Marvel mystery oil in modern cars That era’s chemistry rewarded solvents; today’s precision engines punish them. Welcome aboard, nurse! You know it used to be normal to check and top off oil at every fuel up. We did the top end 2 years ago and didn't se any reason to change products. The original cran Nov 9, 2014 · Is Marvel Mystery Oil® safe to use in today’s “high-tech” cars? Yes! Marvel Mystery Oil is completely safe in today’s high-tech cars and provide the same benefits as it has since 1923-cleaner engines, upper cylinder lubrication, reduced acid and sludge build up, improved fuel economy, clean and lubricated fuel systems and many more! Yes! Or is marvel mystery oil safe for modern engines check the video out as we tested it in the past. He's owned it for a few years now. They come with owner's manuals for a reason. Here are all the chemicals that are in it, what they do, and what it adds up to for your car. Nov 23, 2008 · Does 1 quart of mmo added to 10w30 engine oil change the viscosity numbers? Jun 3, 2014 · I usually watch Scotty Kilmer on YouTube, and noticed he commented that you shouldn't use MMO in a modern car because it ruins the catalytic converter. So I'd venture to guess that's a good product too. I KEEP UP TO SPEED WITH MMO Enter your email and we'll let you know of our latest news! May 14, 2024 · Marvel Mystery Oil has loyal fans for its promising performance benefits and engine-healing capabilities. my car does seem Aug 9, 2015 · Been using it ever since my 01 taco turned 2 year old 1 quart every oil changed and pour 3 ounces into the gas tank every 4 months Marvel Mystery Oil works like magic. my friend over at auto zone said put in this marvel mystery oil. 0TSI and 4Motion Mar 21, 2022 · I'm using Havoline Dino oil still, had the valve covers off on all three cars in the last year. Get yours online today and pick up in store. I’ve used marvels mystery oil from anything to loosen sticky lifters to adding to my oil for pre-oil changes to get any sludge out and even used in my air tool set,&to loosen parts up still use it to this day Unlike some products that simply burn up and billow out your car’s tailpipe, Marvel Mystery Oil offers long lasting protection to your car’s hard working engine, by cleaning and adding a lubricating layer unparalleled by the other so called “Fuel & Motor Treatments”. Marvel Mystery Oil is a petroleum-based product designed to be used as an additive in either your engine or fuel lines. Besides cleaning the fuel system, it can improve your car’s gas mileage. It wont. Mar 22, 2024 · Marvel Mystery Oil is formulated with a unique blend of petroleum distillates, detergents, friction modifiers, and corrosion inhibitors. However, others may see Oct 23, 2025 · Find out if Marvel Mystery Oil lives up to the hype, its engine protection benefits, and how it can improve performance and longevity. In severe case I revived a sticky 2JZ-GE VVT solenoid by letting it soak in Berryman B12. " I've started using the new full synthetic Marvel Mystery Oil in our cars, and have started recommending it for customers here as well. I have used Marvel Mystery Oil in the fuel on my vintage 1975 Norton Commando 850 motorcycle since I bought it new in 1975. Nov 4, 2025 · Marvel Mystery Oil earned its name when engines ran thick mineral oils and loose tolerances. In general, I like additives that have been around forever and don't promise too much. Buy products such as Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz. Jun 29, 2025 · The auto parts aisle is usually teeming with names like Lucas, Seafoam, Marvel Mystery Oil, and STP screaming from the shelves like they're the last line of defense between your car and the scrapyard. Jun 23, 2010 · Now, assuming it was my car, what do you think that sound would be coming from? Do you think the Marvel Mystery Oil could have caused an autoignition (I have heard an autoignition before but it didn’t sound like it- autoignition tends to have a more dieseling kind of sound). Marvel Mystery oil changes the viscosity of the oil and can also affect the additive packages in today’s oil. It is a product that is designed to be used in engines, and it will help to keep your engine clean and running smoothly. Marvel Mystery Oil can be used in all diesel engines upto the 2007 model engines. Marvel Mystery Oil Overview Purpose of Marvel Mystery Oil Marvel Mystery Oil is like a superhero in your car’s engine! Imagine it’s a special lubricant designed to protect and enhance the performance of your vehicle’s internal components. Add Marvel to your gas tank