Right. Anyone who has never tried them will decry them and put forward all sorts of 'proof' that they cannot work. So when the pump in the tank of the wife's Voyager started to hum its death tune, I poured a pint of Marvel in the tank for dungz and giggles, figured I'd be dropping the tank soon enough anyway. Sometime they do, and other times that's the last you hear.) Reply to this topic . When piston engines passed by the wayside in the military, Shell Oil bought (Pack of 2) 1,388 $1776 $19.40 FREE delivery on $25 shipped by Amazon. MMO goes through MMO isno mystery. So the airport could hire a tanker truck to go to the terminal and I sometimes add twice that proportion to help with starting to cleanup any gunk in the fuel system and rings while running a car that has sat for a long time and there's no trace of smoky exhaust. Problem with regular Marvel Mystery Oil is that it will combine with castor oil residue and, over a period of time, form a hard red crud. 72 octane is the highest grade of gasoline that can be like the fuel. Robert Parker used Marvel Mystery Oil to reduce the buildup of lead Is Marvel Mystery Oil good or bad for your car? Websites 1997-2019 Daniel Ford; all rights More than that, he used it in the fuel with every fillup. Marvel Mystery Oil has been around for a long time and is used by many people. All your true octane booster that do any thing are toxic , highly toxic , which why they took them out of gasoline and will not sell you any . Many believe that when used correctly, it can do good things in your cars. I can't say if MMO enhances the fuel upon firing, but MMO may well aid sealing of valves, and rings at that critical moment when added rationale to fuel. Many users also stated that they would order this product again as it helps improve the fuel economy. And the mogas smelled! Seafoam charges almost double the price of Marvel Mystery. In terms of pricing, both fuel additives have a pretty significant difference. Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. Perhaps there is no consensus on this topic. there are two STCs on the market for mo-gas, EAA and Petersen. thanksStan. Won't hurt but you don't need it. 1. You don't need it, but if you trust your mechanic then there's no harm. I have also seen boaters with oil injected outboards run MMO in the fuel as an upper cylinder lubricant. The series ran for five seasons on CBS, lasting 158 half-hour episodes, all filmed in black-and-white.Creator/writer Carl Reiner had told the cast from the beginning that . I use it in everything but a modern car that strictly specifies premium. This in turn caused increased vehicle performance and fuel economy. MMO is basically mineral oil, thinner, and a dash of a chemical soap. Some will make it to the screen, but the engine passages and crevices and hydraulic lifters, and stores it The advantages of this additive are described in full below: This is an absolute must-have product if you wish to keep the internal components of your engine clean. EAA has an answer, after 5 different people and When the fuel in the tractor is about a month old, I drain and filter it then throw that into my '71 Chevy van. decide". Just a little correction here. It will double the life of rings and valves. because the gasoline comes from a region where ethanol is not used. I use an additive (CD-32)in my Judge with #12 heads. Some people swear by it, some people swear at it, sodly I'd converted to LPG and one of the valves simply ate away at the seat at an horrendous rate. You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. that are most common use MMT and are more like an octane booster. In very short order this one seat dramatically ate itself away. He explained why in a post on the Cub Builders mailing list, which I have adapted here with his permission. And of course, reduce wear to a minimum. powder. combustion, there is a chemical reaction between TCP and the lead in the However, I wonder what adding oils to the fuel may do if the engine is prone to detonation or ping, as if your engine "uses oil", that oil introduced into the combustion process usually actually increases detonation and/or ping. Product description. Just drive it on whatever gas comes out of the pump at your local gas station. DO NOT use it in vehicles equipped with catalytic converters. July 9, 2019 in General Discussion. Someone said MMO has been out for years, what more could you want? Marvel Mystery Oil. If screen type system, be sure to clean screen. So, by doing it before the seats fail, you are just doing something ahead of time that might never need to be done, and might cause a failure in the meantime. install one-half pint MMO. gasoline ignites, it is vaporized and soaks into the carbon buildup We are putting 89 octane in, and adding a can of lead substitute every tank right now. Understanding that the various brands of what I call 'tin canisters, which are marketed under many names, worked to save valve seats by leaching tin into the fuel, I ordered one. or intake manifold. Marvel Mystery Oil and Lead substitute. The "Turbo-Fire" 327, by comparison, had a 10.5:1 compression ratio. Drive with unleaded and be happy. It was buried in the hole over 4mm down (I kept adjusting the lash) by the time I changed the head. Both of them have a solid track record for keeping your engine system and fuel clean. Spray Marvel Mystery oil around the spark plug to ensure a good covering. But adding it to an engine with no issues offers no benefit and can actually create issues as it reacts with the materials some gaskets are made of. (100LL at 2.00 ml TEL) and you have the same 0.50 ml TEL that 80/87 But how does it work? This chemical is a petroleum-based fuel that provides long-lasting protection and can be used in a wide range of engines and machinery. I have wondered what adding MMO does to your 5w-20 as well. How much MMO do you use? Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. Your email address will not be published. What about the ones that haven't? Use non-ethanol if it is available. See for yourself. were taken off, the mogas tank was topped off with 100LL, and the Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. It's easy! It works with both diesel and gasoline engines. It thins the oil and dilutes it. Luckily, I still had the old one I had replaced during the tune up that 8 years before. All your true octane booster that do any thing are toxic , highly toxic , which why they took them out of gasoline and will not sell you any that does much good. Here's my scenario. about sixty miles from Portland, Maine, which happens to be the port where TEL had been identified chemically in the mid-19th century, but its antiknock effectiveness was discovered in 1921 by the General Motors research laboratory, which had spent several years attempting to find an additive that was both highly effective and inexpensive. I fitted another head which had good seats and valves, freshly out of the machine shop. Unleaded was just coming in on the Australian market then and I was told it did the same. A quart of MMO in the oil will help clean up a sludged up engine and free up piston rings that are stuck in the piston grooves due to gum and varnish. I also add it to my wifes gas engine fuel tank as a fuel system cleaner & lubricant.. Not documented, but everything about the vehicle leads me to believe it's accurate. "Mystery Oil", as it was originally called, proved to have other beneficial effects on the engine. Therefore, carbon deposits can be broken down and dissolved with the use of this oil additive. Most gas has about 10 to 15% these days.E-85 has as much as 85 % ethanol, but out west here it's more like e-40 or 50 . No problems. It had 69,000 when I got it, about 88,000 now. Marvel MM13R Mystery Oil. I had to study more of it than I wanted to in chemistry (which was never my favorite subject - but who knew it would have some practical use???) I have never had issues with even square port heads with valve recession and I rag the heck out of my cars and used to cruise around the desert at 120 M.P.H. Didn't even have cloudy gasoline in the carb. Simple. He spends his weekdays working for his garage and writing stories for oilsadvisor.com. And just a bit sideways, Before the boss and Midgely worked with lead their earlier experiments were with Ethanol but unlike TEL, ethanol could not be patented. The nonsense about "cushioning valves" and "preventing valve seat recession" was contrived by the oil companies in the face of the changeover to unleaded fuel. MM is not designed to burn and could create deposits around piston and ring grooves which cause scuffing. experience with mogas and, finally, by an email from Terry Lutz, expanding Others say a bit of Marvel Mystery oil in each tank is a good idea. I just knew I had thrown a rod! Start with the Scriptures. The only drawback I know of to using synthetic in older engines, is that it can make oil leaks worse. Not just before an oil change, but continuously. Ethanol much more readily evaporates then pure gas which basically can not get any more. MMO What does marvel mystery oil do? As it turns out, the valve seat recession occurred in engines that were run hard (such as towing and drag racing), and in ordinary street engines not so much. Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. does. My older brother ran an auto repair business back then and I was hanging around with other mechanicswhen I got involved withcars in the mid 60's. Thank you. If used properly, there are no harmful side effects of using Marvel Mystery oil at every fill-up. There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. This oil was very useful in older aircraft engines to scavenge lead deposits. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. When valves are beginning to stick, it will there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). It's more cleaner than oil. This makes sludge and corrosion accumulate and causes damage. The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. The rest is history. I also put a qt. It's your money. I have a 2010 2500 with a 5.7 Hemi with 200k and no oil leaks and does not burn oil, (knock on wood). When Marvel Mystery oil is applied, it can dramatically slow down this process. AFAIK GM never put better guides in the small block Chevy, they just kept drilling holes in the cast iron like they had been doing. You can also just pour the stuff into the cylinders and run the the Warbird's Forum know, so I called the 800 number on the side of the can. through directly through the carburetor while the engine is running. You If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". For years we raced methonal fueled sprint cars without top oil and dispite proper mantainance we rebuilt Hilborn fuel pumps 3-4 times a season. http://www.marvelmysteryoil.com/index.php/site/mmo/ Thanks. You know when you pull a magneto check at the runup area after What fuel or additives we are talking about depends on which SBC (the 275hp 327 was a really nice Impala combo but required premium fuel). a prop? If you ever do get severe valve seat recession, the cure is to install inserts. on cumbustion chamber walls, valve guides, around the valve stem, The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. there's some xylene in there, too. Cleaning firearms with Marvel Mystery Oil? Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. More than that, Marvel Mystery oil can lubricate engine areas that regular motor oil can not reach. It comes in different packages but you can buy a single bottle for less than $4. So if you run a multi viscosity oil such and 15w-50 you are changing the properties of the oil, and potentially reducing the oils effectiveness. It's confusing. Welcome to America, 2019, where everything is true and not true at the same time depending on what you already want to believe. '66 SBCs ranged from a 195hp 283 2bbl (regular fuel) all the way to a 350 hp 327 with many stops in the middle (could get a 375 hp in 65). This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. This engine still wears it's factory paint and decals so I'm assuming that it has never been apart. TCP to treat 10 gallons of gas. For every 10 gallons of gas, add 4 ounces of Marvel Mystery oil. Regular use can improve fuel economy. If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. Personally, I was sorry to see the mogas go, because I bought it Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. I presume this was about the most de-tuned version of the 327 (just my guess). This is in the 72 Wag (360). That fourth tank however, you will still have the spark plug Then some guy tells him that 2-stroke oil like he uses in his chainsaws would be just as good or better -- and maybe cheaper too. Therefore, important engine components will not be adequately lubricated. Marvels popularity soared as word spread of its effectiveness in treating all types of . Increases Gas Mileage. further need for TCP. So does Amazon if you click through to that store. So after a year or two, the STCs can put mo-gas in the tank 75% (TEL 0.002 ml) and 25% av-gas Back in 2016 I started having poor idle symptoms and stalling at stops. Use one pint Marvel Mystery Oil about 5 hours before oil change. spread around the valves, guides, and rings to keep things moving. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. It was at this time the government (EPA) started talks about banning it, that actually happened in 1996 although living in Los Angeles county leaded fuel was essentially gone by 1980. I believe 2 cycle oil may be more prone to fouling because it is meant to be burned. on a high time engine; about half TBO or less should be the The 'lead replacement petrol' wasn't doing any good at all. them my engine had quit and would they please send someone out to give me the fifth one says let me check and I will get back with you. N201MKTurbo. was going to eliminate lead completely. Keep on posting. off season, so there was never any problem with the carb gumming up. While dibromoethane was added to leaded gas to do the same, some lead oxide did stay in the engine. Not those other engines that were not really for the sans coulottes often had unusual ratings. And guess what? You can add Marvel Mystery oil in either the gas tank or the crankcase. Sale. I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. One of the hot rodding magazines (probably Popular Hot Rodding) built some engines and ran some tests. The leading theory is Just finished my third overhaul, this time I had to replace the guides for the first time and fix 15 cracks in the block. So, whats the truth? an answer for you. If the gas has Ethanol, I also add appropriate portions of Star-Tron. While some oils are suitable for use with metal parts, they do not work well with rubber components. But they're better at protecting their manufacturers from bankruptcy than they are at doing anything significant for your engine's long-term health. Can MMO be used as a lead substitute? With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? Your donations help keep this valuable resource free and growing. i have a 2001 astro van 6 cylinder vortec with 250thou on it.. i bought it a year old .. an runs like a spanked race horse.. use marvel EVERY fill up.. no knocks an pings ,, just flat out gets it..and with this gas today ,, corn gas junk,, you better use something for to help.. its the engine destroyer..i even use a 1/2 quart in my oil at oil changes.. Nice i really enjoyed reading your blogs. I've used both additives in vehicles ranging from a 69 GTO to a 99 Grand Marquis and have never had any complaints about either one. Then I can tell you it definitely improves the fuel economy. After a highway run and cool down, I started the car and a carbon dome broke loose in the head and started bouncing about the cylinder for a few seconds. It's primary purpose is to cool the cutters. -- It is possible that the people who have the most problems with gas are the ones who are also great price shoppers, the ones who will stick any nozzle in their filler to save 3 cents. This temperature can only be achieved in our small engines at Moving on ten or fifteen years, we were using 'lead replacement petrol', which had varying degrees of usefulness I'm told. In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. What's Customers Say About Marvel Mystery Oil. MMO is basicly automotive ATF. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. GM bought the rights to much of Pierce's work and hired him as a consultant. high manifold pressures the wartime engines were operating at, Tetra Ethyl I wonder if that's not the "secret ingredient" in MMO. had. My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. Sorry if this has been discussed before (I know it has been). The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. I'm skeptical of anything that claims to perform equally well in the crankcase *or* gastank. But, whileAMC said it could run on the new unleaded gasoline, they said that every forth tankfulshould be leaded gasoline. It is recommended that you use Marvel Mystery oil in your fuel system every time you fill up your vehicle. methanol - a "drying agent", I use alcohols to clean the greases, dirts, oils, such off machines used around fabric as they clean well, leave no real residue, remove all traces of oil or grease and don't transfer anything to the fabrics. It was used to scavenge trace and unburned particles out of the fuel after combustion. I think this gas additive hypeis more a necessity for sales thanbased on any actual need for protecting the engine. Unlikely that you'll see any notable damage to your pickup's engine using straight unleaded gas. that lead is added to aviation fuel to boost octane rating, and with the The . The lead subs. in the bottom of the oil kidney. Sitting around is no good for old cars or the fuel in them. Quote; Link to comment Share on other sites. Lower vapor pressures reduce emmisions of VOC in storage facilities and fuel tanks and fuels with high vapor pressures are not needed in modern high pressure fuel delivery systems. An 11-year-old girl in Detroit had to get staples in her head after .
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