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. In terms of pricing, both fuel additives have a pretty significant difference. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. scavenge the lead from the fuel to keep lead from ever forming on vital But the instructors hated it, one lad especially who got and a lot of people are using it. Avgas contains lead, probably have enough lead without adding more. More than that, he used it in the fuel with every fillup. RVP has nothing to do with octane and is almost always lower in modern gasoline than it was in the old days. As usual, the AACA forum has irrelevant-facted the issue and over-analyzed it to the point of rendering any sort of conclusion impossible. Petroleum Distillates (Stoddard Solvent) also known as white spirit, 10-30%[2] Marvel Mystery Oil and Lead substitute. A 2 cycle oil is designed to burn. The mileage appears to be 34,000. He explained why in a post on the Cub Builders mailing list, They did not live very long. (If you So I guess the question comes down like this: Sign up for a new account in our community. them my engine had quit and would they please send someone out to give me I think the term upper cylinder means to lubricate the moving valve stems with in the guides. Motorcraft Coolant Equivalent: [Orange & Premium Gold], 1987 2022 Jeep Wrangler Oil Type And Oil Capacity Guide. These fuel and oil additives are designed to clean away deposits, sludge, and fuel residues from the engine and keep it running smoothly. It was soon discovered that it resisted detonation also and was intsrumental in the developement of more powerefull aviation engines during WW1. There is no reason to use it in a "clean" engine. decide". 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. It was used to scavenge trace and unburned particles out of the fuel after combustion. like the fuel. Your email address will not be published. A mechanic I know says to put a little of this in. The pump hushed and is still in there2 monthslater. Definitely not a Corvette motor. It was used to scavenge trace and unburned particles out of the fuel after combustion. That hot topic debate was even earlier in the 70's. Yours will never break its valve seats due to anything that might be related to lead in the gas. Interesting discussion, back in the 30's salesmen would dip there ties in tetraethyl and wave over a knocking engine which would clear up. avoided in the smaller and older engines. Share Followers 0. When valves are beginning to stick, it will Yeah, anything can fail, but there is no way I would take that engine apart because of the valve seats. The lead subs. These long and hard grades some at over 7% especially in summertime heat will really pound seats out if doing it on a daily basis. They have quarts of Marvel mystery oil for about $2.00 each. MMO is a good product and will help keep your carb clean though. 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] I first experienced this in the Toyota 12R engine (I think that's the right designation, 1600cc pushrod) in a Hi-Ace. Honda ATF DW-1 Equivalent [Safe Alternatives To Use]. Of course, when unleaded fuel came out, there was no I think this gas additive hypeis more a necessity for sales thanbased on any actual need for protecting the engine. Carbon deposits will cause motor oil to burn more than usual. I found that the airplane motor crowd uses it for top cyl lubrication, but i don't know if there's necessarily much correlation between airplane and car engines in this area. Mystery Oil also improved gas mileage and minimized engine wear. Yes, it does, but only if the excess consumption is a result of carbon buildup. They said that it caused oil leak in his Chevy Silverado 2004. Also does Marvel mystery oil work? normal drop. This site sets no cookies, but the Mailchimp sign-up service whether because of transportation problems (alcohol absorbs water) or I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. engine parts. 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. See for yourself. -- Daniel Ford, by Robert Parker (Piper Cub Builders List). But the Marvel Mystery Oil helps prevent this from happening. Reply #2 on: September 30, 2020, 09:06:35 am . can put mo-gas in the tank 75% (TEL 0.002 ml) and 25% av-gas As it turns out, the valve seat recession occurred in engines that were run hard (such as towing and drag racing), and in ordinary street engines not so much. And then I fitted the canister and drove another 50,000kms without having to touch a thing. thanksStan. You are actually in error on many of your assumptions. Regularly use Marvel in your oil and fuel for a smoother, quieter engine. This improves your gas mileage by increasing the . erosion incidents, reported on some lower compression engines. Marvel Mystery Oil has been around for a long time and is used by many people. Sale. Posted September 2019. Here's my scenario. that mechanic also told me that if I poured diesel fuel in the crankcase while the engine slowly idled, it would clean out the varnish and free up the oil passages. Engine. Sign in or register to get started. fouling syndrome. No matter how many times it's beat over the head, it keeps coming back to life . not do their job. 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. Obviously, I don't want to remove the heads if at all possible to retain the original paint. Instead of a 'lead substitute', try Marvel mystery oil. Post in the forum instead. The pickup is driven sparingly, just a few hundred miles per year, if that. Not documented, but everything about the vehicle leads me to believe it's accurate. Marvel Mystery Oil is top end lubricant , not an octane booster. Also, some others stated that the price of this additive is quite high. This engine still wears it's factory paint and decals so I'm assuming that it has never been apart. 