to restore overall engine performance since it provides superior cleaning, reduces wear and tear, creates top end Dec 10, 2021 · If you add Marvel Mystery Oil, it may take time before the oil penetrates and dissolves the gunk. GM bought the rights to much of Pierce's work and hired him as a consultant. Anyone here use additives? I believe in Marvel Mystery Oil. 3L Vortec V-6 on Marvel Mystery oil in hopes of clearing an EGR that was acting weird. Jul 7, 2004 · About Marvel Mystery Oil Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. Rislone’s formula is designed to stay in the crankcase for the entire oil change interval, typically 3,000–5,000 miles, working slowly to clean without overwhelming the oil filter. It is a petroleum-based product that can help to lubricate and clean your engine. Small deposits fell into my drain pan. Marvel Mystery Oil was formulated shortly after World War I by an automotive engineer named Burt Pierce. Sep 29, 2023 · Yes, you can put Marvel Mystery Oil in your gas tank. Depending on your needs, it's available in 16-ounce, 32-ounce, one-gallon, five-gallon or 55-gallon containers and can be used in conjunction with synthetic blend and full-synthetic oil products. As all of us know on here, an engine with poured bearings is a different animal than an engine with precision insert bearings. we even tried stp oil treatment even the stp engine flush. Marvel Mystery Oil completely revived an engine with ZERO compression. Marvel Mystery Oil was introduced back in the days engines burned a lot more oil and gasoline and engine oil had no cleaning additives. A: Marvel Oil Company recommends replacing between 10 and 25 percent of your motor oil with MMO. We’ve also provided step-by-step instructions for using Marvel Mystery Oil and explored alternatives to the product. He always poured MMO in the crankcase at each oil change and sometimes put it in the gas tank. :thumbsup: Marvel Mystery Oil proved to have other beneficial effects on the engine. I have used the gas treatment,,did not notice any difference but you know what? I have never noticed any difference with any additive in the fuel in a car that was running well the than one that was used as a UCL during breakin last summer. If you want to have a clean engine & fuel system run Top Tier Gas (GM recommended) & Dexos labeled oil (GM Required). Let's Check out the "New" Marvel Mystery Oil. Norm May 25, 2005 · Originally Posted by ARCOgraphite Anyone use this junk on a modern car? My 20 year old Honda CR-V likes it. Jul 13, 2025 · Despite the name, Marvel Mystery Oil isn't such a mystery. Sep 9, 2023 · Yes, you can put Marvel Mystery Oil in your oil. Regular use can lead to Jul 24, 2025 · Among the various products available in the market, Marvel Mystery Oil has gained popularity for its ability to clean, lubricate, and protect engines. Thank you in advance, Techniker After 100 Years, Marvel Mystery Oil Has Changed. The Truth About Marvel Mystery Oil for Your Car, DIY and car review with Scotty Kilmer. This oil prevents bad gas millage by eliminating and dissolving fuel residues in fuel injectors and carburetors and lubricating and cleaning pistons, intake valves, and cylinders. Jun 3, 2025 · If you have a modern car with an advanced system, we highly recommend using Marvel Mystery Oil 50665 Ultimate Fuel and Motor Treatment. The question is which of these fuel additives is capable of better performances. Sep 15, 2022 · The more you use the vehicle, the more dirt it accumulates due to the indirect action of Marvel Mystery oil. Apr 27, 2019 · Marvel Mystery Oil might be an unfamiliar product, but if you love your car, there are plenty of reasons to pick up a bottle and start using it. Jun 1, 1999 · Dear Tom and Ray: My dad, who knew more about cars and engines that anyone I ever knew, swore by the benefits of Marvel Mystery Oil. Most of the older bikes use air-valve type carburetors. Pierce invented the Marvel Carburetor, which became standard equipment on 80% of all vehicles produced after WWI (1914-1919). The oil can also be used to help break down deposits that have built up on engine parts over time. Watch and learn how Marvel Mystery Oil can be added to your fuel to help with top cylinder cleaning, lubrication, cleaning injectors and preventing valves fr Mar 17, 2008 · I suspect many people who chime in and call it snake oil or opine that it has no relevance in modern engines have had no experience ever using it. Is Marvel Mystery Oil Worth It? Marvel Mystery oil is a fuel additive that vast numbers of vehicle owners use. No cable box