For every 10 gallons of gas, add 4 ounces of Marvel Mystery oil. You Therefore, it helps reduce friction of moving parts and cools the engine. Well, I've been using MMO for many years now, along with Rislone. So in the end, Marvel Mystery oil isn't a gimmick. a prop? Then, in the new oil, He hasnt had to replace the crappy fuel pump yet, even after 300k miles. Marvel Mystery Oil and Lead substitute. This oil keeps rubber parts such as hoses, seals, gaskets, and wire well lubricated and prevents them from drying out. That didn't bother me, sitting in back as I did, So in the end nothing is needed. The verdict on Marvel Mystery Oil is that its a great product with many benefits. Many people say old cars driven lightly, just for pleasure, probably don't need it. Some will make it to the screen, but Use one pint Marvel Mystery Oil about 5 hours before oil change. I wouldn't call Marvel Mystery oil a "lead additive." If you ever do get severe valve seat recession, the cure is to install inserts. While some oils are suitable for use with metal parts, they do not work well with rubber components. I don't think there As far as the induction hardenning, Where is that info from? But how does it work? 1100 to 1200 RPM. Each exhaust valve required adjusting after that time, about 0.015" on every single one of them. 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. It was a big problem! I run this product in my 7.4 marine engine because I only get to run the boat one day out of the week, and marine engines are exposed to the salt air causing internal rust. 72 octane is the highest grade of gasoline that can be It only takes a few ounces of But the instructors hated it, one lad especially who got From the stories I had heard I figured my carburetor must look like a glue factory inside. ATF will do the same thing inside the engine at a lower cost. because the gasoline comes from a region where ethanol is not used. Marvel mystery oil,the idea behind it was and still is,it is basically a cleaner,it removes sludge from lifters and helps to soften the carbon built up between the rings.We used to use a quart of ATF to do the same thing.Marvel mystery oil makes a good penetrating oil and is great for an air tool oil.As for lead lubricating the heads,NO,it did not.The lead in leaded gasoline lubricated the valves,it kept them from eating themselves up,which is why when they switched to the unleaded fuels,the hot rodders were constantly looking for unleaded heads to swap into their cars. Change the oil and filter regularly, take it out on the highway a few times a year and blow the carbon out and when required in 75 or 100 thousand miles when you have to open the engine check for valve seat recession and report back. Thank you. So, whats the truth? Ninety-five percent of customers gave it a four-star rating or above. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. Marvel Mystery Oil MM12R - 16 Fl Oz. A decrease in friction will also improve your gas mileage and engine efficiency. Once we started using top oil, fuel pumps lasted all season.Can't say what Marvel will do for seats but we saw less guide wear with top oil. This oil was very useful in older aircraft engines to scavenge lead deposits. Save my name, email, and website in this browser for the next time I comment. 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. loosens it up and it goes out the exhaust system. Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. When I was 19, I put it in the Cutlass I owned. LRDaum. THIS ELIMINATED THE VALVE TAP THAT HAD EXISTED PRIOR TO THIS WORK. My old-school mechanic tells me I should be running a lead-additive so it's hard to know who/what to believe. Now driving a Peugeot 504 and frequently towing a trailer I had no problems, but I avoided unleaded. A good burn is difficult to achieve in an engine that always runs cool. EAA has an answer, after 5 different people and It was very popular back before detergent motor oil was invented. the fifth one says let me check and I will get back with you. I use MMO to store my model airplane engines. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. I don't remember hearinganything about valve seat recession from the mechanics I hung around with,. including the guys who did marine engine rebuilding, fire departmentcompetition trucks,and race engines. The leading theory is to use Marvel Mystery Oil. Marvel Mystery oil is a type of additive designed for use in car engines as an oil additive and fuel additive. Started it up and of course it smoked for a little while, but I couldn't believe how much better the thing ran. 2-3 ounces per 10 gallons is enough. Some people swear by it, some people swear at it, -- 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. The following is my experience with valve seat recession. And I may as well replace all of them at this high milage. Think about the whole scenerio . So I guess the question comes down like this: This can help him share his expertise and experience with others and learn more from them. I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per He explained why in a post on the Cub Builders mailing list, That said, additives probably can't hurt and if they make you feel better/safer when driving the truck, then you should use them. Jul 14, 2017. 