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. I have a 2010 2500 with a 5.7 Hemi with 200k and no oil leaks and does not burn oil, (knock on wood). Hard seats are added to earlier heads by machining out the old seats and installing an insert. I contacted the maker and he asked what fuel I was using. Each exhaust valve required adjusting after that time, about 0.015" on every single one of them. Ha ha! Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 Just like the topic of using non-detergent oil. Marvel Mystery Oil is top end lubricant , not an octane booster. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. Thank you. Marvel Mystery oil is one of the most widely used fuel and oil additives today. load up with straight mogas before it was adulterated for highway use. Many are getting 400k out of these truck easily. Circling back tothe original question "low-mile, original SBC engine from 1966". Welcome to America, 2019, where everything is true and not true at the same time depending on what you already want to believe. Followers 4 . But aviation fuel continued to contain lead, so the Drive with unleaded and be happy. Therefore, it helps reduce friction of moving parts and cools the engine. combustion, there is a chemical reaction between TCP and the lead in the Therefore, carbon deposits can be broken down and dissolved with the use of this oil additive. This in turn caused increased vehicle performance and fuel economy. What about the ones that haven't? a 32-degree limit on the Cubs. It looks like you're new here. Okay, thats not a trick subject line. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! 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. Think about the whole scenerio . Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. Didn't even have cloudy gasoline in the carb. 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. I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per It's mostly mineralspirits with some light oil, red die and fragrance added. my great uncle was a ww 2 army air corp airplane mechanic .. he swore by the stuff .. he put marvel in everything that ran on fuel.. he instilled his great wisdom to me an so do i.. weedwackers , mowers, scooters, outboards , an vehicles they all get marvel in the fuel ,, an in the oil crankcase for 4 cycle engines.. 2 cycle / 4 cycle ,, they all get treated every fill up .. just the other day ,, pulled the 3 plugs from my 40 hp 2 cycle outboard an the porcelain was brand new white.. an i ran them all summer since spring .. anyway,, this stuff works .. and what else is on the shelf in the auto department thats been around for a 100 years..!! Ethanol much more readily evaporates then pure gas which basically can not get any more. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. Start with the Scriptures. So, whats the truth? 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. Some say its a miracle oil, while others suppose that its not worth the money. (And no, Marvel Mystery Oil(R) boasting an enviable reputation among vehicle owners worldwide, is truly a legend of its own. 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. It works with both diesel and gasoline engines. Marvel Mystery oil Marvel Mystery oil. Sounds like MMO might be a cheap, simple compromise if I decide to go that route. Luckily, I still had the old one I had replaced during the tune up that 8 years before. It's easy! Mystery Oil is a top cylinder Lead (TEL) was a necessity. You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. I use an additive (CD-32)in my Judge with #12 heads. I found at the time there is a simple fact relating to these devices. Oil does a better job of preventing galling on the lands, and chip rewelding, which I doubt you're getting into. It was thought that since the automakers were induction hardening valve seats in the unleaded era that it must be necessary. Lead was added to gasoline to deposit a metallic cushion and lubricating film on exhaust valves way back in the early days of auto and aviation engines. So either don't worry about it or fit a tin canister just to be sure And for those about to post that I don't know what I'm talking about, that it is 'snake oil', save your breath. EAA has an answer, after 5 different people and 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). Spark plugs in cars can become stuck and difficult to remove over time. The engine ran smoother and quieter, almost silent at idle. 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. Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. on Marvel and its alternative, TCP. Not sure if still available but have a few years supply. When you buy through our links, we may get a commission. Like Fox News says,"I report and you You know when you pull a magneto check at the runup area after Hampton Airfield 7B3 is located on the New Hampshire seacoast, It was a big problem! 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 . - It makes a beautiful molecule - the famous "benzene ring". Works OK in modern fuel injected engines , not so well in old carburetor-ed engines, as they also use too much ethanol in the gas. 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 I may as well replace all of them at this high milage. Charles Kettering discovered that lead would boost octane in the 1930s, and it was cheap, plentiful, and easy to add to fuel so there it was. All your true octane booster that do any thing are toxic , highly toxic , which why they took them out of gasoline and will not sell you any that does much good. fuel to form lead phosphate, which comes out of the exhaust stack as a grey I think he was right thoughthe internal explosion of the diesel fuel as it gets compressed between the main bearings would probably clean it up pretty good, it would disassemble it for me, then if I didn't die, I could rebuild it in the parking lot over the next few days (if I didn't get arrested) and it would no longer use any oil. 