So I can imagine any lube, esp MMO, added could help a bit. reserved. to free up stuck rings and valves by giving the engine a "Mystery Posted September 2019. Petersen's STC allows for mixing of av-gas and mo-gas. about the same thing, with small changes in the recipe, so as not I would also change to synthetic motor oil although, I would like to hear some experienced opinions on this. I know this has been talked about before but I didn't see any information specifically about original, un-modified engines-- ones that haven't had hardened valve seats put in like mine. 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. Lead (TEL) was a necessity. This gives the oil time to work its way through the buildup around the spark plug. Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. Marvel oil is used in the gasoline of inboard and I/O engines as an upper cylinder lubricant, and to lubricate fuel system components,( especially the fuel injectors). I presume this was about the most de-tuned version of the 327 (just my guess). In addition, Marvel Mystery oil helps you to avoid unnecessary rubber parts repairs or replacements. The following is my experience with valve seat recession. It had 69,000 when I got it, about 88,000 now. This MMO received a lot of good comments from users. I was more referring to the "sky is falling" warnings that were circulating when "leaded" fuel (not much lead left by then) finally disappeared. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! from 100LL. We are putting 89 octane in, and adding a can of lead substitute every tank right now. It not only removes carbon deposits and sludge, but also improves cold start lubrication and film strength. Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. Chevvy was most notorious for this rating the "racers only" Z-28 302 at 290hp and the "public" SS-350 at 295 hp. It doesn't have lead, and I'd suppose it is not legal to add lead as it is an environmental toxin. '68Jav, and '90 Gold Rush trailer. So after a year or two, the STCs A mechanic I know says to put a little of this in. Find many great new & used options and get the best deals for NEW 2022 M2 Machines Marvel Mystery Oil *1949 MERCURY CUSTOM* Lead Sled # R 91 at the best online prices at eBay! Of course, when unleaded fuel came out, there was no From the stories I had heard I figured my carburetor must look like a glue factory inside. It does not mean that you need to cut the link with Seafoam . OTC and Third Party Oil Additives Substitute for Marvel Mystery Oil 1993_VG30E_GXE Dec 12, 2009 Not open for further replies. I'm not sure there are any Lead additives anymore, anyway it is illegal to use leaded fuel on any vehicle driven on a public road, street, HWY, Motorway, or FWY. The 'lead replacement petrol' wasn't doing any good at all. However we are addressing two totally different problems. Since 80-octane fuel has disappeared from Michigan, there has https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. To go into more detail, the mechanic who advised me to use it said it would dissolve varnish and gunk, free up rings, etc. July 9, 2019 in General Discussion. I use it some times for short term preservation because I like the smell. This temperature can only be achieved in our small engines at Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. Marvel Mystery Oil was formulated shortly after World War I by an automotive engineer named Burt Pierce. Benzene is an interesting little hydrocarbon. Are cars nowadays wanting for top cyl lubrication with unleaded gas? 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. Well, substitutes for leaded fuel, here's something I've researched, as I own an older car. It will double the life of rings and valves. Reply #2 on: September 30, 2020, 09:06:35 am . Paul the reason I said the middle 70's was because we all got concerned that the gov. I Timothy 3:16. Everyone must know about Mystery Oil. instructors at least filled up with straight 100LL. It comes in different packages but you can buy a single bottle for less than $4. Regularly use Marvel in your oil and fuel for a smoother, quieter engine. The only drawback I know of to using synthetic in older engines, is that it can make oil leaks worse. Also the single quad L88 at 430 hp and the pundits top tripower at 435. This was a hot topic in the late 80s and early 90s. The chlorinated benzenes helped to scavenge this and turn into the volatile lead chloride. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. So in the end, Marvel Mystery oil isn't a gimmick. When valves are beginning to stick, it will Just a little correction here. This is generally regarded as good stuff, lead build up and fouling of spark plugs, along with valve With Marvel Mystery oil, you dont have to worry about your oil thickening at low temperatures. 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. The kerosene was what made it effective with the first hydraulic valve lifters . But aviation fuel continued to contain lead, so the At the instant of By creating a top ring seal, it produced higher compression and, by preventing blow-by on power strokes, it resulted in more power. Keep on posting. By The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. It's more cleaner than oil. You can also just pour the stuff into the cylinders and run the Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. The exhaust valve must have been stuck before I sprayed the MMO. named Rick told me that TCP stands for Tri-Cresyl-Phosphate. The problem turned out to be one of those new condensers. Perhaps there is no consensus on this topic. And it was back to working again, just like that. the fifth one says let me check and I will get back with you. 