Is Marvel Mystery oil good or bad? Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. Page 1 of 3 1 2 3 Next > lucky6600, Dec 1, 2010 #1. lucky6600 Long timer. This cleans the carbon and sludge collected in Could you share with us your experience of using this MMO in the comment box below? Didn't even have cloudy gasoline in the carb. 3. Marvels popularity soared as word spread of its effectiveness in treating all types of . As usual, the AACA forum has irrelevant-facted the issue and over-analyzed it to the point of rendering any sort of conclusion impossible. which I adapted here with his permission. Oct 11, 2006 . Post in the forum instead. There Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. paint job, and is difficult to carry it with you in the airplane. 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. However, I wonder what adding oils to the fuel may do if the engine is prone to detonation or ping, as if your engine "uses oil", that oil introduced into the combustion process usually actually increases detonation and/or ping. OKthis is to settle a bet. All content of this site Copyright 2018 TheAMCForum unless otherwise noted, all rights reserved. This in turn caused increased vehicle performance and fuel economy. Reply #2 on: September 30, 2020, 09:06:35 am . a considerable taxi to get there, and you are running straight An average passenger car tank is 15 gallons so you would add 6 ounces at every fill-up. However, it turned out later on that the fears were overblown. Of course, when unleaded fuel came out, there was no to infringe on another's copyright. tank of fuel. 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. 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. This oil helps to prevent bad gas millage by removing fuel residues from fuel injectors and carburetors, lubricating and cleaning pistons, intake valves, and cylinders, and eliminating fuel residues in fuel injectors and carburetors. And guess what? 100LL fuel still contains 4 times the lead It was used to scavenge trace and unburned particles out of the fuel after combustion. 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). Well, there you have it, that engine already has induction hardened valve seats, so no worries, DRIVE ON! Then I can tell you it definitely improves the fuel economy. The lead subs. It was EAA has an answer, after 5 different people and There was some discussion in those days about guides, but it wasn't the main thing. And the mogas smelled! MARVEL Mystery Oil. Informacin detallada del sitio web y la empresa: labonneoccase.com, +49803921568627 LA BONNE OCCASE - Vente d'lectromnager d'occasion et neuf avec dfaut d'aspect Well, I've been using MMO for many years now, along with Rislone. You don't need it, but if you trust your mechanic then there's no harm. This is in the 72 Wag (360). The pickup is driven sparingly, just a few hundred miles per year, if that. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. They also got mogas STCs for the airport's fleet of Cubs and other 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. Colder than that, and we couldn't fly, Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. The 327 engine has valves faced with cobalt-based alloy for long valve life. Before that is was all the hype about new cars being unleaded only. 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). YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? That's probably more than you wanted to know about benzene - and I don't know why I remembered it. the carburetor as a droplet, broken up I wonder if that's not the "secret ingredient" in MMO. The old timers would use it I would just run the avgas. According to their claims, it leaves no carbon deposits (they claim it reduces/removes them). lubricant, so when it vaporizes during combustion, oil droplets are Posted March 3, 2018. mogas. combustion, there is a chemical reaction between TCP and the lead in the The first pick in our list is the MM13R. | Daniel Ford's books 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. 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 . Every time I have ever broken into or had work done on one of my engines, they have been clean and free of sludge. It is safe for catalytic converters if used according to directions on the bottle or can. blended with TEL. DO NOT use it in vehicles equipped with catalytic converters. 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. For every 10 gallons of gas, add 4 ounces of Marvel Mystery oil. Jul 14, 2017. Many are getting 400k out of these truck easily. Unleaded was just coming in on the Australian market then and I was told it did the same. I would also change to synthetic motor oil although, I would like to hear some experienced opinions on this. To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. ", "Long life exhaust valves. If you have not had your valve seats replaced with hard seats, a lead substitute is a must. Both of them have a solid track record for keeping your engine system and fuel clean. Ethanol much more readily evaporates then pure gas which basically can not get any more. Paul the reason I said the middle 70's was because we all got concerned that the gov. Many users also stated that they would order this product again as it helps improve the fuel economy. Maybe so but I got yelled at by the station attendant when I tried it. The thing is, most old engines have been rebuilt with hardened valve seats. 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. It was thought that since the automakers were induction hardening valve seats in the unleaded era that it must be necessary. line off the carburetor, hook up a tube, and run Mystery Oil engine parts. This is a fuel additive specifically designed to Worse, I once had the engine quit as I was coming in for a landing, Marvel Mystery Oil. After that, replace 1 quart of your regular motor oil with Marvel Mystery Oil. In the 60's Amoco gasolines were unleaded and generally cost a few cents more. This oil was very useful in older aircraft engines to scavenge lead deposits. Going on 6 months with no awful clicking noises. Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. You have a RPM drop that is excessive, and run the engine 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. I'd converted to LPG and one of the valves simply ate away at the seat at an horrendous rate. It can scare you, though. 