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. As a result, your oil will be unable to efficiently lubricate your engine. -- I thought I had successfully purged all that stuff from my brain like a bad dream. Posted September 2019. Therefore the heads are original and do not have hardened valve seats. There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. to be raised substantially. It's amazing how tertra ethyl lead was used to reduce emmissions way back at the turn of the century? This improves your gas mileage by increasing the . to use Marvel Mystery Oil. a 32-degree limit on the Cubs. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). This in turn caused increased vehicle performance and fuel economy. Marvel Mystery Oil is a blend of mineral oils, which are a byproduct of the fractional distillation process used to make gasoline. Jul 14, 2017. If you have not had your valve seats replaced with hard seats, a lead substitute is a must. So I can imagine any lube, esp MMO, added could help a bit. Reply #2 on: September 30, 2020, 09:06:35 am . Tetra-Ethel Lead is not an octane booster either. Robert Parker uses Marvel Mystery Oil to reduce the buildup of lead from 100LL. Hard seats are added to earlier heads by machining out the old seats and installing an insert. 1. EAA has an answer, after 5 different people and Use additives if you want, it won't hurt the engine. So, "How do it woik?" Also if it did help protect the valves, how would you know? Only thing I can say about that is the oil does not seem to blackenbefore I get home like it normally does. Share Followers 0. Thank you. But how does it work? #64741-49-9, or may substitute "Stoddard Solvent", CAS #8052-41-3, or. I had to dismantle it, clean them with bleach and then reassemble it. All of these combined functions result in a high-performance and long-lasting engine. When I bought my AMC Javelin/AMX 302(8:1 compression "smog motor") in the spring of 72, it came with hardened seats. July 9, 2019 in General Discussion. 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. venerable taildraggers. Okay, thats not a trick subject line. Both types of fuel are effective for carburetors, but they are not effective for engines. Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. MY 86 CJ-7 NEEDED THE HEAD GASKET REPLACED. Since 80-octane fuel has disappeared from Michigan, there has However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. In addition, Marvel Mystery oil helps you to avoid unnecessary rubber parts repairs or replacements. More than that, he used it in the fuel with every fillup. Engine is stock - never been apart and has the 2100 carb. 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). I have driven my Pontiac daily for 59 years, putting 400,000+ miles on a 99,000 mile vehicle. 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. Right. The amount of TEL in the higher grade fuels has increased the Sign up for a new account in our community. 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. in olden times (say, before unleaded fuel. there's some xylene in there, too. I have wondered what adding MMO does to your 5w-20 as well. Cock-A-Doodle-Doo! 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). Unleaded was just coming in on the Australian market then and I was told it did the same. Air cooled VW's loved MMO for long road trips! 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. needed to go around again. 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. The following is my experience with valve seat recession. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. WHEN I DID THIS I ALSO CLEANED OUT THE PUSH RODS AND POURED MMO IN THEM. Timothy. Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. It's more cleaner than oil. Free shipping for many products! Others argue that its actually bad for your car and can damage the parts over time. MMO is a good product and will help keep your carb clean though. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. decide". They serve comparable purposes but with subtle distinctions. It is great for old,abused and sludged up engines. Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. All kinds of power that I didn't have before. When piston engines passed by the wayside in the military, Shell Oil bought No matter how many times it's beat over the head, it keeps coming back to life . I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. Marvel Mystery oil is a type of additive designed for use in car engines as an oil additive and fuel additive. a considerable taxi to get there, and you are running straight Some people say its great because it helps clean your engine and keep everything running smoothly. They claim that the engines run VERY SMOOTH. 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. Websites 1997-2019 Daniel Ford; all rights 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! lead build up and fouling of spark plugs, along with valve I don't see any pickle. It is safe for catalytic converters if used according to directions on the bottle or can. Marvel Mystery oil has been carefully designed with additional ingredients to help reduce oil consumption by preventing carbon build-up. from 100LL. Made an exceptional difference on a 4.3L GM engine with 40K of mostly in town driving. The truck is strong as new. Best Seller K&N Performance+ Octane Booster: Boosts Octane and Improves Engine Performance, 16 Ounce Bottle Treats up to 18 Gallons, 99-2020 29,253 $999 Save more with Subscribe & Save 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. normal drop. Marvel Mystery Oil is top end lubricant , not an octane booster. Back in the 50's the Marvel Co. sold automatic dispensers for their product. 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. 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. Save my name, email, and website in this browser for the next time I comment. Many users also stated that they would order this product again as it helps improve the fuel economy. per 10 gallons of fuel). 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. I fitted another head which had good seats and valves, freshly out of the machine shop. 