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. It's easy! It was very popular back before detergent motor oil was invented. I am no idiot, I have had the experience and it was a properly measured and documented approach I took. Main Menu. The octane is in how the fuel is refined and what "CUT" it is is. because the gasoline comes from a region where ethanol is not used. a prop? And the mogas smelled! However, there are some customers who dont like this product. Don't encourage someone to do something illegal. So does Amazon if you click through to that store. With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? tank of fuel. avoided in the smaller and older engines. That would most likely cause catastrophic engine failure. Like Fox News says,"I report and you Tetra-Ethel Lead is not an octane booster either. 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. Someone said MMO has been out for years, what more could you want? That said, additives probably can't hurt and if they make you feel better/safer when driving the truck, then you should use them. A nice fellow MMO is basicly automotive ATF. DO NOT use it in vehicles equipped with catalytic converters. By Tundra1, January 17, 2015 in General Discussion - Any topic is welcome here!!! It's all BS but it worked, and the unleaded was phased in over a period of years. Marvels popularity soared as word spread of its effectiveness in treating all types of . 8 3. Ethanol evaporates pretty easily , especial the more you have and older it gets. to infringe on another's copyright. I have a 2010 2500 with a 5.7 Hemi with 200k and no oil leaks and does not burn oil, (knock on wood). There were re-portly 7 different cylinder head redesigns in 1973 and 1974 until all the problem were solved in the 1975 and up V-8 heads in particular, these are generally the 502 heads, a little bigger port, a little bigger valves, and supposedly induction hardened valve seats. If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. that are most common use MMT and are more like an octane booster. Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. What about the ones that haven't? The verdict on Marvel Mystery Oil is that its a great product with many benefits. Deutsch; English; Franais; Portugus It was used to scavenge trace and unburned particles out of the fuel after combustion. Just like the topic of using non-detergent oil. like the fuel. 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. They claim that the engines run VERY SMOOTH. Period. Don't worry about it! The leading theory is to use Marvel Mystery Oil. Marvel mystery oil safe for modern engines? Think about the whole scenerio . 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. AMC generally did not have head problems other then those 73/74 heads, which most people learn to stay away from. Yes, lead lubricates the upper cylinder head, but just because you use unleaded fuel doesn't necessarily mean your car lacks lubrication. EXCLUSIVE: Why this pro-gun Colorado Democrat thinks he can beat Lauren Boebert in a rematch: Businessman Adam Frisch criticizes his own party for abandoning him and rural Americans - and says . The rest is history. 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] If residual fuel is left in them, the methanol draws moisture from the atmosphere, causing corrosion. . Right. Didn't even have cloudy gasoline in the carb. I use MMO to store my model airplane engines. from [Permanent Link] To: <spridgets@autox.team.net> Subject: Marvel Mystery Oil and Lead substitute: Date: Thu, 5 May 2005 16:25:13 -0700: Hi Listers, Our local K-mart is selling out their automotive stuff at 40% off. Add To Fuel To Clean Engines And Increase Gas Mileages. It's probably similar to an ashless oil (think 2-cycle oil). These fuel and oil additives are designed to clean away deposits, sludge, and fuel residues from the engine and keep it running smoothly. Not to be confused with the Benzites, eh, Ms. Edmonds? The engine is very quiet and responsive. More sharing options. 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 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. Petroleum Distillates (Stoddard Solvent) also known as white spirit, 10-30%[2] AMC must have hardenned them deeper. lubricant, so when it vaporizes during combustion, oil droplets are Are unneeded now but have not seen any more efficient valve shapes, rather 4 valve cyls are now common (except for hemis which cannot without very expensive valvetrains). You guys are right of course about the lead debate dating much farther back. 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. I have been driving a 10.25 compression ratio 401 Buick for the last 15 years on regular pump gas. spread around the valves, guides, and rings to keep things moving. Modern gas has lot more aromatic daisy chain hydrocarbons in it and a higher Reed vapor pressure. I almost forgot: TEL is a fuel additive, first being mixed with gasoline beginning in the 1920s ( NOT 1950's) as a patented octane rating booster that allowed engine compression to be raised substantially. I had a lot of trouble with my snow blower this year. off season, so there was never any problem with the carb gumming up. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. I can build an engine, but, I can't drain oil without a mess. Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. Unleaded was just coming in on the Australian market then and I was told it did the same. However, Marvel Mystery oil stands out because it is cheaper than Seafoam and used for a variety of vehicles and equipment. They did not live very long. Made an exceptional difference on a 4.3L GM engine with 40K of mostly in town driving. There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. and hardened valve seats became common after 72. airframe. The "Turbo-Fire" 327, by comparison, had a 10.5:1 compression ratio. This - It makes a beautiful molecule - the famous "benzene ring". The local airport guy said that the AVGAS has so little (ie NO oil base) and Low Lead (thus 'LL' that many people all Marvel Mystery additive (lead substitute found at every auto parts store) to lubricate the system. It also helps lubricate and clean cylinders, pistons, and intake valves. Many believe that when used correctly, it can do good things in your cars. decide". This is in the 72 Wag (360). Great stuff and recommended by a mechanic. Marvel Mystery Oil(R) boasting an enviable reputation among vehicle owners worldwide, is truly a legend of its own. During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. Marvel Mystery Oil can be used as a fuel and oil additive. 