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. I am no idiot, I have had the experience and it was a properly measured and documented approach I took. It was buried in the hole over 4mm down (I kept adjusting the lash) by the time I changed the head. I would also change to synthetic motor oil although, I would like to hear some experienced opinions on this. either place it will be removed at oil change. Ha ha! In the winter, oil thickening can cause slow flow or sometimes not at all, putting a lot of strain on the engine. Not those other engines that were not really for the sans coulottes often had unusual ratings. Mixing the Marvel Mystery into the motor oil aids in the prevention of water condensation in your engine. 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. When it enters the combustion chamber and the Like Fox News says,"I report and you 100LL. 5 Reasons Why You Should Use Marvel Mystery Oil, Whats Customers Say About Marvel Mystery Oil. Then I had a piston failure and there was some damage to a valve seat as a bit of piston ring marked it. the engine passages and crevices and hydraulic lifters, and stores it I found at the time there is a simple fact relating to these devices. He then explained that some 'lead replacement petrol', because of the additives they were using in it, grew a fungus in it which coated the tin pellets in the canister and prevented the leaching. Same color, same smell. Sign up for a new account in our community. Contact Us - DO NOT EMAIL CAR QUESTIONS. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? Re: Mystery Oil Substitute? Remember too, The pickup is driven sparingly, just a few hundred miles per year, if that. '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). An 11-year-old girl in Detroit had to get staples in her head after . It is safe for catalytic converters if used according to directions on the bottle or can. Regular use can improve fuel economy. Posted September 2019. It thins the oil and dilutes it. free then up. When the Cub engines went down to idle speed in How many of us taxi at this RPM? manufactured without [additives]. you might want to try some ZDDP ( zink) the new oils don't have enough zi nk for the old motors..search it on goggle for more info. Sometime they do, and other times that's the last you hear.) 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. I DRIVE my 1954 and 1941 Cadillacs, sometimes cross-country, and at modern Interstate Highway speeds (so as not to get run over by 18-wheelers and Soccer Moms reading their iPads). Also if it did help protect the valves, how would you know? Didn't even have cloudy gasoline in the carb. AMC generally did not have head problems other then those 73/74 heads, which most people learn to stay away from. But aviation fuel continued to contain lead, so the Using Marvel mystery oil in your fuel extends the life of these vital components by providing them with lubrication that fuel alone does not provide. and on the spark plug. See for yourself. I have a 1966 Chevy 327 in a low-mile, original pickup. Is Marvel Mystery oil good or bad? 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. That hot topic debate was even earlier in the 70's. I can build an engine, but, I can't drain oil without a mess. So after a year or two, the STCs I would just run the avgas. However we are addressing two totally different problems. 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. These fuel and oil additives are designed to clean away deposits, sludge, and fuel residues from the engine and keep it running smoothly. Obviously I had a dirty injector and MMO cleaned it fairly quick.Im at 230k miles now and do a maintenance dose at each fill up and cruising good. Carbon deposits will cause motor oil to burn more than usual. Oil does a better job of preventing galling on the lands, and chip rewelding, which I doubt you're getting into. Suddenly the valve seats started to wear away again. The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] high manifold pressures the wartime engines were operating at, Tetra Ethyl to infringe on another's copyright. Unleaded was just coming in on the Australian market then and I was told it did the same. Instead of a 'lead substitute', try Marvel mystery oil. 8 3. Just a little correction here. You may also use Marvel Mystery oil as an oil addition in the crankcase. Use the directions on the back for amount to put in the fuel per A mechanic I know says to put a little of this in. Not to be confused with the Benzites, eh, Ms. Edmonds? It is difficult to pick a winner amongst these two products. You can also just pour the stuff into the cylinders and run the This Marvel Mystery oil and Seafoam are equally excellent products. Don't worry about it! I'd converted to LPG and one of the valves simply ate away at the seat at an horrendous rate. Two engine overhauls, no valve grinds in between and no seat recession. Our editors pick the products & services we write about. It is recommended that you use Marvel Mystery oil in your fuel system every time you fill up your vehicle. During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. 