hours. Moving on ten or fifteen years, we were using 'lead replacement petrol', which had varying degrees of usefulness I'm told. Hard seats are added to earlier heads by machining out the old seats and installing an insert. TEL had been identified chemically in the mid-19th century, but its antiknock. Honda ATF DW-1 Equivalent [Safe Alternatives To Use]. It also helps lubricate and clean cylinders, pistons, and intake valves. Smokes like late freight or a Ridley Scott film. Both are high in detergents I can build an engine, but, I can't drain oil without a mess. I had a lot of trouble with my snow blower this year. When Marvel Mystery oil is applied, it can dramatically slow down this process. At the instant of It thins the oil and dilutes it. N201MKTurbo. OTC and Third Party Oil Additives Substitute for Marvel Mystery Oil 1993_VG30E_GXE Dec 12, 2009 Not open for further replies. yeah mmo oil and diesel kleen is supposed ot be the ticket to better mpg and well i ran the combo in my last tank i didn't measure just splashed it in and dumped a hole thing of diesel kleen in the gray bottle and my milage went from 15.5 to 18+ don't belive me fine don't. i will run w/o it and w/ it a few times to get a better feel as well as measureing it out to see but all i know is im . It is great for old,abused and sludged up engines. Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 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. I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per 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. Drive with unleaded and be happy. Discover Whether that's due to using additives or not using additives is for the anecdotal evidence pile. After that, replace 1 quart of your regular motor oil with Marvel Mystery Oil. My experience with MMO.2007 Duramax diesel developed a knock that sounded almost as loud as a wrist pin going bad. install one-half pint MMO. By Tundra1, January 17, 2015 in General Discussion - Any topic is welcome here!!! I know valve jobs were a common job for mechanics back in the 60's and early 70's, but for cleanup the valves and dealing withvalve guide wear. Marvel Mystery Oil helps unleash maximum power and performance while extending engine life. You know when you pull a magneto check at the runup area after lead build up and fouling of spark plugs, along with valve To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. about the same thing, with small changes in the recipe, so as not Air cooled VW's loved MMO for long road trips! He hasnt had to replace the crappy fuel pump yet, even after 300k miles. I think the can looks neat. Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. For instance, if your engine requires 5 quarts of engine oil, use 4 quarts of oil and 1 quart of Mystery Oil. THIS WAS AT 95K. It has everything it it your engine needs. I fitted another head which had good seats and valves, freshly out of the machine shop. I follow Bob's article by my own 3/ When Should You Use Marvel Mystery Oil? I use it at every oil change to replace one quart of new oil and use it regulary in my fuel tank. (Pack of 2) 1,388 $1776 $19.40 FREE delivery on $25 shipped by Amazon. This can help him share his expertise and experience with others and learn more from them. At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil or Marvel Ultimate Oil. I use Marvel in the fuel in my A.C. WD-45 tractor. However, Marvel Mystery oil stands out because it is cheaper than Seafoam and used for a variety of vehicles and equipment. 5.7. And guess what? through directly through the carburetor while the engine is running. The following is my experience with valve seat recession. This site sets no cookies, but the Mailchimp sign-up service 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. I first experienced this in the Toyota 12R engine (I think that's the right designation, 1600cc pushrod) in a Hi-Ace. were taken off, the mogas tank was topped off with 100LL, and the to use Marvel Mystery Oil. A mechanic I know says to put a little of this in. Inquiring minds want to Problem with regular Marvel Mystery Oil is that it will combine with castor oil residue and, over a period of time, form a hard red crud. This is generally regarded as good stuff, and a lot of people are using it. Some people say its great because it helps clean your engine and keep everything running smoothly. A 2 cycle oil is designed to burn. 2-3 ounces per 10 gallons is enough. Same color, same smell. much of northern New England's gasoline comes arrives. story, there's no alcohol in the fuel when it comes ashore at Portland, One customer said, I added MMO to my 12 Ram 2500 diesel tank. been a lot of talk about what to do so that lead fouling can be Just a little correction here. You don't spill this stuff on your This improves your gas mileage by increasing the . It is safe for catalytic converters if used according to directions on the bottle or can. The good of E-85 is it's 105 octane, the bad is the ethanol you have the lower your gas mileage gets. Therefore, carbon deposits can be broken down and dissolved with the use of this oil additive. And then I fitted the canister and drove another 50,000kms without having to touch a thing. MMO is basicly automotive ATF. Right. So the airport could hire a tanker truck to go to the terminal and Won't hurt but you don't need it. thanksStan. fuel to form lead phosphate, which comes out of the exhaust stack as a grey However we are addressing two totally different problems. Its formula contains an oil-thinning ability that solves this problem. #64741-49-9, or may substitute "Stoddard Solvent", CAS #8052-41-3, or. It's your money. Use the directions on the back for amount to put in the fuel per Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] Don't encourage someone to do something illegal. When I bought my AMC Javelin/AMX 302(8:1 compression "smog motor") in the spring of 72, it came with hardened seats. It only takes a few ounces of You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. lubricant, so when it vaporizes during combustion, oil droplets are Then, in the new oil, Suddenly the valve seats started to wear away again. Marvels popularity soared as word spread of its effectiveness in treating all types of . 