At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil or Marvel Ultimate Oil. "Mystery Oil", as it was originally called, proved to have other beneficial effects on the engine. This is generally regarded as good stuff, and a lot of people are using it. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. the fourth is a tank of av-gas (100LL) Either of these work OK. 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. You need to be a member in order to leave a comment. To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. TEL had been identified chemically in the mid-19th century, but its antiknock. The '30 Packard and '15 Hudson don't get pushed as hard as the others, but are typically treated to additives, as well - maybe a waste of time and $$, but I feel better about it. Ninety-five percent of customers gave it a four-star rating or above.This MMO received a lot of good comments from users. Marvel Mystery Oil. I am bringing this discussion out of the archives. There is no reason to use it in a "clean" engine. It is difficult to pick a winner amongst these two products. Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. 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. (If you Regular use can lead to improved fuel economy. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! Carbon deposits will cause motor oil to burn more than usual. i have a 2001 astro van 6 cylinder vortec with 250thou on it.. i bought it a year old .. an runs like a spanked race horse.. use marvel EVERY fill up.. no knocks an pings ,, just flat out gets it..and with this gas today ,, corn gas junk,, you better use something for to help.. its the engine destroyer..i even use a 1/2 quart in my oil at oil changes.. Nice i really enjoyed reading your blogs. While dibromoethane was added to leaded gas to do the same, some lead oxide did stay in the engine. 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. there are two STCs on the market for mo-gas, EAA and Petersen. Can MMO be used as a lead substitute? 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 . If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. Period. All kinds of power that I didn't have before. Oct 11, 2006 . load up with straight mogas before it was adulterated for highway use. Are cars nowadays wanting for top cyl lubrication with unleaded gas? To answer I'd need to know which SBC is being discussed. Marvel Mystery oil Marvel Mystery oil. Right. Deutsch; English; Franais; Portugus Then, in the new oil, It can be used as a fuel additive by mixing it with the gasoline in your tank. Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. was going to eliminate lead completely. Oil Enema.". blended with TEL. Seafoam charges almost double the price of Marvel Mystery. These are all question. No problems. Many are getting 400k out of these truck easily. Last edited: Mar 24, 2011 My wife said no FJ! MMO is basically mineral oil, thinner, and a dash of a chemical soap. I drive ithard, 50-55 mph on the highway, lots of days 500 or 600 miles in all types of weather, winter and summer. Cock-A-Doodle-Doo! Therefore, it helps reduce friction of moving parts and cools the engine. The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. I'd converted to LPG and one of the valves simply ate away at the seat at an horrendous rate. MMO may improve pump gas, but there is no need for it in avgas. 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. After posting Mr. Parker's article, I had a personal experience with Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. Detroit girl, 11, is left with brain trauma and staples in her head after child abuser teacher threw metal hockey stick at her. on unleaded and no additives. It contains additives that help lubricate and protect the engine. Here's my scenario. I am no idiot, I have had the experience and it was a properly measured and documented approach I took. sodly We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. Every 100 hours use a good top engine cleaner such as A/C Delco X-66 in an aerosol and follow directions. Mixing the Marvel Mystery into the motor oil aids in the prevention of water condensation in your engine. In a hard sealed full container (no vent), it should last a while. Sale. can put mo-gas in the tank 75% (TEL 0.002 ml) and 25% av-gas from 100LL. an answer for you. Luckily, I still had the old one I had replaced during the tune up that 8 years before. Or is it not really noticeable? There are a lot of debates about Marvel Mystery Oil is it good for your car or not? 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. up to a higher RPM for a few seconds and then recheck gives a AMC must have hardenned them deeper. The pickup is driven sparingly, just a few hundred miles per year, if that. The following is my experience with valve seat recession. '68Jav, and '90 Gold Rush trailer. OTOH many years ago racers agreed that STP might save the engine if starved for a few seconds under high load. on Marvel and its alternative, TCP. The engine is very quiet and responsive. You guys are right of course about the lead debate dating much farther back. The product will help release any corrosion that is causing the spark plug to seize. It was Your email address will not be published. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? This was a hot topic in the late 80s and early 90s. 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. 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). 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. And of course, reduce wear to a minimum. Its formula contains an oil-thinning ability that solves this problem. The lead subs. The exhaust valve must have been stuck before I sprayed the MMO. Reply #2 on: September 30, 2020, 09:06:35 am . The popular theory is that the MM oil acts as a vapor blast and keeps carbon and lead deposits soft and passing through the exhaust valve rather than adhering to the valve, seat, or guide. There is a bromide chemical in 100LL that is supposed to keep the EAA has an answer, after 5 different people and 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. Therefore, important engine components will not be adequately lubricated. Neither should be used for the first time The octane is in how the fuel is refined and what "CUT" it is is. in crank case a week or two before oil change. During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. And the mineral spirits burns rather cleanly. gasoline ignites, it is vaporized and soaks into the carbon buildup OR THE CROWING OF THE NOBLE COCK BENEVENTANO. This in turn caused increased vehicle performance and fuel economy. (I use Petersen's. normal drop. 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. Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. 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. The 'lead replacement petrol' wasn't doing any good at all. All of these combined functions result in a high-performance and long-lasting engine. 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. 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. Most boat owners run 4oz of MMO to ten gallons of fuel. 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! That hot topic debate was even earlier in the 70's. As Matt said it may not be necessary but doesn't hurt. 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. It was a big problem! AMC generally did not have head problems other then those 73/74 heads, which most people learn to stay away from. - It makes a beautiful molecule - the famous "benzene ring". TCP to treat 10 gallons of gas. Don't encourage someone to do something illegal. As far as the induction hardenning, Where is that info from? 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). If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". It does not mean that you need to cut the link with Seafoam . This one from the brand is a special one. Robert Parker used Marvel Mystery Oil to reduce the buildup of lead To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. 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. Slippery stuff! Or any? I follow Bob's article by my own LOL. They said that it caused oil leak in his Chevy Silverado 2004. Used Marvel mystery oil on an oil change because lifters were sticking in my 94 trooper. Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. Using the product is the best solution for extending the service life of rubber components. story, there's no alcohol in the fuel when it comes ashore at Portland, The quality of oils and the precise metering of fuel has nearly eliminated the varnish and gumming problems for cars driven under normal conditions. I had to dismantle it, clean them with bleach and then reassemble it. Hard seats are added to earlier heads by machining out the old seats and installing an insert. Using a top oil like Marvel is fine for keeping carbon buildup on the stems. we weren't allowed to prop the planes without someone in the cockpit.) Some will make it to the screen, but The oil will soften the carbon buildup in the heads and on the stem side of the valves. Anyone want to suggest that's a bad idea? Question? I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. The amount of TEL in the higher grade fuels has increased the My older brother ran an auto repair business back then and I was hanging around with other mechanicswhen I got involved withcars in the mid 60's. 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] fuel to form lead phosphate, which comes out of the exhaust stack as a grey 80/87 has 0.50 ml TEL [tetra-ethyl lead] per gallon and is dyed RED, 91/96 has 2.00 ml TEL per gallon and is dyed BLUE, 100LL has 2.00 ml TEL per gallon and is dyed BLUE, 100/130 has 3.00 ml TEL per gallon and is dyed GREEN, 115/145 has 4.60 ml TEL per gallon and is dyed PURPLE. 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. Check the compression. Post in the forum instead. This makes sludge and corrosion accumulate and causes damage. I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues.