questioning the mechanic I just bought MMO to refill the little bottles as they became empty. I have since started using MMO Airtool and never had any problem at all with either of them. I always drain my fuel tank, run my engines dry, and make sure they are cool before I add MMO. I am sure I use more than is needed but compared to the cost of even a small it is cheap insurance.
When I started in the hobby I bought the little bottles of After Run Oil. I was in a small engine shop and a gent there was using MMO and when I smelled it, I noticed the similar smell of my after run oil and after questioning the mechanic I just bought MMO to refill the little bottles as they became empty. I have since started using MMO Airtool and never had any problem at all with either of them. I always drain my fuel tank, run my engines dry, and make sure they are cool before I add MMO. I am sure I use more than is needed but compared to the cost of even a small it is cheap insurance.
The MarvelAir Tool Oil and MMO is NOTthe same!
06-19-2013, 02:35 AM
#33
RE: Marvel Mystery Oil?
ORIGINAL: JKinTX
The Marvel Air Tool Oil and MMO is NOT the same!
ORIGINAL: tes21966
When I started in the hobby I bought the little bottles of After Run Oil. I was in a small engine shop and a gent there was using MMO and when I smelled it, I noticed the similar smell of my after run oil and after questioning the mechanic I just bought MMO to refill the little bottles as they became empty. I have since started using MMO Airtool and never had any problem at all with either of them. I always drain my fuel tank, run my engines dry, and make sure they are cool before I add MMO. I am sure I use more than is needed but compared to the cost of even a small it is cheap insurance.
When I started in the hobby I bought the little bottles of After Run Oil. I was in a small engine shop and a gent there was using MMO and when I smelled it, I noticed the similar smell of my after run oil and after questioning the mechanic I just bought MMO to refill the little bottles as they became empty. I have since started using MMO Airtool and never had any problem at all with either of them. I always drain my fuel tank, run my engines dry, and make sure they are cool before I add MMO. I am sure I use more than is needed but compared to the cost of even a small it is cheap insurance.
The Marvel Air Tool Oil and MMO is NOT the same!
06-19-2013, 03:30 AM
#34
RE: Marvel Mystery Oil?
Years ago I asked George Aldrich what he used for an after run oil and he said "Marvel Air tool Oil"
Good enough for me and I've been using it ever since.
Good enough for me and I've been using it ever since.
06-19-2013, 05:31 AM
#36
RE: Marvel Mystery Oil?
Never had that problem. I have even used it to dry outa wet distributer cap, but to each his own and whatever works for you. My popcorn is all done now 
ORIGINAL: Sport_Pilot
Same as MMO, its just a cheap oil thined with mineral spirits. When the mineral spirits evaporats you have a very sticky oil that hardens. Makes a very good glue.
ORIGINAL: raptureboy
ok. Since WD-40 stands for water dispersant # 40 and was invented to prevent corrosion on Nuculermissles would it not work in our engines? You can buy it in a non aerosol can and pour it right in. It is the same thingas air tool oil and I have used itin my nail guns for years.
ok. Since WD-40 stands for water dispersant # 40 and was invented to prevent corrosion on Nuculer
missles would it not work in our engines? You can buy it in a non aerosol can and pour it right in. It is the same thingas air tool oil and I have used itin my nail guns for years.
Same as MMO, its just a cheap oil thined with mineral spirits. When the mineral spirits evaporats you have a very sticky oil that hardens. Makes a very good glue.
06-19-2013, 08:42 AM
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RE: Marvel Mystery Oil?
ORIGINAL: Dan Vincent
Years ago I asked George Aldrich what he used for an after run oil and he said ''Marvel Air tool Oil''
Good enough for me and I've been using it ever since.
Years ago I asked George Aldrich what he used for an after run oil and he said ''Marvel Air tool Oil''
Good enough for me and I've been using it ever since.
As an aside engines run on fuels with a good dose of castor never seem to rust.
Jess
06-19-2013, 08:46 AM
#42
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RE: Marvel Mystery Oil?
According to mmos web site the main difference between the air tool oil and the regular mmo is a heavy duty corrosion inhibitor in the air tool oil, I have also used the air tool oil for years in my engines and never had a problem. I know some guys in full scale who also use it in their two stroke ultralight engines as a additive to the regular mix.
06-19-2013, 09:34 AM
#43
RE: Marvel Mystery Oil?
ORIGINAL: 1QwkSport2.5r
I have a feeling you were using more than 0-5% nitro and didn't allow the crankcase to vent sufficiently. The result is the marvel oil basically coated the parts locking the moisture and any nitric acid residue in. A guy I know had the same exact thing happen with a .25FX. I don't recall what oil he used exactly, but I believe it was an automotive mineral oil. Filled the engine completely with oil, dumped it out and stored it. Bearings rusted solid.
I suggest venting the crankcase of 2-strokes for a few days (piston at BDC) before loading with oil. This is my practice, though I use 5% nitro in all of my engines except one. I rarely use anything for storage in the 2-strokes as the castor does a good job of keeping stuff rust free. My Enya 60-4C got filled and stored full of ATF for the winter. Turns smooth as butter
ORIGINAL: jmpups
I can't tell you that Marvel Mystery oil is good or bad to use as after run. The one thing I can tell you is that my first and last experience with this product was about 10 years ago when I thought I was doing A good thing with A OS108 motor that I wasn't going to use for a while. I fully lubricated the intake and exhaust ports with the Marvel oil, then put it in a plastic vacuum sealed bag. A year later when I opened the seal to use the motor I found a rusted solid frozen piston, the engine was completely seized up and useless. For what it's worth. jmpups
I can't tell you that Marvel Mystery oil is good or bad to use as after run. The one thing I can tell you is that my first and last experience with this product was about 10 years ago when I thought I was doing A good thing with A OS108 motor that I wasn't going to use for a while. I fully lubricated the intake and exhaust ports with the Marvel oil, then put it in a plastic vacuum sealed bag. A year later when I opened the seal to use the motor I found a rusted solid frozen piston, the engine was completely seized up and useless. For what it's worth. jmpups
I suggest venting the crankcase of 2-strokes for a few days (piston at BDC) before loading with oil. This is my practice, though I use 5% nitro in all of my engines except one. I rarely use anything for storage in the 2-strokes as the castor does a good job of keeping stuff rust free. My Enya 60-4C got filled and stored full of ATF for the winter. Turns smooth as butter
06-19-2013, 12:28 PM
#45
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RE: Marvel Mystery Oil?
ORIGINAL: toolmaker7341
ATF has resins to keep the clutchs from slipping after a shift. High performance ATF has even more resins. Not good for engines. Use air tool oil
ATF has resins to keep the clutchs from slipping after a shift. High performance ATF has even more resins. Not good for engines. Use air tool oil
BTW, a google search for "Ed's Red" will turn up a formula for a quite effective and quite inexpensive gun cleaning solution that uses ATF as one of the principle ingredients. The principle disadvantage of the mix is the rather industrial smell. Worth checking out if you use large quantities of bore cleaner.
Jess
06-19-2013, 01:01 PM
#46
RE: Marvel Mystery Oil?
I don't think the friction aditive is actually an resin. But an solvent that will cause the clutch to swell just a bit. But this is hearsay, I don't know for a fact one way or the other.
06-19-2013, 01:56 PM
#48
RE: Marvel Mystery Oil?
The few times I use ATF, my engines don't seem to care. It goes in liquid, and comes out liquid. It does a decent job loosening carbon up too.
06-19-2013, 05:20 PM
#50
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RE: Marvel Mystery Oil?
ORIGINAL: SteveR Rambin
Might not be a good idea to use Marvel Mystery Oil on a gas engine. From what I hear it will degrade the rings causing them to break.
Might not be a good idea to use Marvel Mystery Oil on a gas engine. From what I hear it will degrade the rings causing them to break.
How can oil degrade metal rings in a stored condition?