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. 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 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 . Some will make it to the screen, but Slippery stuff! The "Turbo-Fire" 327, by comparison, had a 10.5:1 compression ratio. Mystery Oil is a top cylinder Marvel Mystery Oil is top end lubricant , not an octane booster. But the instructors hated it, one lad especially who got The engine ran smoother and quieter, almost silent at idle. In very short order this one seat dramatically ate itself away. Avgas contains lead, probably have enough lead without adding more. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. high manifold pressures the wartime engines were operating at, Tetra Ethyl Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. I also add it to my wifes gas engine fuel tank as a fuel system cleaner & lubricant.. It will double the life of rings and valves. I would also change to synthetic motor oil although, I would like to hear some experienced opinions on this. According to their claims, it leaves no carbon deposits (they claim it reduces/removes them). the fourth is a tank of av-gas (100LL) Either of these work OK. The lead subs. engine parts. Sorry if this has been discussed before (I know it has been). 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. Blue skies! Before that is was all the hype about new cars being unleaded only. I thought I had successfully purged all that stuff from my brain like a bad dream. Lead (TEL) was a necessity. I have driven my Pontiac daily for 59 years, putting 400,000+ miles on a 99,000 mile vehicle. THIS ELIMINATED THE VALVE TAP THAT HAD EXISTED PRIOR TO THIS WORK. "High alloy steel inlet valves. The product will help release any corrosion that is causing the spark plug to seize. Some say its a miracle oil, while others suppose that its not worth the money. Not sure if still available but have a few years supply. 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. 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. engines would lead foul, creating lots of engine problems. Ninety-five percent of customers gave it a four-star rating or above.This MMO received a lot of good comments from users. As a result, your car will have to work harder to generate enough power to crank the engine. "Mystery Oil", as it was originally called, proved to have other beneficial effects on the engine. Colder than that, and we couldn't fly, It was very popular back before detergent motor oil was invented. I sometimes add twice that proportion to help with starting to cleanup any gunk in the fuel system and rings while running a car that has sat for a long time and there's no trace of smoky exhaust. Using a top oil like Marvel is fine for keeping carbon buildup on the stems. Won't hurt but you don't need it. When the Cub engines went down to idle speed in This in turn caused increased vehicle performance and fuel economy. 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. the carburetor as a droplet, broken up I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. Don't worry about it! Cock-A-Doodle-Doo! (If you not do their job. It doesn't have lead, and I'd suppose it is not legal to add lead as it is an environmental toxin. Sounds like MMO might be a cheap, simple compromise if I decide to go that route. 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. 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. Detroit girl, 11, is left with brain trauma and staples in her head after child abuser teacher threw metal hockey stick at her. Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. 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 . Posted September 2019. 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 in turn caused increased vehicle performance and fuel economy. 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. When valves are beginning to stick, it will More than that, he used it in the fuel with every fillup. 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. All the other valves and seats were untouched. All kinds of power that I didn't have before. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. that are most common use MMT and are more like an octane booster. ", "Hydraulic valve lifters, both inlet and exhaust.". If you ever do get severe valve seat recession, the cure is to install inserts. Sometime they do, and other times that's the last you hear.) and with the wind whistling through the gaps between the windows and the Everyone must know about Mystery Oil. Some people swear by it, some people swear at it, Your donations help keep this valuable resource free and growing. Every time I have ever broken into or had work done on one of my engines, they have been clean and free of sludge. By Marvel Mystery Oil is top end lubricant , not an octane booster. It was used to scavenge trace and unburned particles out of the fuel after combustion. which again left me at the far end of the runway without power. Post in the forum instead. Question? We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. These fuel and oil additives are designed to clean away deposits, sludge, and fuel residues from the engine and keep it running smoothly. ", "Long life exhaust valves. Thank you. Didn't even have cloudy gasoline in the carb. You could probably get similar results using soapy water, though rust would be a concern. Copyright 2023, Antique Automobile Club of America. Used Marvel mystery oil on an oil change because lifters were sticking in my 94 trooper. Followers 4 . because the gasoline comes from a region where ethanol is not used. engine. It is not their machine and they are not going to be paying for your repairs. that lead is added to aviation fuel to boost octane rating, and with the There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. Which brings up an interesting topic: yes most mass production engines under about 10:1 compression and 4" bore (see "flame propagation rates") are reasonably safe under light duty on 93 PON. 