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. AMC must have hardenned them deeper. He explained why in a post on the Cub Builders mailing list, which I have adapted here with his permission. Perhaps there is no consensus on this topic. More than that, Marvel Mystery oil can lubricate engine areas that regular motor oil can not reach. and hardened valve seats became common after 72. Tetra-Ethel Lead is not an octane booster either. There is not really any difference in the seat area. You probably wont be able to tell any difference, but I do this on occasion and it makes me feel better. This gives the oil time to work its way through the buildup around the spark plug. OR THE CROWING OF THE NOBLE COCK BENEVENTANO. 3. -- Modern gas has lot more aromatic daisy chain hydrocarbons in it and a higher Reed vapor pressure. Paul the reason I said the middle 70's was because we all got concerned that the gov. Where did you get your information. Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. Drive it as it is, put regular gas in it and stop worrying. I don't think I've seen so many responses so quickly to a post before. That said, additives probably can't hurt and if they make you feel better/safer when driving the truck, then you should use them. by the five-gallon jug to use in my lawnmower, chainsaw, and snowblower. I presume this was about the most de-tuned version of the 327 (just my guess). (100LL at 2.00 ml TEL) and you have the same 0.50 ml TEL that 80/87 An 11-year-old girl in Detroit had to get staples in her head after . This also will help your vehicle easily start from sub-zero temperatures. Worse, I once had the engine quit as I was coming in for a landing, 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. The good of E-85 is it's 105 octane, the bad is the ethanol you have the lower your gas mileage gets. Marvel Mystery Oil helps unleash maximum power and performance while extending engine life. Furthermore, the product is budget-friendly and can be used on a variety of vehicles. So after a year or two, the STCs For instance, if your engine requires 5 quarts of engine oil, use 4 quarts of oil and 1 quart of Mystery Oil. So in the end nothing is needed. MMO is basicly automotive ATF. Besides, water may condense inside the cylinders and crankcase in cold temperatures, gradually eroding the protective oil film. Its formula contains an oil-thinning ability that solves this problem. After a few such experiences, the airport put Since 80-octane fuel has disappeared from Michigan, there has lead build up and fouling of spark plugs, along with valve That would most likely cause catastrophic engine failure. Robert Parker used Marvel Mystery Oil to reduce the buildup of lead GM bought the rights to much of Pierce's work and hired him as a consultant. recommend the procedure. Tetra-Ethel Lead is not an octane booster either. Others say a bit of Marvel Mystery oil in each tank is a good idea. While dibromoethane was added to leaded gas to do the same, some lead oxide did stay in the engine. I use it some times for short term preservation because I like the smell. | Reading Proust. By creating a top ring seal, it produced higher compression and, by preventing blow-by on power strokes, it resulted in more power. They claim that the engines run VERY SMOOTH. So it must be scrubbing a bit of carbon off. I have a 1966 Chevy 327 in a low-mile, original pickup. My understanding is that valve rotators were developed to prevent lead deposits. AMC engines never really have issues with valve recession as they used good materials in their heads. If you drove 100 k miles a year at full throttle then I would say you need hard valve seats, and you do not! Not to be confused with the Benzites, eh, Ms. Edmonds? the engine passages and crevices and hydraulic lifters, and stores it I recommend my customers addMMO to the gas tankmore for protecting and keepingthe fuel system and upper rings cleaner and not sticking as the more violate gasolines of todaydry out from not being run for a few weeks or more. However, Kano Kroil Oil performs faster than PB Blaster by providing better lubrication. Also the single quad L88 at 430 hp and the pundits top tripower at 435. Deutsch; English; Franais; Portugus on cumbustion chamber walls, valve guides, around the valve stem, Check the compression. Marvel Mystery oil and Seafoam are equally excellent products. sebastian seymour, lord seymour hours. Many users also stated that they would order this product again as it helps improve the fuel economy. TCP to treat 10 gallons of gas. Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. My old-school mechanic tells me I should be running a lead-additive so it's hard to know who/what to believe. cut-off time, for first use. After a while, your vehicles engine may begin to malfunction. Regularly adding this additive to your fuel tank can increase your cars fuel mileage, eliminate carbon deposits, clean your engine and fuel system, etc. to do the cleaning job. Cleaning firearms with Marvel Mystery Oil? The old timers would use it The series ran for five seasons on CBS, lasting 158 half-hour episodes, all filmed in black-and-white.Creator/writer Carl Reiner had told the cast from the beginning that . bromide has to be at a certain temperature to work correctly. that our friendly 80 octane had. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. The lead does not remain in the engine, and can't build up on Should one use a 5w-30 or 5w-40 if adding a quart or 20% of MMO to regular oil due to the Viscosity change. was also left to ponder what would have happened if I had overshot and You can also just pour the stuff into the cylinders and run the I have also seen boaters with oil injected outboards run MMO in the fuel as an upper cylinder lubricant. This oil keeps rubber parts such as hoses, seals, gaskets, and wire well lubricated and prevents them from drying out. That fourth tank however, you will still have the spark plug 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. Marvel Mystery Oil MM12R - 16 Fl Oz. Is Marvel Mystery Oil good or bad for your car? Add To Fuel To Clean Engines And Increase Gas Mileages. high manifold pressures the wartime engines were operating at, Tetra Ethyl Old standbys like Bardahl. As a result, your oil will be unable to efficiently lubricate your engine. That didn't bother me, sitting in back as I did, And the mineral spirits burns rather cleanly. -- Dan Ford That Marvel-ous Mystery Oil Wether you use it right before a change, to replace a quart of oil, or just use it in the fuel tank is a matter of preference and I'm sure wont' hurt a thing used any of these ways. The 'lead replacement petrol' wasn't doing any good at all. 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. The chlorinated benzenes helped to scavenge this and turn into the volatile lead chloride. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. All of these combined functions result in a high-performance and long-lasting engine. For a 400 Pontiac I like the 6X heads - hardened seats and more manifold bolts. Understanding that the various brands of what I call 'tin canisters, which are marketed under many names, worked to save valve seats by leaching tin into the fuel, I ordered one. 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). If screen type system, be sure to clean screen. 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? named Rick told me that TCP stands for Tri-Cresyl-Phosphate. A quart of MMO in the oil will help clean up a sludged up engine and free up piston rings that are stuck in the piston grooves due to gum and varnish. I have used Marvel many times over the years. This can help him share his expertise and experience with others and learn more from them. Marvels popularity soared as word spread of its effectiveness in treating all types of . Keep on posting. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. When it enters the combustion chamber and the Unlikely that you'll see any notable damage to your pickup's engine using straight unleaded gas. WHEN I DID THIS I ALSO CLEANED OUT THE PUSH RODS AND POURED MMO IN THEM. a prop? You don't spill this stuff on your An average passenger car tank is 15 gallons so you would add 6 ounces at every fill-up. 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. Made an exceptional difference on a 4.3L GM engine with 40K of mostly in town driving. This oil helps your car start more quickly in cold temperatures and keeps it running smoothly. The leading theory is to use Marvel Mystery Oil. Simple. Our editors pick the products & services we write about. So in the end, Marvel Mystery oil isn't a gimmick. the fifth one says let me check and I will get back with you. Or is it not really noticeable? There And it was back to working again, just like that. 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 . 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. Back in the 50's the Marvel Co. sold automatic dispensers for their product. He also loves making connections and friends in the automotive industry. He hasnt had to replace the crappy fuel pump yet, even after 300k miles. Do not worry yourself into an early grave. Many believe that when used correctly, it can do good things in your cars. MY 86 CJ-7 NEEDED THE HEAD GASKET REPLACED. had. Before that is was all the hype about new cars being unleaded only. Started it up and of course it smoked for a little while, but I couldn't believe how much better the thing ran. All kinds of power that I didn't have before. the fourth is a tank of av-gas (100LL) Either of these work OK. When the Cub engines went down to idle speed in When Marvel Mystery oil is applied, it can dramatically slow down this process. Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. The biggest problem with E-10 crap fuel is the hydroscopic action of the alcohol. Jul 14, 2017. Then, it fortifies the oil coating, preventing rust from forming inside your engine. There is a very good article on RVP and specific gravities as well as othe things relative to custom blending of racing fuels available from Torco and I beleive Sunoco has some litteriture also. Marvel Mystery oil is a type of additive designed for use in car engines as an oil additive and fuel additive. Don't worry about it! Great stuff and recommended by a mechanic. It is the "interesting" engines that may need more protection but few of these are driven often and mostly use race/AV gas. powder. We are putting 89 octane in, and adding a can of lead substitute every tank right now. 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. 5.7. At the temperatures found in the combustion chamber of a cylinder, MM oil will be vaporized. Copyright 2023, Antique Automobile Club of America. However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. off season, so there was never any problem with the carb gumming up. These are all question. What's Customers Say About Marvel Mystery Oil. were taken off, the mogas tank was topped off with 100LL, and the Lead was an octane booster. Thanks, PFitz. This cleans the carbon and sludge collected in As a result, your car will have to work harder to generate enough power to crank the engine. 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. engines would lead foul, creating lots of engine problems. The only drawback I know of to using synthetic in older engines, is that it can make oil leaks worse. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. much of northern New England's gasoline comes arrives. It will double the life of rings and valves. related: Seafoam vs BG 44K: Head-to-Head Comparison. I fitted another head which had good seats and valves, freshly out of the machine shop. It has everything it it your engine needs. #64741-49-9, or may substitute "Stoddard Solvent", CAS #8052-41-3, or. Yes, that explains how it keeps the bugs out of your engine.