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Does it work, is it effective? I saw a bottle in the store, was thinking about getting it but didn't get it.
I know many of you are ANTI-FUEL ADDITIVES and say their a myth. I'm not mechanic but after using a bottle of GumOut or something of the sort, my cars have kick to them. My uncle was a truck driver for over 30 years and swore by SeaFoam and others.
I used this back in my younger days thinking it was helping. Can't say it did, can't say it didn't. I do use it as a household oil though and it works great for that!
If you perform regular oil\filter changes, use quality gas and get regular highway driving, your engine will stay clean without needing any additives.
Yes and will not use it again. I am total Seafoam guy for years but tried MMO because of all the online hype. Engine became so noisy that I drained oil right away and replaced it. never again. There is also spray cleaner, B24 or something, that stalled my engine. That is remembered too.
MMO was originally developed and marketed as a penetrating/lubricating oil for the exhaust heat risers on cars of many years ago. It worked and was routinely used by many shops and motorists. I use it on the butterfly shaft in the exhaust brake on my diesel pick-up trucks, and it works there, too.
As well, my IA suggested I use it in my C182/O-470R Continental engine ... a couple of pints in 80 gals of AVGAS. It does seem to make the engine run a bit smoother. It has a steadier sound at cruise speed than prior to running the MMO. Again, this is subjective but when you're running an aircraft engine past TBO with success, every little nuance of good running/low oil consumption is appreciated.
I also recently used it in a long stored Deutz 2-cylinder diesel gen-set (9,000 watts continuous) acquired from a farm auction, probably not run in 25 years. The first couple of times I got the engine running, it was fairly rough and "hunted" under load. I then added a gallon of MMO to the 75 gallons of old diesel fuel in the tank. After an hour with the MMO in the diesel fuel, the engine started readily, idled smoothly, and ran clean and strong under load. Can't say for sure that it would have done so without adding the MMO, but it certainly didn't hurt it and I believe it helped the engine. As a general practice, I have added ATF Dexron to all the fuel filters I've changed on diesel engines for the last 40 years. Especially on the plunger type injection pumps, it does seem to clean them out and deliver better performance at that interval. I've used MMO for years for the same fuel filter prep, and it seems to work on the cars/trucks through the shop.
Look up the MSDS of the stuff, then decide if you really want it in your oil or fuel.
One of the Material Safety Data Sheets that I looked at said MMO contained:
60 to 100% Hydrotreated Heavy Naphthenic Petroleum Distillates (naphtha)
10 to 30% Tricresyl Phosphate (detergent)
.1 to 1.0% Ortho Dichlorobenzene (chlorinated benzene)
Less than .1% Para Dichlorobenzene (another form of chlorinated benzene)
Let's see...
Seems to me Phosphate detergents are banned in the United States. If so, you are putting an illegal detergent in your engine, along with Naphtha and gasoline (benzene).
It would perhaps be better to make your own additive:
At work, whenever a customer asks me what the "best" product is, I always have this statement: "Every product up here has people who love it and people who hate it." That pretty much sums it up. If you think it works, great. If you didn't like it, great also.
Opinions are like belly buttons, we all have them and each one is different.
Don
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