marvel mystery oil

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Originally Posted By: DmanWho
I've never tried MMO in the crankcase, but I use 6 oz. of 2/3rd's MMO & 1/3 Lucas Upper Cylinder with every Chevron w/Techron fill-up. I don't know if there is any MPG increase, but I like the lubricating properties nonetheless. Our SX4 is the first car I ever tried this in. It's pretty economical to do, but a little inconvenient. I need to get a small bottle to make it easier.


Cars now-a-days need all the fuel lube they can get to help the fuel pump and injectors last as long as possible, not to mention keep the valves clean and rings free.
 
Originally Posted By: Frank
I don't think i have ever seen a better explanation of "Solvents" & Auto-Rx" relating to cleaning of metal. Excellent presentation.


Why thank you Frank. I know that wasn't easy for you to say too.
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I'm not saying it doesn't change the oil's chemistry, all I'm saying is for something to be a "snake oil" so to speak and be around for as long as MMO has been, it must be doing something right.


Well, don't get me wrong here. The product, as you've said, has been around a long time. It's cheap and it has its uses. In fuel, I have no problem with it. I'm surely no expert on this subject ..but I do know that I saw no downside to it.

In oils, however, I think MMO is like a Motor Guard or a Frantz filter. Still doing the same job, but it's a little harder to get the gain out of them than it once was. For example, when OCIs were 2000 miles ..a tp roll and a quart was a great alternative. It still is ..but now you've got oil that can go 5000-20000+ on its own ..so you're down to (more towards) the better filtering to get your value. In the same sorta way, I think that MMO isn't needed for what it was intended to perform in the oil. Now you have synthetics and dinos with very broad VI ..etc..etc.
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Hey, pal ...I'm the type that doesn't put A1 on a juicy steak. I like it au naturale~.
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Originally Posted By: Gary Allan
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I'm not saying it doesn't change the oil's chemistry, all I'm saying is for something to be a "snake oil" so to speak and be around for as long as MMO has been, it must be doing something right.


Well, don't get me wrong here. The product, as you've said, has been around a long time. It's cheap and it has its uses. In fuel, I have no problem with it. I'm surely no expert on this subject ..but I do know that I saw no downside to it.

In oils, however, I think MMO is like a Motor Guard or a Frantz filter. Still doing the same job, but it's a little harder to get the gain out of them than it once was. For example, when OCIs were 2000 miles ..a tp roll and a quart was a great alternative. It still is ..but now you've got oil that can go 5000-20000+ on its own ..so you're down to (more towards) the better filtering to get your value. In the same sorta way, I think that MMO isn't needed for what it was intended to perform in the oil. Now you have synthetics and dinos with very broad VI ..etc..etc.
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Hey, pal ...I'm the type that doesn't put A1 on a juicy steak. I like it au naturale~.
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Got an extra steak, I am starving. lol. I do agree with you Gary. Oils have come a long way in the past 20 years and most of the time additives are not needed. IMO sometimes an additive is needed though. For instance, all of those sludge prone Subaru's and Toyota engines. My mother has one of the yota sludge engines (according to the VIN) and when I went up there to change her oil a few months ago, the inside of her engine looked as clean as it did when it was first assembled. Since day 1, I have run 1/2 qt MMO to 3.5 qts Valvoline dino. I am convinced if I had not used MMO since day one or close to the beginning of the cars life, then she would have been another victim to the yota sludge. A friend of mine from North FL bought the same year yota with the same engine family and w/in 50K, his engine was shot. I have been doing 4K OCIs on her car with no probs. So far, the car has 142K trouble free miles (knock on wood).
 
Please don't get me wrong either tackleberry.
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My daddy always told me, "make darn sure that you make your mechanics put MMO in your oil babygrl", and after I left home, he must have asked me a thousand times if I was still faithfully putting MMO in my gas tank.

I am going to tell on myself now. Fred Flinstone lived right next door to us. I mean, there was no such thing as stereo, when I was growing up. We had a 'hi-fi' and black and white TV. I remember when Corvettes first came out, and I well recall how dreamy the older boy up the street was who had one.

MMO is knock down drag out GREAT for soaking parts, and it will thoroughly clean exhaust valves, piston tops and squish area sidewalls, in even a really carboned up engine if used regularly in gas.

No disrespect intended at all dear.
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I just wont put in my crankcase anymore is all.
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It's all good and no harm done. :-) As I said before, some people swear by it and some swear at it. Some use it in everything from their weedeater to their $100K car. Some don't even like to walk by it at the auto parts store. It is not for everyone. I have seen that stuff work wonders in new and old cars. It fixed my fiancee's tranny in her Civic within 500 miles because a valve or something was sticking causing the tranny not to shift out of second gear. Because of the things I have seen it fix first hand and the problems it has kept me from having, I contiune to use it. Use what makes you happy weather it's Crisco, Synthetic, or dino. Change your oil everyday or once every 50K. Whatever floats your boat. Until next time, Happy Motoring. :-)
 