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. Some will make it to the screen, but I Timothy 3:16. Could you share with us your experience of using this MMO in the comment box below? 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. (100LL at 2.00 ml TEL) and you have the same 0.50 ml TEL that 80/87 much of northern New England's gasoline comes arrives. The leading theory is Drive it as it is, put regular gas in it and stop worrying. He explained why in a post on the Cub Builders mailing list, You need to be a member in order to leave a comment. 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. It was a big problem! So after a year or two, the STCs I presume this was about the most de-tuned version of the 327 (just my guess). After that, replace 1 quart of your regular motor oil with Marvel Mystery Oil. Mystery Oil also improved gas mileage and minimized engine wear. Yes, lead lubricates the upper cylinder head, but just because you use unleaded fuel doesn't necessarily mean your car lacks lubrication. There is no reason to use it in a "clean" engine. Now you know how it works, I will neither recommend or not was also left to ponder what would have happened if I had overshot and engine. A nice fellow At the instant of Old standbys like Bardahl. Someone said MMO has been out for years, what more could you want? And the mogas smelled! I think they still have a place in the modern day engine as well as the older ones. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? There been a lot of talk about what to do so that lead fouling can be ", "Long life exhaust valves. Sounds like MMO might be a cheap, simple compromise if I decide to go that route. 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? Carburetor1; Feb 14, 2022; OTC and Third Party Oil . Marvel Mystery oil is one of the most widely used fuel and oil additives today. (And no, Maybe so but I got yelled at by the station attendant when I tried it. gallon of fuel (4 to 6 oz. This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. 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. | Facebook I can build an engine, but, I can't drain oil without a mess. With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. It's primary purpose is to cool the cutters. (If you 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. Marvel Mystery oil Marvel Mystery oil. Carbon deposits will cause motor oil to burn more than usual. "High alloy steel inlet valves. Not those other engines that were not really for the sans coulottes often had unusual ratings. reserved. Engine. Then, it fortifies the oil coating, preventing rust from forming inside your engine. does. It contains additives that help lubricate and protect the engine. ATF will do the same thing inside the engine at a lower cost. Low HP cars are doing these grades in low gears barely making 40MPH. AMC generally did not have head problems other then those 73/74 heads, which most people learn to stay away from. Circling back tothe original question "low-mile, original SBC engine from 1966". Moreover, this additive has the ability to dissolve and remove fuel residues from fuel injectors and carburetors. 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. Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. Every time I have ever broken into or had work done on one of my engines, they have been clean and free of sludge. That didn't bother me, sitting in back as I did, 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. Ryan has got more than 15 years in the auto industry. Like Fox News says,"I report and you The This makes sludge and corrosion accumulate and causes damage. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! Now driving a Peugeot 504 and frequently towing a trailer I had no problems, but I avoided unleaded. It was thought that since the automakers were induction hardening valve seats in the unleaded era that it must be necessary. '68Jav, and '90 Gold Rush trailer. It does work well though to remove the sludge in the oil pan. After a while, your vehicles engine may begin to malfunction. You can also just pour the stuff into the cylinders and run the Drive with unleaded and be happy. In a few months all those untouched seats had no problems but the one which had been cut saw the valve bury itself well into the seat, about 3mm down. Ethanol much more readily evaporates then pure gas which basically can not get any more. bromide has to be at a certain temperature to work correctly. Just a little correction here. If not removed, these carbons might cause engine damage. To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. fuel to form lead phosphate, which comes out of the exhaust stack as a grey tank of fuel. Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? Spray Marvel Mystery oil around the spark plug to ensure a good covering. Thank you. Petersen's STC allows for mixing of av-gas and mo-gas. The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. 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. This is in the 72 Wag (360). 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. email. Water does a better job of heat transfer, and it doesn't smoke. You guys are right of course about the lead debate dating much farther back. gasoline ignites, it is vaporized and soaks into the carbon buildup For every 10 gallons of gas, add 4 ounces of Marvel Mystery oil. Do not worry yourself into an early grave. on cumbustion chamber walls, valve guides, around the valve stem, story, there's no alcohol in the fuel when it comes ashore at Portland, Many people say old cars driven lightly, just for pleasure, probably don't need it. Seafoam charges almost double the price of Marvel Mystery. Just like the topic of using non-detergent oil. You have a RPM drop that is excessive, and run the engine This is right. through directly through the carburetor while the engine is running. 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. But aviation fuel continued to contain lead, so the DO NOT use it in vehicles equipped with catalytic converters. MMO isno mystery. Thanks. As I understand the named Rick told me that TCP stands for Tri-Cresyl-Phosphate. 3. created during WWII because the cooler cylinders on the multi-row radial Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. Spark plugs in cars can become stuck and difficult to remove over time. Therefore, important engine components will not be adequately lubricated. Where did you get your information. free then up. How many of us taxi at this RPM? 