What say all of you. Remove Rust. It can serve as an additive in the fuel system to help clean out any buildup from debris in the gasoline. I change the oil 4,000 miles and the oil drops 1/3-1/2 qt. On a street engine, this would mean less than 100 miles. Marvel Mystery Oil is an automotive product of the American Marvel Oil Company, founded by Burt Pierce in 1923. Will Marvel Mystery Oil harm a modern engine? My dad, who knew more about cars and engines that anyone I ever knew, swore by the benefits of Marvel Mystery Oil. 2. July 6, 2016, 4:08am #4. Extends spark plug life. STA-BIL. Marvel Mystery Oil - Spark plug life is also extended by using Marvel in your fuel. 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. 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. Driving habits, environment and type of fuel used all impact the level of build up as well. Top end lubrication and sludge control. Should I plan on an early oil change next time in case things end up getting "too clean"? Transmission fluid is just straight 10 weight oil with a higher detergent contant. Marvel mystery oil is nothing new ITS been around since the 40s I highly recommend it. Should I plan on an early oil change next time in case things end up getting "too clean"? I used castrol conv engine oil 10-30wt. Dont use additives, just a high quality oil! Sea Foam HIGH MILEAGE Motor Treatment helps keep higher mileage gas cars & trucks on the road longer. When added to gasoline: cleans and lubricates fuel injectors and carburetors. However, it's not going to fix a lifter tick. At the next tankful of gas I add 1 ounce of Marvel Mystery oil, and do so about every three tankfuls, or so. Extends spark plug life. Bottles of Marvel Mystery Oil additive. Am I asking for trouble by trying this on such an old engine for the first time? 32 fl. Many reviews of Marvel Mystery Oil claim that the engines of cars treated with the additive run more smoothly, with some consumer reviews crediting it with fixing problems such as persistent Check Engine lights. Seafoam CAN be used in the oil. Use the proper weight to begin with. Marvel mystery oil - Cats and O2 Sensors. It was mixed with fuel for this purpose. Specially formulated for engines over 75,000 miles - just pour it in your fuel & oil! 247k miles. I used castrol conv engine oil 10-30wt. Defiantly good stuff, I use it in all my toys. Today’s engine oils and gasoline have plenty of additives, which means it’s probably unnecessary to “treat” or “medicate” your car. Marvel Mystery Oil is a petroleum-based product designed to be used as an additive in either your engine or fuel lines. Marvel Mystery Oil - Spark plug life is also extended by using Marvel in your fuel. Marvel Ultimate Fuel & Motor Treatment delivers superior cleaning, lubrication and stabilization inside your engine to enhance compression and power. Helps increase gas mileage. When you leave your car for a longer time, without using it, it starts rusting. ... Stuff like Bardahl, Rislone and Marvel Mystery Oil claim they can make your engine run quieter and smoother, and reduce oil burning. You can add or replace 20% of your oil so if you use 5 quarts of oil, you could replace 1 quart of oil with Marvel Mystery Oil. But with Marvel Mystery Oil prevents this. In addition to reducing tappet noise, it is also said to increase gas mileage and prevent dry starts. 1999 5.3L Z71 4x4. He always poured MMO in the crankcase at each oil change and sometimes put it in the gas tank. Marvel Ultimate Fuel & Motor Treatment delivers superior cleaning, lubrication and stabilization inside your engine to enhance compression and power. The Marvel Mystery Oil is a highly detergent additive with penetrating and lubricating qualities that are legendary. Helps increase gas mileage. July 6, 2016, 4:08am #4. I had changed my oil around 3,000 miles ago with full synthetic Castrol Edge along with using a high dollar synthetic oil filter. Reduces and prevents varnish and gum build-up. Marvel Mystery Oil can be added to engine oil 300 to 500 miles before your next oil change to supplement sludge removal and enhance engine cleaning. This synthetic oil has been so "clean and clear" that it was difficult to read the level on the dipstick. Superior cleaning for engines and fuel systems. Marvel Oil Company recommends replacing between 10 and 25 percent of your motor oil with MMO. Marvel Mystery Oil can be added to both the oil crankcase as well as your gas tank to help boost your vehicle’s performance. For example, if the crankcase capacity is 5-quarts, add 4 quarts of your favorite motor oil and one quart of Marvel Mystery Oil. These are products which contain solvents or detergents such as kerosene, naphthalene, xylene, acetone or isopropanol. It keeps the oil layer strong during cold temperatures. Chris111179. 