As the name MMO implies, it is still a mystery as to how or why it works for so many stubborn automotive problems. Like Oilgal, I too grew up during the muscle car era, I Love Lucy, and The 3 Stooges! My Dad always had lots of MMO in the garage. I think MMO and CD2 were his favorite additives to go into the Pennzoil and Quaker State motor oils that he put into his cars. He would have been an outstanding, addicted BITOGER IMHO.
Just like Tackleberry has alluded to, whenever I mention MMO to any sage mechanic, their responses are all very similar. Their facial expression relaxes and they breath a sigh of relief with an easy smile, stating that MMO has saved their a$$ more than once.
My own personal experience with MMO has only been recent. For years I have been convinced that my 2000 Tundra V-8 had either a cracked exhaust manifold, or maybe bad carbon buildup causing loud pinging when I accelerated hard. The stethescope showed no crack, and all the fuel system cleaners and octanes in the world did no good. Then enter MMO into the gas tank about 5K miles ago. The noise is gone now, as long as I continue to use it as directed on the bottle. Now, you have to visualize my facial expression!
Will I ever put it in the crankcase? I don't think so, but I will never say never with MMO.
My recent UOA with Dyson (1.46% fuel dilution) shows no ill effect to the bearing wear rate, as Terry states he would have expected from this product. He suggests that the formula may have changed. He has two other products that he prefers over MMO as a fuel lube.
Great discussion on a mysterious product. In honor of my late father, I'll say "when nothing else seems to work, try MMO. It won't hurt"!
 
It is mysterious how, why and even "if" it actually works, in some people's eyes. Generations of mechanics can't be wrong about the stuff. Glad it has worked for you and your father. Good luck with your Tundra. I have a 02 with 72K, so far so good. Happy Motoring.
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Generations of mechanics can't be wrong about the stuff.

How about those same generations that swear Pennzoil will sludge your engine, ATF has more cleaning power than motor oil, 5W20 will kill your engine...

And adding MMO to the Grp I oils of the 50s and 60s was not as big a deal as adding it to modern GrpII or III oils since the Grp I's already had a lot of aromatics and naphthenics. Engines were also considerably dirtier and less efficient than modern cars. So what worked for you father or grandfather back in the day has little to do with current chemistry.
 
BOY HOWDY! Didn't realize I was going to get so much going on this subject when I started it. Anyway, I decided not to put MMO in my vehicle, BUT I did put it on my corn flakes this morning and my insides sure are running smoother now and it did clean me out!! Take care everyone!
 
Originally Posted By: Tempest
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Generations of mechanics can't be wrong about the stuff.

How about those same generations that swear Pennzoil will sludge your engine, ATF has more cleaning power than motor oil, 5W20 will kill your engine...

And adding MMO to the Grp I oils of the 50s and 60s was not as big a deal as adding it to modern GrpII or III oils since the Grp I's already had a lot of aromatics and naphthenics. Engines were also considerably dirtier and less efficient than modern cars. So what worked for you father or grandfather back in the day has little to do with current chemistry.


I never heard about Pennzoil gumming up an engine but I have heard that about QS (bubble gum in a can). As I said earlier, some people swear by it and some people swear at it. If you go to their website and read testimonials about it, there are "old school mechanics" that used it when they were growing up in their "dirty engines" and still use it today in new cars. Also, cars now-a-days are designed to run hotter for emission purposes than they did in the good old days. Back in the 70's people would pull there 180 degree thermostats out and put 160 or 165 degree thermostats in because the cars made more horsepower when they ran cooler. That is why they sold the fan spacers to get the fans closer to the radiators to pull in more air. Since engines run hotter today due to design, they can break down oil a lot faster, depending on the type of driving the person is doing. If someone pretty much does only highway driving then IMO they do not necessarily need MMO. IMO, if someone does strictly bumper to bumper, heavy traffic driving day in and day out, MMO will help the engine IMO. Again, these are my opinions. I am going on what has worked for ME before and now. If someone uses MMO that’s great. If they don’t, I’m not gonna loose any sleep over it. It’s your choice.
 
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IMO, if someone does strictly bumper to bumper, heavy traffic driving day in and day out, MMO will help the engine IMO.

Why? We are not seeing this "break down" as you say in UOA's on this forum. The biggest problem with short trip, stop and go driving is fuel dilution...which is an aromatic. Why would adding more aromatics to the oil be beneficial?
 
Originally Posted By: Oilgal
. . .

I am going to tell on myself now. Fred Flinstone lived right next door to us. I mean, there was no such thing as stereo, when I was growing up. We had a 'hi-fi' and black and white TV. I remember when Corvettes first came out, and I well recall how dreamy the older boy up the street was who had one.


Ah, yes, the dim and forgotten time . . . when pterodactyls soared above the earth and we had only 3 networks (plus PBS -- then known as NET)!!

I spent my childhood and adolescence in that same wild land, so I know whereof you speak.
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In many ways those were great times Paul. I never saw a parking meter while growing up, and there was no such thing as traffic jams. Our phone number was a mere four digits, and there was no such thing as zip codes.

In our town, the local dairy delivered fresh, ice cold, unhomogenized milk in large glass bottles with little paper lids. You had to shake them to mix in the cream which rose to the top. Likewise, the local egg ranchers delivered fresh eggs, and the local bakery delivered fresh bread and pastries of all kinds. Every once in a while, our family doctor would also drop by, just to check up on us.

I think, iirc, gas was between 16 and 20 cents a gallon, and the station attendants would rush out to wash your windshield, check your oil, battery and tires, as they pumped your gas for you. Many gas stations also gave you dishes, drinking glasses or some such, just for patronizing their pumps also.

Have things ever changed.
 
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