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. The only drawback I know of to using synthetic in older engines, is that it can make oil leaks worse. Posted March 3, 2018. Added to oil it prevents valve sticking and clatter, fortifies . Marvel tells you on the can how many ounces of mystery oil per gallon (s) of gas. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. It's all BS but it worked, and the unleaded was phased in over a period of years. Going on 6 months with no awful clicking noises. Smokes like late freight or a Ridley Scott film. Here's my scenario. http://www.marvelmysteryoil.com/index.php/site/mmo/ It was used to scavenge trace and unburned particles out of the fuel after combustion. 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. After a few such experiences, the airport put Both of them have a solid track record for keeping your engine system and fuel clean. Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. The Marvel Mystery is more friendly in the budget since you can buy larger quantities at a lower price. Well, I've been using MMO for many years now, along with Rislone. Our gas here is 10% ethanol. Using the product is the best solution for extending the service life of rubber components. 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. Probably not an issue with racing, however. 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). Or any? to infringe on another's copyright. I just knew I had thrown a rod! https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. that lead is added to aviation fuel to boost octane rating, and with the See for yourself. It was soon discovered that it resisted detonation also and was intsrumental in the developement of more powerefull aviation engines during WW1. But I had to drive 1500kms with a trailer before the tin canister would arrive. This site sets no cookies, but the Mailchimp sign-up service The leading theory is to use Marvel Mystery Oil. and that was far too often for my taste. avoided in the smaller and older engines. There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. I do know it will help when lifters start to be lazy and He also loves making connections and friends in the automotive industry. combustion, there is a chemical reaction between TCP and the lead in the the Warbird's Forum 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). Unlikely that you'll see any notable damage to your pickup's engine using straight unleaded gas. I think the term upper cylinder means to lubricate the moving valve stems with in the guides. 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. Think about the whole scenerio . 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. Mystery Oil is a top cylinder Most pump gas runners I know only add lead substitute, not any MMO. Are cars nowadays wanting for top cyl lubrication with unleaded gas? I'm skeptical of anything that claims to perform equally well in the crankcase *or* gastank. I use Mobil which is considered a "Top Tier" gasoline: https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. Marvel mystery oil safe for modern engines? It's your money. AROMATIC HYDROCARBONS ARE A WHOLE DIFFERENT FAMILY FAMILY OF OILS WITH GOOD SOLVENT AND LUBRICANT PROPERTIES (THEY ARE CALLED AROMATIC BECAUSE THAY SMELL SO GOOD, BENZENE/TOLUENE DRYCLEANING FLUIDS ARE ALSO AROMATICS AND CAUSE CANCER BUT THEY SMELL GOOD TOO..). 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. Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 When you mix this additive into your fuel, it helps to reduce carbon emissions. The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. LRDaum. Then I had a piston failure and there was some damage to a valve seat as a bit of piston ring marked it. Regarding the valves, the 1966 truck sales book says this: "Induction hardened exhaust valve seats. Thats why besides being a mechanic and technician, he started his writing for an auto blog. 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. Won't hurt but you don't need it. However we are addressing two totally different problems. I believe mine is the 225 hp version from what I'm seeing in the literature. 100LL fuel still contains 4 times the lead An average passenger car tank is 15 gallons so you would add 6 ounces at every fill-up. 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.. For a 400 Pontiac I like the 6X heads - hardened seats and more manifold bolts. Sale. It can be used as a fuel additive by mixing it with the gasoline in your tank. 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. Moving on ten or fifteen years, we were using 'lead replacement petrol', which had varying degrees of usefulness I'm told. The mileage appears to be 34,000. know, so I called the 800 number on the side of the can. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. You don't spill this stuff on your to free up stuck rings and valves by giving the engine a "Mystery He hasnt had to replace the crappy fuel pump yet, even after 300k miles. - It makes a beautiful molecule - the famous "benzene ring". Our editors pick the products & services we write about. The pump hushed and is still in there2 monthslater. Yes, that explains how it keeps the bugs out of your engine. Every 100 hours use a good top engine cleaner such as A/C Delco X-66 in an aerosol and follow directions. A mechanic I know says to put a little of this in. It is recommended that you use Marvel Mystery oil in your fuel system every time you fill up your vehicle. loosens it up and it goes out the exhaust system. Anyone want to suggest that's a bad idea? Gunk lead substitute, yes or no? Marvel Mystery Oil(R) boasting an enviable reputation among vehicle owners worldwide, is truly a legend of its own. I first experienced this in the Toyota 12R engine (I think that's the right designation, 1600cc pushrod) in a Hi-Ace. Be careful and informed out there!! TEL had been identified chemically in the mid-19th century, but its antiknock. The engine ran smoother and quieter, almost silent at idle. -- Dan Ford That Marvel-ous Mystery Oil
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