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.) I don't see any pickle. them my engine had quit and would they please send someone out to give me 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 was more referring to the "sky is falling" warnings that were circulating when "leaded" fuel (not much lead left by then) finally disappeared. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. Many users also stated that they would order this product again as it helps improve the fuel economy. creates great clouds of smoke, and extends engine a life for a few more 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. With no alcohol in the system, the gasoline stayed fresh through the 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. Maybe so but I got yelled at by the station attendant when I tried it. It's more cleaner than oil. So I can imagine any lube, esp MMO, added could help a bit. Seafoam charges almost double the price of Marvel Mystery. Let's end this nonsense before the cloudy waters become opaque, eh? There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. Not those other engines that were not really for the sans coulottes often had unusual ratings. Our editors pick the products & services we write about. 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. Websites 1997-2019 Daniel Ford; all rights Personally, I was sorry to see the mogas go, because I bought it OKthis is to settle a bet. Back in the late 1940s and early 1950s, at military air bases The lead does not remain in the engine, and can't build up on I can't say if MMO enhances the fuel upon firing, but MMO may well aid sealing of valves, and rings at that critical moment when added rationale to fuel. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. Puts me in a bit of a pickle! 8 3. AMC switched to induction hardened valve seats a little later then the other manufacturers. It works with both diesel and gasoline engines. Marvel Mystery Oil and Lead substitute. Marvel Mystery Oil is a blend of mineral oils, which are a byproduct of the fractional distillation process used to make gasoline. They also got mogas STCs for the airport's fleet of Cubs and other There was some discussion in those days about guides, but it wasn't the main thing. Robert Parker uses Marvel Mystery Oil to reduce the buildup of lead from 100LL. Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? As Matt said it may not be necessary but doesn't hurt. 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. 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. decide". So in the end nothing is needed. 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. So it must be scrubbing a bit of carbon off. YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. You have a RPM drop that is excessive, and run the engine Just drive it on whatever gas comes out of the pump at your local gas station. July 9, 2019 in General Discussion. The 'lead replacement petrol' wasn't doing any good at all. Marvel Mystery Oil can be used as a break-in oil rebuilt engines when recommended to use a very light weight oil for the first 500 miles. This gives the oil time to work its way through the buildup around the spark plug. I have a 2010 2500 with a 5.7 Hemi with 200k and no oil leaks and does not burn oil, (knock on wood). I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. Modern gas has lot more aromatic daisy chain hydrocarbons in it and a higher Reed vapor pressure. It is the "interesting" engines that may need more protection but few of these are driven often and mostly use race/AV gas. Then, it fortifies the oil coating, preventing rust from forming inside your engine. The amount of TEL in the higher grade fuels has increased the If the gas has Ethanol, I also add appropriate portions of Star-Tron. there's some xylene in there, too. Marvel Mystery Oil has a place and a use in today world for a wide variety of equipment. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). it absorbs water out of the atmosphere. They claim that the engines run VERY SMOOTH. It contains additives that help lubricate and protect the engine. See Also: Lucas Vs Seafoam: Head-To-Head Comparison. 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. When you buy through our links, we may get a commission. further need for TCP. Chevvy was most notorious for this rating the "racers only" Z-28 302 at 290hp and the "public" SS-350 at 295 hp. Don't listen to them. Main Menu. and on the spark plug. I use an additive (CD-32)in my Judge with #12 heads. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". Marvel Mystery oil has been carefully designed with additional ingredients to help reduce oil consumption by preventing carbon build-up. spread around the valves, guides, and rings to keep things moving. Of course, when unleaded fuel came out, there was no Tetra-Ethel Lead is not an octane booster either. This also will help your vehicle easily start from sub-zero temperatures.