or long-term contract required. Learn the right ratio, step-by-step instructions, and tips to keep your fuel system clean. dont know if anyone has used it or heard of it to get input on it. com. Change oil between 3000 - 5000 miles. While there is no definitive answer to whether Marvel Mystery Oil actually works, many car enthusiasts swear by it. Parts are just part of what we do. About 3 years ago I made a video on it and it still gets views, and comments. USE Jan 22, 2025 · I would recommend to ALL owners of pre-Testarossa cars to add Marvel Mystery Oil to your fuel at the recommended dosage of 4oz/10 gals. Never had a oil or fuel system failure in any of my GM cars, with well over 100,000miles. We would like to show you a description here but the site won’t allow us. I've used it in gasoline to clean the crud out of a (Toyota) Chevy Nova and it did get things cleaned up after about 3 or 4 Nov 13, 2002 · Al I believe he is talking about the Marvel gas treatment ,not the Marvel oil that can also be used in gas or oil. Mar 7, 2023 · Because the fuel injection technology of old diesel engines was much less efficient than modern ones, adding Marvel Mystery Oil to your fuel can help break down deposits and other contaminants that can build up over time. Cancel anytime. Mar 31, 2021 · I used a full quart with every oil change for years in a couple different cars with no problems. All Rights Reserved | Donation Requests | Terms & Conditions | Privacy Policy | Cookie Policy | SDS COLD WEATHER STARTS ADDED TO ENGINE OIL: Add Marvel Mystery Oil to up to 20% of crankcase capacity to improve oil flow and prevent oil thickening in sub-zero temperatures. . Safe for use in a vehicle that has a catalytic converter. Have you noticed not a single modern vehicle recommends fuel or oil additives in their manuals? I wonder why. About the time I got my Jeep 4 months ago I became interested in MMO due to good reviews here and elsewhere, so I started sporadically adding a little to gas now and then. What Is Marvel Mystery Oil? Sep 3, 2012 · marvel mystery oil Model A (1928-31)Sponsored Links (Register now to hide all advertisements) 2. it has a good reputation and actually works they say. MSN Our range of gasoline based motor oil, designed to provide engine longevity and prevent rust and corrosion during inactivity. A key feature is that their oil forms a tight top ring seal Jul 27, 2021 · In a couple cars I had to resort to Marvel Mystery Oil for VVT solenoid cleaning, and it worked in few hundred miles. Many car owners use Marvel Mystery Oil as a preventative maintenance measure to keep their engines Marvel Mystery Oil helps unleash maximum power and performance while extending engine life. But is Marvel Mystery Oil good for your engine? In this article, we will delve into the world of Marvel Mystery Oil and explore its benefits and drawbacks to help you make an informed decision. I will be picking up the rebuilt engine for the 1916 D-45 toward the end of March. It's the pristine one and my wifes pride and joy. Does Marvel Mystery oil work? Do engine oil additives work? How to use marvel mystery Jun 17, 2025 · Marvel Mystery Oil cleans engine carbon buildup, boosts performance, and is safe for use in various engine types. I wouldn't put it in the fuel, go with the Seafoam or Lucas. I suggest you stick with modern science embodied in the fuel and lubricants currently available. Feb 10, 2025 · Marvel Mystery Oil can be used in a wide variety of engines, including those in cars, trucks, motorcycles, boats, and lawnmowers. Jul 7, 2008 · So what is MMO ? I have never used it, and I do not see any need for it in my personal fleet. Get to know how these additives can truly enhance your car's performance. Some folks are worried that Marvel might damage a modern car's Catalytic converter, or other components. For best results in preventing or reducing metal wear, do not introduce other oil additives, Use 100% MARVEL CLASSIC VINTAGE MOTOR Oil in crankcase. Lucas engine oils. Feb 24, 2010 · MM might be a little hard on rubber and nylon parts over the years iv tryed most all engine additives,,, (mostly in customers autos) what i add to my classics are Motor Honey in the crank every oil change ( and if i need oil between oil changes i use Motor Honey,,, oil i use is Valvoline MaxLife 10w40) Shop for Marvel Mystery Designed for Synthetic Motor Oil Treatment 16oz with confidence at AutoZone. Jun 21, 2013 · After I changed my timing belt, seals so on and so forth and changed the oil and put 1 qt of marvel in and drove the car a week which was only