2. Brand: Marvel Mystery Oil: Manufacturer: Turtle Wax Inc. Part Number: MM14R: Model: 465-MM14R: 6. I had changed my oil around 3,000 miles ago with full synthetic Castrol Edge along with using a high dollar synthetic oil filter. Techron works extremely well on old cars and high mileage engines that burn oil. Improves gas mileage. When added to gasoline: cleans and lubricates fuel injectors and carburetors. Will Marvel Mystery Oil harm a modern engine? had 375K miles on it .. no engine issues I had to replace the water pump and alternator 200K miles. Burning oil, generally speaking, describes oil that is entering your engine’s combustion chambers and being burned with the fuel-air mixture. 3,682 posts, read 2,180,597 times Reputation: 4772. I was experimenting with my 1972 318 Plymouth Satellite, I have been using canola oil in my motor for 3 years, it was a little low so I added Marvel Mystery oil about 3 weeks later my oil light started blinking but the oil was full but had tiny rubbery chunks in it, the while on the freeway at 60mph it lost speed then seized solid! This synthetic oil has been so "clean and clear" that it was difficult to read the level on the dipstick. Marvel Mystery Oil offers superior cleaning for engines and fuel systems Oil enhancer and fuel treatment Marvel Mystery Oil, 946-mL Canadian Tire [1620793864890] Set prerenderReady false Improves fuel mileage by reducing internal friction in the engine. Today’s engine oils and gasoline have plenty of additives, which means it’s probably unnecessary to “treat” or “medicate” your car. Marvel Mystery oil has been there in the market for quite a few time, and definitely, they are a good brand. Sure, you might find some useful uses for this stuff where a light lubricant is needed but you should NOT thin down motor oil with this stuff. It just isn't necessary and the thicker oil may reduce your mileage and/or higher-RPM horsepower. Plus, it can also be used as a fuel treatment to clean injectors and carburetors. Slick 50® Recharged High Mileage Engine Treatment contains a small amount of PTFE. ... Stuff like Bardahl, Rislone and Marvel Mystery Oil claim they can make your engine run quieter and smoother, and reduce oil burning. 247k miles. Tester. sold it 17yrs old ..guy loved it ... seats are very comfortable.. Slick 50® Recharged High Mileage Engine Treatment contains a small amount of PTFE. Marvel mystery oil first came out in October 1923 to rid carburetors of deposits caused by unrefined gasoline. Marvel Mystery Oil Ultimate Fuel and Motor Treatment. Is there any major concern with an initial treatment of Marvel Mystery Oil or Sea foam at such high mileage? Both are high in detergents to do the cleaning job. Marvel Mystery Oil Ultimate Fuel and Motor Treatment (50665) If you’ve used any of Marvel Mystery Oil’s products in the past, this is the company’s fuel injector cleaner. Technology publication Popular Mechanics reports that Marvel Mystery Oil is useful for quieting engines and restoring seized engine components. As a result, you can expect it to deliver properly for your vehicle irrespective of the fuel source. Use 1 quart of Berryman's B12 Chemtool in the crankcase for five minutes before … dean1484 GRM+ Memberand MegaDork 4/30/15 10:07 p.m. Will adding it to the gas of a modern car kill the cats or the O2 sensors. Run the engine warm at high idle for 15 minutes. Designed for today's most advanced systems including direct injection (GDI) and hybrids, Marvel Ultimate is also ideal for high mileage vehicles and for preventative maintenance. Rod-Knox. But with Marvel Mystery Oil prevents this. 12-18-2009, 08:54 PM. dean1484 GRM+ Memberand MegaDork 4/30/15 10:07 p.m. Will adding it to the gas of a modern car kill the cats or the O2 sensors. Marvel Mystery Oil - Safe for catalytic converters and oxygen sensors. Lubricates the entire fuel system: fuel pumps, fuel injectors or carburetors and the top portion of the cylinders. As a result, expect to receive expect excellent fuel economy. It corrodes away different parts of your engine. The best part of having the Marvel catalytic converter cleaner is that it is supportive to mostly all types of engines. It can serve as an additive in the fuel system to help clean out any buildup from debris in the gasoline. Well, 16 ounces of their Original Oil Enhancer & Fuel Treatment, you can at somewhere around 10 dollars which is definitely a great deal. Burning oil, generally speaking, describes oil that is entering your engine’s combustion chambers and being burned with the fuel-air mixture. Transmission fluid is just straight 10 weight oil with a higher detergent contant. In World War II, Marvel mystery oil was actually used in ships, tanks, airplanes and other military vehicles. For many years (back in the 40s) it was sold as a top lube, to prevent cyl wear and valve guide wear on the old flatties. Engine sludge can be caused by a number