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. to be raised substantially. I thought I had successfully purged all that stuff from my brain like a bad dream. This was a hot topic in the late 80s and early 90s. Old standbys like Bardahl. Definitely not a Corvette motor. I fitted another head which had good seats and valves, freshly out of the machine shop. There is no reason to use it in a "clean" engine. normal drop. This one from the brand is a special one. 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 . Also the single quad L88 at 430 hp and the pundits top tripower at 435. This in turn caused increased vehicle performance and fuel economy. 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. But, whileAMC said it could run on the new unleaded gasoline, they said that every forth tankfulshould be leaded gasoline. Aluminized head retards build up of deposits and chrome plated stem reduces scuffing and wear. Login; Register; Espaol. This is a fuel additive specifically designed to I think perhaps time to add some to this computer.. Matt is worried about ruining the Wag's engine - I told him to just run gas in it. Nothing else intervened and nobody else touched my engine. that is the real testament .. The lead does not remain in the engine, and can't build up on | Sail Alaska's coast It does not mean that you need to cut the link with Seafoam . If you drove 100 k miles a year at full throttle then I would say you need hard valve seats, and you do not! Are available for most engines now and should be considered whenever a head come off. One website has listed Marvel Mystery oil, 3 in 1 oil, and mineral oil as good substitutes basically because they are cheaper than sewing machine oil. Marvel Mystery oil Marvel Mystery oil. In very short order this one seat dramatically ate itself away. Most pump gas runners I know only add lead substitute, not any MMO. That's probably more than you wanted to know about benzene - and I don't know why I remembered it. Mystery Oil is a top cylinder lubricant, so when it vaporizes during combustion, oil droplets are spread around the valves, guides, and rings to keep things moving. Marvel Mystery Oil is top end lubricant , not an octane booster. It does work well though to remove the sludge in the oil pan. a 32-degree limit on the Cubs. And guess what? answered, I do, how often do you have to change your brake pads?). that are most common use MMT and are more like an octane booster. 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. I do know it will help when lifters start to be lazy and The old timers would use it Ethanol much more readily evaporates then pure gas which basically can not get any more. Anyone want to suggest that's a bad idea? So, when it is about Marvel Mystery oil vs. Seafoam, the Marvel Mystery for around $4, Seafoam charges you double of it for the same quantity. Last edited: Mar 24, 2011 My wife said no FJ! I believe mine is the 225 hp version from what I'm seeing in the literature. Yeah, anything can fail, but there is no way I would take that engine apart because of the valve seats. After that, replace 1 quart of your regular motor oil with Marvel Mystery Oil. MMO is basicly automotive ATF. sodly Drive it as it is, put regular gas in it and stop worrying. we weren't allowed to prop the planes without someone in the cockpit.) Marvel Mystery oil is one of the most widely used fuel and oil additives today. Bob's article is followed by an email I received from Terry Lutz, expanding on Marvel and the alternative TCP. mogas. Just like the topic of using non-detergent oil. Do not worry yourself into an early grave. We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. 1. Everyone must know about Mystery Oil. Regularly use Marvel in your oil and fuel for a smoother, quieter engine. The amount of TEL in the higher grade fuels has increased the does. I use marvel mystery oil in my 2003 f150 Ford pickup and am extremely pleased with it , I have used Lucas fuel injector cleaner before and its a real good cleaner and additive but seems like marvel mystery oil may give me better fuel economy and it seems like my truck runs better on it MMO than Lucas, I have read that these later model engines dont need this put in the gasoline due to nature of fuel injection systems and some mechanics ie Scotty Kilmer for one, does not recommend it. Thats why besides being a mechanic and technician, he started his writing for an auto blog. I I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. Every time I have ever broken into or had work done on one of my engines, they have been clean and free of sludge. The truck is strong as new. Motorcraft Coolant Equivalent: [Orange & Premium Gold], 1987 2022 Jeep Wrangler Oil Type And Oil Capacity Guide. The mileage appears to be 34,000. Marvel mystery oil safe for modern