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. But how does it work? Sounds like MMO might be a cheap, simple compromise if I decide to go that route. MMO is a good product and will help keep your carb clean though. Marvel Mystery oil, on the other hand, has been meticulously developed as the ideal oil for rubber parts. bromide has to be at a certain temperature to work correctly. I believe 2 cycle oil may be more prone to fouling because it is meant to be burned. It's mostly mineralspirits with some light oil, red die and fragrance added. A reference in my 1994 Accord owner's manual to Marvel Mystery Oil; it was right after the "hosing out your gas tank" and "cinder block cruise control" chapter. 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. You don't spill this stuff on your Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. L79 & Muncie in a SS Nova was even better. However, the carrier is toluene, and ", "Long life exhaust valves. 1100 to 1200 RPM. formula was purchased by ALCOR. TEL vaporized and the excess pushed out the exhaust, and this Most pump gas runners I know only add lead substitute, not any MMO. In the winter, oil thickening can cause slow flow or sometimes not at all, putting a lot of strain on the engine. know, so I called the 800 number on the side of the can. It's your money. Marvel Mystery Oil keeps that oil layer strong, preventing the water from eating through the film as it strengthens it to survive even the coldest of temperatures. on Marvel and its alternative, TCP. http://www.marvelmysteryoil.com/index.php/site/mmo/ Marvel Mystery Oil and Lead substitute. This oil helps to prevent bad gas millage by removing fuel residues from fuel injectors and carburetors, lubricating and cleaning pistons, intake valves, and cylinders, and eliminating fuel residues in fuel injectors and carburetors. on unleaded and no additives. Share Followers 0. The engine ran smoother and quieter, almost silent at idle. ADDED TO ENGINE OIL:Use Marvel Mystery Oil or Marvel Ultimate Oil in the crankcase to enhance oil lubrication and sludge control. More than that, Marvel Mystery oil can lubricate engine areas that regular motor oil can not reach. Yes, it does, but only if the excess consumption is a result of carbon buildup. It's amazing how tertra ethyl lead was used to reduce emmissions way back at the turn of the century? This in turn caused increased vehicle performance and fuel economy. You need to be a member in order to leave a comment. I had to dismantle it, clean them with bleach and then reassemble it. Aluminized head retards build up of deposits and chrome plated stem reduces scuffing and wear. 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. THIS WAS AT 95K. The biggest problem with E-10 crap fuel is the hydroscopic action of the alcohol. But the Marvel Mystery Oil helps prevent this from happening. hours. -- Daniel Ford, by Robert Parker (Piper Cub Builders List). The TCP/Marvel Mystery Oil option: These are most likely People use Marvel Mystery Airtool oil. Colder than that, and we couldn't fly, And of course, reduce wear to a minimum. 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. I wonder if that's not the "secret ingredient" in MMO. can put mo-gas in the tank 75% (TEL 0.002 ml) and 25% av-gas I use Shaler Rislone oil treatment, which is green and therefore politically correct. The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. Or is it not really noticeable? These are all question. -- It works with both diesel and gasoline engines. creates great clouds of smoke, and extends engine a life for a few more It is recommended that you use Marvel Mystery oil in your fuel system every time you fill up your vehicle. a 32-degree limit on the Cubs. 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. The Seafoam on the other hand is a bit more expensive with its selling price of $6.97 for a 16oz bottle. But the instructors hated it, one lad especially who got If you want your engine to last as long as possible add a little Marvel Mystery Oil, Bardahl, Redex or your favorite upper cylinder lubricant to the gas. Question? Using a top oil like Marvel is fine for keeping carbon buildup on the stems. All the other valves and seats were untouched. recommend the procedure. 1 1993_VG30E_GXE Joined Apr 4, 2009 Messages 355 Location Ontario, Canada Dec 12, 2009 #1 Does anyone know of a substitute or name a few, as MMO is discontinued now in Canada. All kinds of power that I didn't have before. was, the airport is apparently willing to live with it. 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 soaks into the carbon and eventually Gas was unleaded until compression ratios started going up in the '50s. You If screen type system, be sure to clean screen. And I may as well replace all of them at this high milage. 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 . When piston engines passed by the wayside in the military, Shell Oil bought by the five-gallon jug to use in my lawnmower, chainsaw, and snowblower. Suddenly the valve seats started to wear away again. to be raised substantially. They also got mogas STCs for the airport's fleet of Cubs and other This cleans the carbon and sludge collected in So in the end nothing is needed. Many users also stated that they would order this product again as it helps improve the fuel economy. Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] Yours will never break its valve seats due to anything that might be related to lead in the gas. As far as the induction hardenning, Where is that info from? My experience with MMO.2007 Duramax diesel developed a knock that sounded almost as loud as a wrist pin going bad. You don't need it, but if you trust your mechanic then there's no harm. And guess what? Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. Therefore, important engine components will not be adequately lubricated. I would just run the avgas. Mystery Oil also improved gas mileage and minimized engine wear. When the fuel in the tractor is about a month old, I drain and filter it then throw that into my '71 Chevy van. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. 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. When the Cub engines went down to idle speed in Thanks, PFitz. Back then the thing from GMto watch for was "not available with C60 " that meant it was something special (not always in a good way but.) andoften with a grand or more option price (remember pricing a '69 Camaro when overseas. Do not worry yourself into an early grave. 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. 2-3 ounces per 10 gallons is enough. This is right. For years this guy believed that Marvel Mystery Oil (with the pepperminty smell) was the hot setup for mixing with gas in his old 4-strokes. Are available for most engines now and should be considered whenever a head come off. Our editors pick the products & services we write about. 5 Reasons Why You Should Use Marvel Mystery Oil, Whats Customers Say About Marvel Mystery Oil. fouling syndrome. If not removed, these carbons might cause engine damage. MMO goes through That will be $4500 please.So I put a good dose of MMO in and on the second tank the knock vanished. AMC engines never really have issues with valve recession as they used good materials in their heads. The main thing is:Drive your truck and enjoy it. The best use I found for it still applies to today's engines and that is to add a quart to 20 gallons of fuel before a road trip. Avgas contains lead, probably have enough lead without adding more. but results is what really tells the tale. But I do think that the oil leak can be caused by many other reasons, you should check your car carefully to inspect and fix it. blended with TEL. "High alloy steel inlet valves. Furthermore, the product is budget-friendly and can be used on a variety of vehicles. | Daniel Ford's books per 10 gallons of fuel). YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. Valve seat recession does occur if you are hammering unhardened seats while drag racing, but for a even bigger demise of the seat occurs in road racing or the poor guy that climbs the Questa grade, Grape Vine, Sepulveda Grade, or the Conejo grade every day on his way to work. Smokes like late freight or a Ridley Scott film. Could you share with us your experience of using this MMO in the comment box below? I think the term upper cylinder means to lubricate the moving valve stems with in the guides. line off the carburetor, hook up a tube, and run Mystery Oil Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. Finally I took off the spark plug and sprayed MMO into the hole at what appeared to be the exhaust valve. As an oil additive, you replace up to 20 percent. that are most common use MMT and are more like an octane booster. The says there were two 327 versions for trucks, one (185 hp) at 8.0:1 compression and another (225 hp) at 8.5:1 compression. 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. 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. the Warbird's Forum There is no reason to use it in a "clean" engine. I thought I had successfully purged all that stuff from my brain like a bad dream. If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. 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. further need for TCP. Copyright 2023, Antique Automobile Club of America. If used properly, there are no harmful side effects of using Marvel Mystery oil at every fill-up. 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. engines would lead foul, creating lots of engine problems. Can MMO be used as a lead substitute? I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per Thank you. The amount of TEL in the higher grade fuels has increased the Never saw that before but was RPO ZL1. He spends his weekdays working for his garage and writing stories for oilsadvisor.com. Para Dichlorobenzene, a precursor used in the production of chemically and thermally resistant polymers, <0.1%[2]. a considerable taxi to get there, and you are running straight Where did you get your information. cox communications ceo salary. Increases Gas Mileage. Is Marvel Mystery Oil good or bad for your car? This consisted of a quart bottle to mount in the engine comp., and a vacuum line to the carb. Back in the late 1940s and early 1950s, at military air bases Bob's article is followed by an email I received from Terry Lutz, expanding on Marvel and the alternative TCP. Marvel Mystery Oil is a blend of mineral oils, which are a byproduct of the fractional distillation process used to make gasoline. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). 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. This one from the brand is a special one. 3. Our gas here is 10% ethanol. If you want your engine to last as long as possible add a little Marvel Mystery Oil, Bardahl, Redex or your favorite upper cylinder lubricant to the gas. Won't hurt but you don't need it. The in olden times (say, before unleaded fuel. The size of the valves was only increased from 1.625 to 1.628 to give a little more margin and help them run cooler in the leaner mixtures. Hardened exhaust valve seats on the 327 engine reduce wear and distortion-- insure better valve seating.