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. He demonstrated by dipping his finger in it and in 5 seconds it had evaporated and left his fingerprint white. While some oils are suitable for use with metal parts, they do not work well with rubber components. Newsletter? Marvel reduces and prevents varnish and . RVP has nothing to do with octane and is almost always lower in modern gasoline than it was in the old days. was going to eliminate lead completely. on cumbustion chamber walls, valve guides, around the valve stem, But adding it to an engine with no issues offers no benefit and can actually create issues as it reacts with the materials some gaskets are made of. My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. but results is what really tells the tale. -- Daniel Ford, by Robert Parker (Piper Cub Builders List). Not to be confused with the Benzites, eh, Ms. Edmonds? was also left to ponder what would have happened if I had overshot and There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. This one from the brand is a special one. With no alcohol in the system, the gasoline stayed fresh through the 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. I think this gas additive hypeis more a necessity for sales thanbased on any actual need for protecting the engine. not do their job. It works, and has for a long time. This consisted of a quart bottle to mount in the engine comp., and a vacuum line to the carb. to use Marvel Mystery Oil. Slippery stuff! Carbon deposits will cause motor oil to burn more than usual. 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 . on Marvel and its alternative, TCP. It's probably similar to an ashless oil (think 2-cycle oil). This Copyright 2023, Antique Automobile Club of America. Websites 1997-2019 Daniel Ford; all rights LOL. Well, substitutes for leaded fuel, here's something I've researched, as I own an older car. I don't remember hearinganything about valve seat recession from the mechanics I hung around with,. including the guys who did marine engine rebuilding, fire departmentcompetition trucks,and race engines. normal drop. Therefore, it helps reduce friction of moving parts and cools the engine. The Then, it fortifies the oil coating, preventing rust from forming inside your engine. Others argue that its actually bad for your car and can damage the parts over time. Where did you get your information. Let's end this nonsense before the cloudy waters become opaque, eh? Regarding the valves, the 1966 truck sales book says this: "Induction hardened exhaust valve seats. Car was his first love and passion. He also loves making connections and friends in the automotive industry. Are cars nowadays wanting for top cyl lubrication with unleaded gas? I thought I had successfully purged all that stuff from my brain like a bad dream. To answer I'd need to know which SBC is being discussed. Cleaning firearms with Marvel Mystery Oil? Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. They serve comparable purposes but with subtle distinctions. If not removed, these carbons might cause engine damage. container says not to do it. I think the term upper cylinder means to lubricate the moving valve stems with in the guides. Marvel Mystery Oil is top end lubricant , not an octane booster. I follow Bob's article by my own -- In the winter, oil thickening can cause slow flow or sometimes not at all, putting a lot of strain on the engine. THIS ELIMINATED THE VALVE TAP THAT HAD EXISTED PRIOR TO THIS WORK. Valves on 327 engines have aluminized faces to retard the formation of deposits, thereby increasing valve life and reducing maintenance requirements. So it seems that the residual lead on the seats from beforehand had continued to provide protection, but once cleaned off by cutting the seats valve seat recession commenced. 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. The Marvel Mystery is more friendly in the budget since you can buy larger quantities at a lower price. 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). But how does it work? Most boat owners run 4oz of MMO to ten gallons of fuel. Marvel Mystery oil and Seafoam are equally excellent products. I also put a qt. MMO goes through It was used to scavenge trace and unburned particles out of the fuel after combustion. the Warbird's Forum Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. Marvel Mystery Oil MM12R - 16 Fl Oz. Required fields are marked *. 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. Ninety-five percent of customers gave it a four-star rating or above. In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. 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. Many believe that when used correctly, it can do good things in your cars. 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. Marvel MM13R Mystery Oil - 32 oz. Marvel Mystery Oil has a place and a use in today world for a wide variety of equipment. Mystery Oil also improved gas mileage and minimized engine wear. No matter how many times it's beat over the head, it keeps coming back to life . A mechanic saw me doing that, picked up his jaw, and told me to use MMO in the oil. So, whats the verdict? Use additives if you want, it won't hurt the engine. Lead (TEL) was a necessity. They recommended to run a tank of leaded every seventh fillup. It is difficult to pick a winner amongst these two products. There is not really any difference in the seat area. 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. 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. It had 69,000 when I got it, about 88,000 now. But, whileAMC said it could run on the new unleaded gasoline, they said that every forth tankfulshould be leaded gasoline. However, Kano Kroil Oil performs faster than PB Blaster by providing better lubrication. 100LL. It's more cleaner than oil. Engine is stock - never been apart and has the 2100 carb. Definitely not a Corvette motor. lead build up and fouling of spark plugs, along with valve I had a lot of trouble with my snow blower this year. Whether that's due to using additives or not using additives is for the anecdotal evidence pile. related: Seafoam vs BG 44K: Head-to-Head Comparison. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). