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. It is difficult to pick a winner amongst these two products. Copyright 2023, Antique Automobile Club of America. Period. Then, in the new oil, 2/ Will Marvel Mystery Oil Reduce Oil Consumption? 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. Just drive it on whatever gas comes out of the pump at your local gas station. Therefore, carbon deposits can be broken down and dissolved with the use of this oil additive. He explained why in a post on the Cub Builders mailing list, about sixty miles from Portland, Maine, which happens to be the port where instructors at least filled up with straight 100LL. N201MKTurbo. L79 & Muncie in a SS Nova was even better. Petroleum Distillates (Stoddard Solvent) also known as white spirit, 10-30%[2] A mechanic saw me doing that, picked up his jaw, and told me to use MMO in the oil. which I adapted here with his permission. It's probably similar to an ashless oil (think 2-cycle oil). Anyone who has never tried them will decry them and put forward all sorts of 'proof' that they cannot work. combustion, there is a chemical reaction between TCP and the lead in the 8 3. Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. Finally I took off the spark plug and sprayed MMO into the hole at what appeared to be the exhaust valve. During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. That would most likely cause catastrophic engine failure. When valves are beginning to stick, it will ADDED TO ENGINE OIL:Use Marvel Mystery Oil or Marvel Ultimate Oil in the crankcase to enhance oil lubrication and sludge control. Use additives if you want, it won't hurt the engine. I am bringing this discussion out of the archives. Websites 1997-2019 Daniel Ford; all rights 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. Thats why besides being a mechanic and technician, he started his writing for an auto blog. manufactured without [additives]. I have a 2010 2500 with a 5.7 Hemi with 200k and no oil leaks and does not burn oil, (knock on wood). (If you 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. Carbon deposits will cause motor oil to burn more than usual. If not removed, these carbons might cause engine damage. Most boat owners run 4oz of MMO to ten gallons of fuel. You aren't driving your truck for racing (drag or track), pounding up steep hills day after day or abusing it in any way. Login; Register; Espaol. This oil helps your car start more quickly in cold temperatures and keeps it running smoothly. I wouldn't call Marvel Mystery oil a "lead additive." Cock-A-Doodle-Doo! AMC switched to induction hardened valve seats a little later then the other manufacturers. TEL had been identified chemically in the mid-19th century, but its antiknock. not do their job. I have wondered what adding MMO does to your 5w-20 as well. Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 Inquiring minds want to Don't encourage someone to do something illegal. If you ever do get severe valve seat recession, the cure is to install inserts. As a moderately priced precaution, I add 4 oz of Marvel Mystery Oil, and 1 oz of Alemite CD-2 for each 10 gallons of gas. a considerable taxi to get there, and you are running straight '04Ram,'99Plym.Van,"96Exploder,'79Dodge pickup, '71Jav. install one-half pint MMO. experience with mogas and, finally, by an email from Terry Lutz, expanding 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. In very short order this one seat dramatically ate itself away. This was a hot topic in the late 80s and early 90s. airframe. The mileage appears to be 34,000. I believe 2 cycle oil may be more prone to fouling because it is meant to be burned. Not documented, but everything about the vehicle leads me to believe it's accurate. 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. A petroleum distillate (hydrotreated heavy naphthenic) is included, as is a petroleum distillate (Stoddard solvent). It will double the life of rings and valves. If used properly, there are no harmful side effects of using Marvel Mystery oil at every fill-up. Regular use can lead to improved fuel economy. The exhaust valve must have been stuck before I sprayed the MMO. When piston engines passed by the wayside in the military, Shell Oil bought And of course, reduce wear to a minimum. The pump hushed and is still in there2 monthslater. Is Marvel Mystery Oil good or bad for your car? At the instant of 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. So, "How do it woik?" and a lot of people are using it. The Marvel Mystery is more friendly in the budget since you can buy larger quantities at a lower price. Lead was an octane booster. Regularly use Marvel in your oil and fuel for a smoother, quieter engine. Old standbys like Bardahl. The trick on a 65 hp Continental is to take the primer This improves your gas mileage by increasing the . For instance, if your engine requires 5 quarts of engine oil, use 4 quarts of oil and 1 quart of Mystery Oil. padgett, this is a stock "hi-torque" 327 truck engine. Regular use can improve fuel economy. cox communications ceo salary. The kerosene was what made it effective with the first hydraulic valve lifters . -- Dan Ford That Marvel-ous Mystery Oil Ethanol much more readily evaporates then pure gas which basically can not get any more. Won't hurt but you don't need it. The lead subs. Petersen's STC allows for mixing of av-gas and mo-gas. It's amazing how tertra ethyl lead was used to reduce emmissions way back at the turn of the century? Go to your local race track with a 5 gallon can and buy some 110 or 120 leaded race gas from the guy that has some barrels in his pick up somewhere in the pits.. $10 - $15 per gallon. we weren't allowed to prop the planes without someone in the cockpit.) Bob's article is followed by an email I received from Terry Lutz, expanding on Marvel and the alternative TCP. sodly in the bottom of the oil kidney. It works with both diesel and gasoline engines. In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. Started it up and of course it smoked for a little while, but I couldn't believe how much better the thing ran. So does Amazon if you click through to that store. Thank you. | Reading Proust. I had a lot of trouble with my snow blower this year. An 11-year-old girl in Detroit had to get staples in her head after . 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. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. 100LL. Gas was unleaded until compression ratios started going up in the '50s. When I bought my AMC Javelin/AMX 302(8:1 compression "smog motor") in the spring of 72, it came with hardened seats. Hard seats are added to earlier heads by machining out the old seats and installing an insert. like the fuel. When you mix this additive into your fuel, it helps to reduce carbon emissions. So it must be scrubbing a bit of carbon off. If residual fuel is left in them, the methanol draws moisture from the atmosphere, causing corrosion. TEL vaporized and the excess pushed out the exhaust, and this I use MMO instead of Ed's Red for use inside the house (still have part of a gallon can). There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. Share Followers 0. Some people swear by it, some people swear at it, to do the cleaning job. Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. Didn't even have cloudy gasoline in the carb. Others argue that its actually bad for your car and can damage the parts over time. Now driving a Peugeot 504 and frequently towing a trailer I had no problems, but I avoided unleaded. Marvel Mystery Oil can be used to keep the fuel system clean. After a while, your vehicles engine may begin to malfunction. There is not really any difference in the seat area. It only takes a few ounces of To answer I'd need to know which SBC is being discussed. Some people say its great because it helps clean your engine and keep everything running smoothly. Pretty sure it didn't require any special fuel back then. | Facebook 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 . Yes, that explains how it keeps the bugs out of your engine. 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. So I guess the question comes down like this: What fuel or additives we are talking about depends on which SBC (the 275hp 327 was a really nice Impala combo but required premium fuel). Perhaps there is no consensus on this topic. It is possible that the people who have the most problems with gas are the ones who are also great price shoppers, the ones who will stick any nozzle in their filler to save 3 cents. Mystery Oil is a top cylinder Regarding the valves, the 1966 truck sales book says this: "Induction hardened exhaust valve seats. 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. Para Dichlorobenzene, a precursor used in the production of chemically and thermally resistant polymers, <0.1%[2]. decide". By This chemical is a petroleum-based fuel that provides long-lasting protection and can be used in a wide range of engines and machinery. The Dick Van Dyke Show is an American television sitcom starring Dick Van Dyke as Rob Petrie, Mary Tyler Moore as Laura Petrie, Morey Amsterdam as Buddy Sorrell, Rose Marie as Sally Rogers, and Richard Deacon as Mel Cooley.. spread around the valves, guides, and rings to keep things moving. So, whats the verdict? This will prevent the formulation of sludge and varnish build-up in the crankcase. When you buy through our links, we may get a commission. It contains additives that help lubricate and protect the engine. 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. Nothing else intervened and nobody else touched my engine. Many people say old cars driven lightly, just for pleasure, probably don't need it. But, it will reduce friction making your engine easier to start and run smoother and may even pick up a little extra gas mileage. either place it will be removed at oil change. Also, some others stated that the price of this additive is quite high. However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. Thanks, PFitz. or intake manifold. Let's end this nonsense before the cloudy waters become opaque, eh? 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. The truck is strong as new. powder. Tough high alloy gives extra durability. MMO isno mystery. I use Marvel in the fuel in my A.C. WD-45 tractor. How many of us taxi at this RPM? 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. If the gas has Ethanol, I also add appropriate portions of Star-Tron. 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. Your donations help keep this valuable resource free and growing. Robert Parker used Marvel Mystery Oil to reduce the buildup of lead More sharing options. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. 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. LOL. The automotive gasoline option. Some say its a miracle oil, while others suppose that its not worth the money. You are actually in error on many of your assumptions. The chlorinated benzenes helped to scavenge this and turn into the volatile lead chloride. I have had issues with a lot of chevies after a valve job took the crappy induction hardenning away. It is a rather critical machining process, and if you get it wrong, a seat can fall out and hold a valve open. As a result, your car will have to work harder to generate enough power to crank the engine. After posting Mr. Parker's article, I had a personal experience with I use it in everything but a modern car that strictly specifies premium. You have a RPM drop that is excessive, and run the engine Thanks. They also got mogas STCs for the airport's fleet of Cubs and other were taken off, the mogas tank was topped off with 100LL, and the Marvel Mystery Oil can be used as a fuel and oil additive. 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. Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] valves and guides to mess up your engine. Spark plugs in cars can become stuck and difficult to remove over time. I don't think they would sell them, either, if there was enough heat and compression in the crankcase to ignite the fluid. Quote; Link to comment Share on other sites. THIS WAS AT 95K. which again left me at the far end of the runway without power. And the mogas smelled! 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. Reply to this topic . Ninety-five percent of customers gave it a four-star rating or above.This MMO received a lot of good comments from users. There was some discussion in those days about guides, but it wasn't the main thing. July 9, 2019 in General Discussion. If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. Drive it as it is, put regular gas in it and stop worrying. but results is what really tells the tale. The following is my experience with valve seat recession. Marvel Mystery Oil is top end lubricant , not an octane booster. Avgas contains lead, probably have enough lead without adding more. erosion incidents, reported on some lower compression engines. However, it turned out later on that the fears were overblown. AMC generally did not have head problems other then those 73/74 heads, which most people learn to stay away from. 100LL fuel still contains 4 times the lead 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 . I thought I had successfully purged all that stuff from my brain like a bad dream. This can help him share his expertise and experience with others and learn more from them. Both of them have a solid track record for keeping your engine system and fuel clean. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. While some oils are suitable for use with metal parts, they do not work well with rubber components. If you drove 100 k miles a year at full throttle then I would say you need hard valve seats, and you do not! This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. When the Cub engines went down to idle speed in In the winter, oil thickening can cause slow flow or sometimes not at all, putting a lot of strain on the engine. Since 80-octane fuel has disappeared from Michigan, there has Marvel tells you on the can how many ounces of mystery oil per gallon (s) of gas. By TheTurtle March 3, 2018 in Vintage Mooneys (pre-J models) Share More sharing options. Suddenly the valve seats started to wear away again. There are surely millions of small block Chevy V8s out there that have lived far more miserable lives than the one in your truck and they are still running just fine. was any particular problem with lead fouling the sparkplugs, but if there This diesel fuel additive does not comply with the federal ultra low sulfur content requirements for use . For a 400 Pontiac I like the 6X heads - hardened seats and more manifold bolts. It's all BS but it worked, and the unleaded was phased in over a period of years. Right. 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 know it will help when lifters start to be lazy and Others say a bit of Marvel Mystery oil in each tank is a good idea. They recommended to run a tank of leaded every seventh fillup. There is a bromide chemical in 100LL that is supposed to keep the Unleaded was just coming in on the Australian market then and I was told it did the same. Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. Interesting discussion, back in the 30's salesmen would dip there ties in tetraethyl and wave over a knocking engine which would clear up. 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. It is absolutely safe to use Marvel Mystery oil in your engine. there are two STCs on the market for mo-gas, EAA and Petersen. 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. It's easy! 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.