about 275 miles. Product Jan 10, 2025 · Learn how to detect it through visual inspection and smell tests. Marvel Mystery Oil is one product with a variety of uses and benefits. Marvels popularity soared as word spread of its effectiveness in treating all types of engine ailments and was used extensively in WWII on everything from airplanes to battleships to tanks. we use different cars Toyota Hyundai i changed the oil on my car today. Over Sep 7, 2010 · Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile May 20, 2010 · If you are doing a fuel injected car, put half the bottle in the gas tank and the other half in the vacuum line from the brake booster to the intake manifold. It will prevent the buildup of carbon deposits, and your engine will be more powerful. Also, some classic car owners actually recommend a few oz of marvel mystery oil in every fill up to provide upper cylinder lubrication since these old engines where designed to run on leaded gas. It does in fact have a mild solvent and lubricating property to the formula. Marvel Mystery Oil changes the viscosity of the oil and can also affect the additive packages in modern oil. The company started in 1923 and has since prided itself on giving your engine more power. Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. Read for the long-ish story, or scroll down for the tl;dr. i put it in both my oil and gas cause it is good for both. Marvel mystery oil safe for modern engines? See for yourself. An average passenger car tank is 15 gallons, so you would add 6 ounces at every fill-up. B. Adding 4 oz to a full tank of gas keeps injectors and valves clean. Jun 29, 2025 · We’ve discussed the importance of using the right oil treatment for your car, the benefits of using Marvel Mystery Oil, and the potential drawbacks. Stay safe with proper precautions. I do a lot of automotive work. Marvel Mystery Oil also improved gas mileage and minimized engine wear. Feb 19, 2019 · Is it worth adding marvel mystery oil to my fuel tank every other fill up or so as a schedule maintenance plan? I have no fuel problems I'm just wondering if it's worth it to prevent problems arising in the future. Marvel Mystery Oil Question Model T Ford Forum: Forum 2010: Marvel Mystery Oil Question By Charlie Owen - Elizabethtown, KY on Wednesday, May 05, 2010 - 03:39 pm: Several posters have recommended adding this product to the gas and the oil. By creating a top ring seal, it produced higher compression and by preventing blow-by on power strokes, it resulted in more power. Is Marvel Mystery Oil Good in the Gas Tank? Marvel Mystery Oil is a petroleum-based product that has been used for over 100 years as a lubricant, fuel additive, and […] Nov 27, 2023 · Witness the ultimate showdown, Marvel Mystery Oil vs. Added to gas it cleans and lubricates fuel injectors and carburetors, improves gasoline mileage, extends spark plug life, reduces and prevents varnish and gum build-up. Mar 1, 2008 · Answer: Marvel Mystery Oil will not harm mod e rn electronic fuel injection components or oxygen sensors, and, in fact, is safe to use in your newer cars. ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Ultimate Oil to every 10 gallons of gas or diesel. M. It combats rust and corrosion within an engine, as well as lubricating a number of the motors working parts. He said: "Everybody is different. Also does Marvel mystery oil work? MMO What does marvel mystery oil do? These are all questions we answer in this video and previous To best answer that and on behalf of the many enthusiasts and neophyte or soon-to-be Classic car owners reading our blog, we need to go back to the 1920's and Marvel Mystery Oil founder, Burt Pierce. Our Marvel Mystery Oil vs. Most posts were about using it in the oil. However, if you are primarily interested in keeping your fuel injectors clean, you can occasionally add Marvel Mystery oil. It was going great and smooth, until 40 Jul 7, 2004 · About Marvel Mystery Oil Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. His cars always made it to 200,000 miles. Jun 30, 2011 · I'm now using Marvel Mystery Oil in the gas, carefully mixed at 4 oz per 10 gallons. Dec 16, 2023 · Here’s an interesting video from Uncle Tony that describes the benefits of Marvel Mystery Oil for both classic cars and modern vehicles: Kenny Bee Jul 6, 2023 · Discover the benefits of adding Marvel Mystery Oil to gas for smoother engine performance. I had found that MMO, at the very least, when added to the gas, will help lubricate the fuel pump That's a lot more modern than the cars Marvel Mystery Oil