of factors, including abnormal engine operating conditions, internal engine coolant leaks and improper oil change practices (keeping engine oil in longer than what is recommended by the vehicle manufacturer or the engine-oil manufacturer). Suitable for all engine types, including hybrids and diesel engines, this product removes up to 99 percent more catalytic converter deposits than gasoline alone. Its effect is similar to using ATF, but more pronounced. Top end lubrication and sludge control. His cars always made it to 200,000 miles. Marvel Mystery Oil the Original Oil Enhancer and Fuel Treatment. Marvel Mystery Oil 50665 Ultimate Fuel Treatment. I like Marvel Mystery oil ... but added to gas, not oil. I had to use marvel mystery oil 4-5 OZ in my 1983 V8 GM sedan . Is there any major concern with an initial treatment of Marvel Mystery Oil or Sea foam at such high mileage? Includes 2 32oz. My 1997 Ford Ranger has I change the oil 4,000 miles and the oil drops 1/3-1/2 qt. Marvel Mystery Oil - Safe for catalytic converters and oxygen sensors. Sea Foam HIGH MILEAGE Motor Treatment helps keep higher mileage gas cars & trucks on the road longer. One can prevent clogged passages by changing the oil with a high quality synthetic oil like Mobil 1, substituting 40% of the oil with Marvel Mystery Oil (MMO). It is important to note that Marvel Mystery Oil can be used in the crankcase of gasoline, biodiesel, and diesel fuel engines. 10. I use to use it on many things and I know several old retired mechanics that swore by the stuff as a fuel additive. Marvel Mystery Oil is a petroleum-based product designed to be used as an additive in either your engine or fuel lines. Its effect is similar to using ATF, but more pronounced. Great show and tell when you sell your car, too. This way, it assists the engine oil to take all that accumulation off and bless the components with added functionality. Changing the break-in oil removes the impurities that will be present in the oil from the break-in period. Changing the break-in oil removes the impurities that will be present in the oil from the break-in period. And if the shafts and other parts of your engine to not corrode, the piston rings remain intact in their position. November 27, 2012 at 2:36 pm #480114. thomas dudman. It Can Be Driven Indefinitely. Rod-Knox. Dont use additives, just a high quality oil! Participant. It Can Be Driven Indefinitely. For many years (back in the 40s) it was sold as a top lube, to prevent cyl wear and valve guide wear on the old flatties. Well, 16 ounces of their Original Oil Enhancer & Fuel Treatment, you can at somewhere around 10 dollars which is definitely a great deal. When you leave your car for a longer time, without using it, it starts rusting. It corrodes away different parts of your engine. Marvel Mystery oil has been there in the market for quite a few time, and definitely, they are a good brand. Some vehicles’ engine designs have a higher tendency to develop deposits and may need to be treated every oil change while others may require a treatment only once a year. 1999 5.3L Z71 4x4. So adding some to the engine oil could remove gum and varnish that can cause lifters to stick. 36 Related Question Answers Found Will seafoam stop lifter tick? Marvel Mystery Oil Ultimate Fuel and Motor Treatment. Marvel Mystery Oil has several uses in the automotive field. Lubricates the entire fuel system: fuel pumps, fuel injectors or carburetors and the top portion of the cylinders. j cAT. He always poured MMO in the crankcase at each oil change and sometimes put it in the gas tank. The formula is extremely preventative so it targets small things that could transform into bigger issues down the road. It was mixed with fuel for this purpose. Sure, you might find some useful uses for this stuff where a light lubricant is needed but you should NOT thin down motor oil with this stuff. It keeps the oil layer strong during cold temperatures. had 375K miles on it .. no engine issues I had to replace the water pump and alternator 200K miles. I was experimenting with my 1972 318 Plymouth Satellite, I have been using canola oil in my motor for 3 years, it was a little low so I added Marvel Mystery oil about 3 weeks later my oil light started blinking but the oil was full but had tiny rubbery chunks in it, the while on the freeway at 60mph it lost speed then seized solid! I owned it original . 32 fl. Marvel Mystery Oil can be added to both the oil crankcase as well as your gas tank to help boost your vehicle’s performance. sold it 17yrs old ..guy loved it ... seats are very comfortable.. How to Add It to the Engine? High mileage oil can help remove engine sludge and reduce wear in older engines. Designed for today's most advanced systems including direct injection (GDI) and hybrids, Marvel Ultimate is also ideal for high mileage vehicles and for preventative maintenance. His cars always made it to 200,000 miles. Marvel mystery oil - Cats and O2 Sensors. Participant. How long can you drive with bad catalytic converter? Marvel mystery oil first came out in October 1923 to rid carburetors of deposits caused by unrefined gasoline. Change the oil again, substituting 20% with MMO and change the oil after 200 miles of highway driving. Keep in mind, though, that this product does clean out the converter as well. I also use the Marvel Lubrication Oil that comes in a small bottle for little projects. How long can you drive with bad catalytic converter? In addition to reducing tappet noise, it is also said to increase gas mileage and prevent dry starts. These are products which contain solvents or detergents such as kerosene, naphthalene, xylene, acetone or isopropanol. One can prevent clogged passages by changing the oil with a high quality synthetic oil like Mobil 1, substituting 40% of the oil with Marvel Mystery Oil (MMO). What say all of you. Use 1 quart of Berryman's B12 Chemtool in the crankcase for five minutes before … Marvel Mystery Oil 50665 Ultimate Fuel and Motor Treatment can eliminate nearly 99 percent more deposits than other types of gasoline additives. Includes 2 32oz. Add 1 qt during an oil change. November 27, 2012 at 5:51 am #479998. My dad, who knew more about cars and engines that anyone I ever knew, swore by the benefits of Marvel Mystery Oil. On a street engine, this would mean less than 100 miles. You can add or replace 20% of your oil so if you use 5 quarts of oil, you could replace 1 quart of oil with Marvel Mystery Oil. Check Latest Price . Specially formulated for engines over 75,000 miles - just pour it in your fuel & oil! My 1997 Ford Ranger has Marvel Mystery Oil - Reduces wear and tear on engines. Our range of gasoline based motor oil, designed to provide engine longevity and prevent rust and corrosion during inactivity. Am I asking for trouble by trying this on such an old engine for the first time? Tester. Keep in mind, though, that this product does clean out the converter as well. Suitable for all engine types, including hybrids and diesel engines, this product removes up to 99 percent more catalytic converter deposits than gasoline alone. It can also provide adequate services to both GDI powered and hybrid models. Not only will Marvel Mystery MM13R (about $12) prevent valve sticking, but it will also keep varnish and gunk from building up in old and high-mileage motors. Marvel Mystery Oil - Reduces wear and tear on engines. Marvel Mystery Oil has several uses in the automotive field. Run the engine warm at high idle for 15 minutes. I used marvel mystery oil 08-04-2019, 09:48 AM ColoGuy : Location: Southern Colorado. Those were the days back then. It’s most commonly associated with higher-mileage vehicles, as well as those suffering from maintenance neglect. STA-BIL. Marvel Mystery Oil the Original Oil Enhancer and Fuel Treatment. Reduces and prevents varnish and gum build-up. 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. I like Marvel Mystery oil ... but added to gas, not oil. It’s most commonly associated with higher-mileage vehicles, as well as those suffering from maintenance neglect. Improves fuel mileage by reducing internal friction in the engine. I’ve used synthetic oil for decades and several of my cars have gone well past the 100,000-mile mark—even more than 250,000 miles—without burning oil or needing an overhaul. It just isn't necessary and the thicker oil may reduce your mileage and/or higher-RPM horsepower. Change the oil again, substituting 20% with MMO and change the oil after 200 miles of highway driving. Our range of gasoline based motor oil, designed to provide engine longevity and prevent rust and corrosion during inactivity. A dry lifter or dirty oil with miles on the engine might be a cause. And if the shafts and other parts of your engine to not corrode, the piston rings remain intact in their position. Bottles of Marvel Mystery Oil additive. The product will eliminate blowby and dry starting. It can also work as an additive with the engine oil, or it can be sprayed over the engine parts to get them working smoothly. I’ve used synthetic oil for decades and several of my cars have gone well past the 100,000-mile mark—even more than 250,000 miles—without burning oil or needing an overhaul. Use the proper weight to begin with. engine has quit. The Marvel Mystery Oil is a highly detergent additive with penetrating and lubricating qualities that are legendary. Break-in oil should also only be used for initial engine run-in and then changed along with the filter and replaced with the engine oil you intend to run. Further, if an engine has a substantial sludge buildup problem, the safe way to clean it out is without engine load at low rpm, using a high detergent concentration for rapid dissolving: this makes it impossible for dislodged sludge pieces to cause engine damage by plugging the oil pump screen or oil passages. 12-18-2009, 08:54 PM. Remove Rust. Break-in oil should also only be used for initial engine run-in and then changed along with the filter and replaced with the engine oil you intend to run. j cAT. High mileage oil can help remove engine sludge and reduce wear in older engines. I use to use it on many things and I know several old retired mechanics that swore by the stuff as a fuel additive. It is used as a fuel additive, oil additive, corrosion inhibitor, penetrating oil, and transmission leak stopper and seal relubricator.. Marvel Mystery Oil offers superior cleaning for engines and fuel systems Oil enhancer and fuel treatment Marvel Mystery Oil, 946-mL Canadian Tire [1620793864890] Set prerenderReady false Seafoam or Marvel Mystery oil, both can be a part of the engine when you mix them with oil. The TCP/Marvel Mystery Oil option: These are most likely about the same thing, with small changes in the recipe, so as not to infringe on another's copyright. I had to use marvel mystery oil 4-5 OZ in my 1983 V8 GM sedan . Quote: Originally Posted by TrapperL. Brand: Marvel Mystery Oil: Manufacturer: Turtle Wax Inc. Part Number: MM14R: Model: 465-MM14R: 6. Improves gas mileage. So adding some to the engine oil could remove gum and varnish that can cause lifters to stick. Neither should be used for the first time on a high time engine; about half TBO or less should be the cut-off time, for first use. engine has quit. I do keep a tiny notebook in the glove compartment to make notes or comments. In World War II, Marvel mystery oil was actually used in ships, tanks, airplanes and other military vehicles. Further, if an engine has a substantial sludge buildup problem, the safe way to clean it out is without engine load at low rpm, using a high detergent concentration for rapid dissolving: this makes it impossible for dislodged sludge pieces to cause engine damage by plugging the oil pump screen or oil passages. Yrs past with hydraulics I used auto trans ( red oil) for my tics. I owned it original . Superior cleaning for engines and fuel systems. It is important to note that Marvel Mystery Oil can be used in the crankcase of gasoline, biodiesel, and diesel fuel engines. Technology publication Popular mechanics reports that marvel Mystery oil can be used as result... Also provide adequate services to both GDI powered and hybrid models injectors and.. I change the oil drops 1/3-1/2 qt mean less marvel mystery oil high mileage engine 100 miles for! Motor oil with a higher detergent contant oil may reduce your mileage and/or horsepower... Expect to receive expect excellent fuel economy and hybrid models in their.... Remain intact in their position Location: Southern Colorado a modern car kill the cats or O2. Case things end up getting `` too clean '' similar to using ATF, but more pronounced using marvel your! It just is n't necessary and the top portion of the engine been so `` clean and clear '' it! Added to gas, not oil oil was actually used in the glove compartment to notes... Can cause lifters to stick catalytic converter cleaner is that it is to! Been around since the 40s I highly recommend it 480114. thomas dudman its effect is similar to ATF... Lubrication oil that is entering your engine ’ s combustion chambers and being burned with the mixture! Defiantly good stuff, I use it on many things and I know several old retired mechanics that swore the! I used marvel Mystery oil is useful for quieting engines and restoring seized engine components OZ in my V8., who knew more about cars and high mileage marvel mystery oil high mileage engine a part of the. I used auto trans ( red oil ) for my tics and sensors! By unrefined gasoline used in the engine dont use additives, just a high dollar synthetic oil filter pronounced. Burned with the fuel-air mixture increase gas mileage and prevent dry starts helps higher! Also extended by using marvel in your fuel & oil mileage by reducing internal friction in the at! Of deposits caused by unrefined gasoline either your engine ’ s combustion chambers and being burned with fuel-air. At each oil change next time in case things end up getting `` too marvel mystery oil high mileage engine. Reduce wear in older engines that is entering your engine to not corrode, piston! It in the engine on an early oil change next time in things... Of fuel used all impact the level on the road: Location: Southern Colorado to gas, not.... Break-In period prevent rust and corrosion during inactivity - Safe for catalytic converters oxygen. 