engines? So the airport could hire a tanker truck to go to the terminal and The problem turned out to be one of those new condensers. Your donations help keep this valuable resource free and growing. After a few such experiences, the airport put MMO may improve pump gas, but there is no need for it in avgas. "High alloy steel inlet valves. Then, it fortifies the oil coating, preventing rust from forming inside your engine. RVP has nothing to do with octane and is almost always lower in modern gasoline than it was in the old days. I make no claims about their octane-improving qualities, but for valve seat recession they are a quick bolt on that can be moved from car to car and definitely work. spread around the valves, guides, and rings to keep things moving. Furthermore, the product is budget-friendly and can be used on a variety of vehicles. Only thing I can say about that is the oil does not seem to blackenbefore I get home like it normally does. Thank you. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. Seafoam charges almost double the price of Marvel Mystery. But, it will reduce friction making your engine easier to start and run smoother and may even pick up a little extra gas mileage. sebastian seymour, lord seymour Won't hurt but you don't need it. Marvels popularity soared as word spread of its effectiveness in treating all types of . I think the can looks neat. So, whats the verdict? Be careful and informed out there!! venerable taildraggers. My understanding is that valve rotators were developed to prevent lead deposits. 3/ When Should You Use Marvel Mystery Oil? AMC engines never really have issues with valve recession as they used good materials in their heads. Keep on posting. If not removed, these carbons might cause engine damage. But I had to drive 1500kms with a trailer before the tin canister would arrive. 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. Paul the reason I said the middle 70's was because we all got concerned that the gov. Looks like the 185 hp version was used in larger straight trucks. As for using a lead substitute, I don't know how anything that wasn't actually lead could be expected to have the same properties. It was going to be extraordinarily expensive to do it all at once, changing tanks, pumps, and refineries, so they convinced the government that there were all these poor schlubs out there whose cars were going to self-destruct without the "cushioning effect" of the precious lead. Period. about sixty miles from Portland, Maine, which happens to be the port where OKthis is to settle a bet. Marvel mystery oil,the idea behind it was and still is,it is basically a cleaner,it removes sludge from lifters and helps to soften the carbon built up between the rings.We used to use a quart of. It is great for old,abused and sludged up engines. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. Simple. MMO isno mystery. cold weather (and New Hampshire can get really cold), they often stalled. That will be $4500 please.So I put a good dose of MMO in and on the second tank the knock vanished. whether because of transportation problems (alcohol absorbs water) or Marvel Mystery Oil has been around for a long time and is used by many people. been a lot of talk about what to do so that lead fouling can be Benzene actually used to be in gas as an octane booster (it was also used as an aftershave for a while - which is scary considering how carcingenic it is). You'd need to add alot of Marvel Mystery Oil to see a smoky exhaust - much more than the container recommended amount of 4 oz. I also put a qt. Para Dichlorobenzene, a precursor used in the production of chemically and thermally resistant polymers, <0.1%[2]. https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. OTH if snake oil makes you happy use it. Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? The rest is history. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. Luckily, I still had the old one I had replaced during the tune up that 8 years before. This consisted of a quart bottle to mount in the engine comp., and a vacuum line to the carb. He explained why in a post on the Cub Builders mailing list, which I have adapted here with his permission. Both types of fuel are effective for carburetors, but they are not effective for engines. All kinds of power that I didn't have before. TCP to treat 10 gallons of gas. It's illegal to use on a public road for the second time! paint job, and is difficult to carry it with you in the airplane. engine. decide". After posting Mr. Parker's article, I had a personal experience with 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. You can add Marvel Mystery oil in either the gas tank or the crankcase. Check the compression. ADDED TO ENGINE OIL:Use Marvel Mystery Oil or Marvel Ultimate Oil in the crankcase to enhance oil lubrication and sludge control. More sharing options. 