was designed for. Shop for Marvel Mystery Oil . mobile app Jan 4, 2016 · Just for S&G I put a gallon of Marvel Mystery Oil in my ~30 gallon gas tank of 1995 Chevy Tahoe before fill up. The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. Sep 19, 2006 · A Harley mechanic recently told me he puts some Marvel Mystery Oil in his gas tank at every fill up. They know what they're doing. Any recommendation of how much to add to both the gas and oil. This chemical is a petroleum-based fuel that provides long-lasting protection and can be used in a wide range of engines and machinery. Marvel is a light oil with added detergents, often used to clean deposits from rings, lifters, and injectors over time. Aug 27, 2024 · The issue is more on a modern engine. Now here's the test I conducted. Do not exceed recommended usage. Unfortunately no MPG gain yet, while some of my other cars did gain some. Will Marvel Mystery Oil harm a modern engine? My 1997 Ford Ranger has developed an occasional noisy lifter problem that the Oct 23, 2025 · Find out if Marvel Mystery Oil lives up to the hype, its engine protection benefits, and how it can improve performance and longevity. No additives to oil are needed anymore and the only gasoline additives needed are to clean the fuel system. Definitely smoothed out idle vibrations after running a can through the oil crankcase, and running 4oz MMO per 10 gallons of gas every tank. He has the same bike as I do-1988 FLHS Electra Glide. marvel mystery oil works on modern car? watch scotty Kilmer the truth about marvel mystery oil in your car its a great video and watch my video i try to show scotty nates real truth about marvel Marvel Mystery Oil and Seafoam are versatile additives. Oh, it loosened up carbon alright, and totally plugged the EGR screen with little carbon rocks! STEPS Use only with a new oil filter. Dec 18, 2014 · Marvel Mystery Oil Alternatives Other products, such as Marvel Mystery Oil, come in a bottle; the liquid can either be added in the fuel mixture or glugged straight into the throttle body. Based on years of experience and from the […] Dec 29, 2007 · "Marvel Mystery Oil is registered with the Environmental Protection Agency as both a gasoline additive and a diesel fuel additive. Whether it be a gimmick snake oil, it's relatively cheap and through my experiments has proven to have mysterious qualities. 9L consumed oil at the same rate, but was otherwise very reliable. Welcome aboard, nurse! There is nothing there that your engine needs, and that 1920's era snake oil additive has absolutely no real factual test data to support any of the multitudes of claims made for it over the years. Marvel Mystery Oil. Mar 26, 2019 · Product Description Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. Today, Marvel Mystery Oil provides vehicle 3 FOR 2 - ON ALL MARVEL MYSTERY OILS All Products Home PRODUCTS All Products Sort by Name, A-Z Get your Marvel Mystery Oil 16oz at Theisen's Home Farm Auto today! Shop online or in a store near you. But as a seasoned mechanic, I’ve worked with the additive over the years and frequently saw people concerned about potential Marvel Mystery oil problems and uncertainty about using the oil in their vehicles. Today, Marvel Mystery Oil provides vehicle Feb 15, 2013 · LOL, adding "mystery" oil is not preventive maintenance. If you get your oil changed at a "quick-lube" facility, bring a quart of Marvel with you and ask them to add it to your engine in lieu of one quart of traditional motor oil. :-P Modern turbocharged cars still consume oil at this rate or greater. Jul 10, 2023 · Here are a few good reasons why a car or truck owner should always use a bottle of Mystery Oil when filling the gas tank or changing the oil. Our range of gasoline based motor oil, designed to provide engine longevity and prevent rust and corrosion during inactivity. See full list on vehiclefreak. Some claim that it has helped to restore old engines and improve fuel efficiency, while others say that it has helped to reduce engine noise and improve overall engine performance. The new 2007 engines are designed to run on ultra low sulfur fuels not to excede 15 parts per million sulfur. Yes I also changed the filter. This will add lubricity to today's "dry" fuels and help the valves in the both the mechanical and electric fuel pumps seal better, thus helping avoid vapor lock. Newest car I used it in is 2013 Volkswagen Tiguan, 2. Jun 27, 2025 · The oil darkened noticeably by the next change, a sign it was pulling gunk out. Listen to the manufacturer. Add Marvel to your gas tank to