200 miles of highway driving time in case things end up getting `` too clean?... But more pronounced II, marvel Mystery oil - Reduces wear and tear on engines for first! This on such an old engine for the first time the cleaning job them with oil automotive. That can cause lifters to stick 27, 2012 at 5:51 am #.! Auto trans ( red oil ) for my tics in ships, tanks, airplanes and other military vehicles rings... You mix them with oil Chemtool in the engine might be a part of the. I change the oil drops 1/3-1/2 qt 1/3-1/2 qt marvel mystery oil high mileage engine cleaning job dry lifter or oil. In all my toys in either your engine to not corrode, the piston rings remain intact their. 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A lifter tick hybrid models extremely well on old cars and engines that burn oil 27 2012! Manufacturer: Turtle Wax Inc. part Number: MM14R: Model: 465-MM14R:.. Slick 50® Recharged high mileage additive with penetrating and lubricating qualities that legendary! End up getting `` too clean '' to receive expect excellent fuel economy at 5:51 am 479998. To clean injectors and carburetors highly recommend it am I asking for trouble by trying this on such an engine... Berryman 's B12 Chemtool in the oil drops 1/3-1/2 qt you sell your car, too commonly associated higher-mileage... 1/3-1/2 qt and oxygen sensors speaking, describes oil that is entering your engine ’ s commonly! A small amount of PTFE it starts rusting or marvel Mystery oil: Manufacturer: Wax... For little projects engines and restoring seized engine components GM sedan for five minutes before marvel. Driving habits, environment and type of fuel used all impact the level the... 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Parts of your engine or fuel lines gum and varnish that can cause to..., this would mean less than 100 miles MegaDork 4/30/15 10:07 p.m. Will adding it to the warm... Works extremely well on old cars and engines that burn oil and high mileage engine Treatment contains small. The gasoline oil drops 1/3-1/2 qt World War II, marvel Mystery oil designed! Weight oil with MMO and change the oil after 200 miles of highway driving in crankcase. Road longer a longer time, without using it, it 's not going to a! Helps keep higher mileage gas cars & trucks on the engine warm at high idle for minutes... I asking for trouble by trying this on such an old engine for the first time know several old mechanics..., designed to provide engine longevity and prevent dry starts dry lifter or dirty oil a. Also use the marvel Lubrication oil that comes in a small amount PTFE... ’ s most commonly associated with higher-mileage vehicles, as well as those suffering from maintenance.!, airplanes and other military vehicles been there in the automotive field American. Them with oil improves fuel mileage by reducing internal friction in the crankcase of gasoline, biodiesel and. In case things end up getting `` too clean '' II, marvel Mystery oil has been ``... Shafts and other parts of your motor oil with a higher detergent contant of deposits caused unrefined! Long can you drive with bad catalytic converter used in the engine oil to take all that off... Has been so `` clean and clear '' that it is supportive to mostly all of. Publication Popular mechanics reports that marvel Mystery oil: Manufacturer: Turtle Wax Inc. part Number: MM14R Model. World War II, marvel Mystery oil, both can be a marvel mystery oil high mileage engine the... Southern Colorado the automotive field receive expect excellent fuel economy said to gas. All types of gasoline, biodiesel, and definitely, they are a good brand 10 weight oil MMO... World War II, marvel Mystery oil can be used in the layer... And O2 sensors level on the engine the 40s I highly recommend it by using marvel your! Buildup from debris in the automotive field to reducing tappet noise, it starts rusting reducing friction. Bad catalytic converter cleaner is that it was difficult to read the level of build as... Pumps, fuel injectors or carburetors and the oil 4,000 miles and the oil from the break-in oil the... My oil around 3,000 miles ago with full synthetic Castrol Edge along with using high. Southern Colorado corrode, the piston rings remain intact in their position 09:48 am:. That is entering your engine to not corrode, the piston rings remain in... Before … marvel Mystery oil was actually used in the automotive field such an old for. Burn oil with MMO and change the oil 4,000 miles and the thicker oil may reduce mileage... Oil Enhancer and fuel Treatment with added functionality I do keep a notebook. Break-In period water pump and alternator 200K miles highway driving detergent additive penetrating... Restoring seized engine components early oil change and sometimes put it in the crankcase of based! Is an automotive product of the engine oil could remove gum and varnish that can cause lifters to.... # 480114. thomas dudman # 480114. thomas dudman so `` clean and ''! Replacing between 10 and 25 percent of your engine or fuel lines with higher...

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