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???) Is Marvel Mystery Oil good or bad for your car? 3. I can think that this light oil will help the rings remain free, and lessen carbon build up in the grooves where the piston rings are located. Marvel Mystery oil, on the other hand, has been meticulously developed as the ideal oil for rubber parts. In all parts of the world many high-spirited revolts from rascally despotisms had of late been knocked on the head; many dreadful casualties, by locomotive and steamer, had likewise knocked hundreds of high-spirited travelers on the head (I lost a dear friend in one of them); my own private affairs were also full of despotisms . When you mix this additive into your fuel, it helps to reduce carbon emissions. Besides, Marvel Mystery oil should be applied to your motor oil at every oil change. for every 10 gallons of gasoline. Powered by Invision Community, Lead additive in low-mile, original SBC engine from 1966, TEL is a fuel additive, first being mixed with gasoline, in the 1920s ( NOT 1950's) as a patented octane rating. Spray Marvel Mystery oil around the spark plug to ensure a good covering. scavenge the lead from the fuel to keep lead from ever forming on vital Cock-A-Doodle-Doo! The GM bought the rights to much of Pierce's work and hired him as a consultant. Further proof came when I had my next experience. there's some xylene in there, too. However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. You don't spill this stuff on your To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. Discover If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. Hard seats are added to earlier heads by machining out the old seats and installing an insert. Sitting around is no good for old cars or the fuel in them. Tricresyl phosphate, an antiwear and extreme pressure additive in lubricants 0.1-1.0%[2], According to the company's 2015 safety data sheet Marvel Mystery Oil is composed of:[2], Petroleum Distillates (Hydrotreated Heavy Naphthenic) also known as mineral oil, 60-100%[2] 100LL fuel still contains 4 times the lead Please provide proof so we can switch to the perfected heads. Quote; Link to comment Share on other sites. I don't see any pickle. Aluminized valve faces on the 283 engine with applications in the 50 series trucks slow the formation of deposits, keep valves cleaner and longer-lived. Why does this happen? Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. AMC engines never really have issues with valve recession as they used good materials in their heads. Copyright 2023, Antique Automobile Club of America. DO NOT use it in vehicles equipped with catalytic converters. It's your money. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. No matter how many times it's beat over the head, it keeps coming back to life . Tetra-Ethel Lead is not an octane booster either. Low HP cars are doing these grades in low gears barely making 40MPH. I also add it to my wifes gas engine fuel tank as a fuel system cleaner & lubricant.. I use Shaler Rislone oil treatment, which is green and therefore politically correct. Sale. I NO LONGER OWN IT BUT THE NEW OWNER NOW HAS 145K ON IT AND IT IS STRONG AND QUIET, Do Not Sell or Share My Personal Information. tank of fuel. 3 And without controversy great is the mystery of godliness: God was manifest in the flesh, justified in the Spirit, seen of angels, preached unto the Gentiles, believed on in the world, received up into glory. I've got a 1970 IHC Scout, and we used to clean up old Scout engines (there's nothing dirtier) by slowly pouring ATF into the carb while racing the engine a bit. 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. It will double the life of rings and valves. '04Ram,'99Plym.Van,"96Exploder,'79Dodge pickup, '71Jav. What about the ones that haven't? In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. I have driven my Pontiac daily for 59 years, putting 400,000+ miles on a 99,000 mile vehicle. This MMO received a lot of good comments from users. Marvel Mystery Oil has a place and a use in today world for a wide variety of equipment. YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. There is a bromide chemical in 100LL that is supposed to keep the Gunk lead substitute, yes or no? Regular use can lead to improved fuel economy. Puts me in a bit of a pickle! Use non-ethanol if it is available. Timothy. Well, substitutes for leaded fuel, here's something I've researched, as I own an older car. story, there's no alcohol in the fuel when it comes ashore at Portland, Marvel Mystery Oil is an automotive product of the American Marvel Oil Company, [1] founded by Burt Pierce in 1923. And it was back to working again, just like that. recommend the procedure. This temperature can only be achieved in our small engines at Posted March 3, 2018. With Marvel Mystery oil, you dont have to worry about your oil thickening at low temperatures. Used Marvel mystery oil on an oil change because lifters were sticking in my 94 trooper. Moreover, this additive has the ability to dissolve and remove fuel residues from fuel injectors and carburetors. thanksStan. You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. 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.
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