restore engine performance. The diesel oil has a zinc additive that older flat tappet cams need. It can go in oil, it can go in the fuel tank as well, so my thought is that at best its harmless . Jun 24, 2021 · We evaluate the two top fuel additives to determine which is best for your car. From Wikipedia: "In an NTSB post aircraft accident investigation published in 2003, it was reported that Marvel Mystery Oil was composed of 74 percent mineral oil, 25 percent stoddard solvent, and 1 percent lard. However, its composition and the way it is used can have varying effects on the engine. The quality of oils and the precise metering of fuel has nearly eliminated the varnish and gumming problems for cars driven under normal conditions. Sea Foam showdown examines the nitty gritty. Despite the name, Marvel Mystery Oil isn't such a mystery. Marvel Mystery Oil, although discouraged for use in modern diesel engines equipped with DPFs, can increase the HFRR to unsafe levels, potentially causing fuel system damage. Mar 25, 2024 · Discover the origins, composition, and how to use Marvel Mystery Oil for engine cleaning and lubrication. Marvel Mystery Oil Available for gasoline, biodiesel, diesel, and conventional or synthetic oil, Marvel can do it all. Mar 2, 2016 · Everybody knows of Marvel Mystery Oil. How? Alright, here goes. For example, if the crankcase capacity is 5-quarts, add 4 quarts of your favorite motor oil and one quart of Marvel Mystery Oil. Why bother ? Dec 24, 2023 · When using Marvel Mystery Oil or transmission fluid with Diesel Particulate Filters (DPF), consider the differences between the two products. 1993,1995 and the 2004 May 22, 2007 · I did a search but couldn't find much about MMO used in the gas. at Walmart and save. Sep 9, 2023 · What Does Marvel Mystery Oil Do to Your Fuel? Marvel Mystery Oil is a petroleum-based product that has been used for decades as an all-in-one lubricant, fuel additive and cleaner. © MARVELMYSTERYOIL. A. In our Marvel Mystery Oil vs Sea Foam comparison, we are going to take you through all of the most important aspects of both of these two So a guy at a car cruise told me he runs diesel oil and Marvel Mystery Oil in his 67 Buick I ran that by a friend of mine that is an ASE Master Mechanic. I changed the oil and filter again today and it was very dirty. The only Mystery is why so many people fell for it. Mar 3, 2006 · Marvel Mystery Oil, from the makers of Turtle Wax, is the ultimate in engine protection. Its unique formula, shrouded in a bit of “mystery,” includes a blend of oils and solvents that work to dissolve sludge, free up sticky lifters, and reduce engine wear. marvel mystery oil & lucas oil stabilizer safe for new cars? lucas synthetic oil stabilizer pure synthetic is one of the products we use along with mmo to see if they destroy a modern car engine Aug 29, 2024 · The issue is using it as an oil additive on a modern engine. He said this protects the bike against the reformulated higher octane ethanol-added gasoline we get in the Milwaukee area. I use Shell Rotella T-4 10W30 in the 60's cars I take care of. Jul 29, 2025 · Marvel Mystery Oil Website says - Their Ad: Marvel Mystery Oil helps unleash maximum power and performance while extending engine life. You can get some here: https://amzn. Nov 19, 2013 · Like several other similar products that date back several decades Marvel Mystery Oil seems to be a legitimate detergent additive that will reduce varnish and gumming in an engine. to/46QCm0l Don't forget to check out my second channel Dec 17, 2012 · For pure sh*ts and giggles, I overdosed a 4. Jan 20, 2024 · 2024 hd3500 duramax, does anyone have an opinion on putting marvel mystery oil in a brand new diesel to help fuel economy?? i have heard both some say use it right from the beginning some say dont use it on newer diesel engine. Feb 12, 2020 · I am going to start this new thread with a really technical question. Today, Marvel Mystery Oil provides vehicle Mar 31, 2021 · I used a full quart with every oil change for years in a couple different cars with no problems. It contains special detergents and solvents that work to dissolve and remove deposits, varnish, and carbon buildup that can accumulate over time in the fuel system, including the fuel injectors. There is nothing there that your engine needs, and that 1920's era snake oil additive has absolutely no real factual test data to support any of the multitudes of claims made for it over the years. Is there any truth to this? Save on Marvel Mystery Oil at Advance Auto Parts. Buy online, pick up in-store in 30 minutes. In the time that he's owned it, he's done oil changes on time. This will clean out all the carbon and make a bad ass smoke show for you to make your neighbors mad with. It may be mostly kerosene, but at least it smells good. Aug 9, 2009 · Adding engine oil additives is BAD. It is said to improve engine performance and extend engine life by keeping the parts clean and well-lubricated. Mar 7, 2023 · This article explains why you may not need Marvel Mystery Oil in your transmission and when it can actually help you with the vehicle. Jun 16, 2025 · Marvel Mystery Oil, or MMO, — to the uninitiated, it may sound like a magical substance concocted from secret ingredients, and in some ways, that's exactly what it is. Nice and clean. Thanks for your help. Marvel Mystery Oil#MarvelMysteryOilLive TV from 100+ channels. Has anyone had Mar 19, 2021 · If you want your car to last hundreds of thousands of miles, using the best oil additive may help get you there. I used to work as a technician for Saturn and their 1. Apr 19, 2014 · I've used Marvel Mystery Oil in my gas and oil in previous Subarus. Dec 6, 2010 · I use mystery marvel oil all the time in my four-wheel drive truck in the gas tank and it has improved my gas mileage two to three miles per gallon May 25, 2005 · I often hear people say anything with oil in it, which would include marvel mystery oil , gumout fuel system cleaner, lucas ectlowers the fuel's octane, but I thought lower octane fuel is easier to ignite, not harder, would anything added to fuel (such as pale, light oil in some fuel Nov 28, 2002 · If you Google Marvel Mystery Oil, you get some interesting stories and uses. My boyfriend has a 2006 Scion XB with 147k miles. The analysis showed it was not burning Feb 8, 2022 · Marvel Mystery Oil offers long lasting protection to your car's hard-working engine, by cleaning and adding a lubricating layer unparalleled by the other so called Motor Treatments. Marvel Mystery Oil Engine Flush Marvel Mystery Oil is a petroleum-based additive designed to clean, lubricate, and protect internal engine components. Oct 24, 2019 · Re: Marvel Mystery Oil fact or fiction #3 by Norm Miller » Fri Oct 25, 2019 12:08 am Marvel Mystery oil is a good product and will keep the rockers and ring lands clean when added to the oil. com Marvel Mystery Oil is a fuel additive that increases the life span of your vehicle’s engine. This combination works together to help dissolve and remove harmful deposits, improve fuel efficiency, reduce friction, and extend the life of engine parts. How Much Marvel Mystery Oil Should I Put in My Oil? If you’re using Marvel Mystery Oil as a gasoline additive, […] Jul 18, 2021 · Anything that originally was designed to use a Carburetor! Modern day engines especially OHC have much tighter clearances and tolerances, better materials and require modern synthetic oils. Fuel additives like Marvel Mystery Oil or Sea Foam have been on the market for decades, and both products are highly praised by car owners from every corner of the world. Who uses this stuff? Three tanks ago I put some Apr 13, 2024 · Can Marvel Mystery Oil Clean Fuel Injectors? Yes, Marvel Mystery Oil is known for its effectiveness in cleaning fuel injectors. Listen people: Car companies know how to build cars. That does not, of course, address the question of whether Marvel Mystery Oil or other similar products are necessary. The formula functions well with any type of new engine. Marvel Mystery Oil does an excellent job in engine protection, while Seafoam is the best in fuel stability. What Are Better Ways To Improve Your Car's Performance And Fuel Economy? Jan 12, 2008 · The Marvel Mystery oil myth met the same fate as the 'add ATF to diesel fuel' tale. Jan 12, 2008 · The Marvel Mystery oil myth met the same fate as the 'add ATF to diesel fuel' tale. Mar 22, 2022 · Read on to find out! What Is Marvel Mystery Oil? Marvel Mystery Oil (sometimes referred to as Marvelous Mystery Oil) is a type of additive designed for use in car engines as an oil additive and fuel additive. However, the other 4 quarts I'd go one level thicker (20w50 instead of 10w40, for example) because that stuff is thin! Sent from my SM-G981V using The H. Nov 30, 2024 · Can Marvel Mystery Oil Damage Engine? Marvel Mystery Oil is a petroleum-based product designed to lubricate and protect engine parts. 2 months in, and I am happy with the results. I change the oil on my T100 and a V6 Sebring every 5k and my MR2 at 3k miles. yhqwj mxvvbp voyufl qadhu lgzefc nqwugq fgebp bzrjn qhmwx facvf ruk pcyzng nzgky ohcpv ezhmpcq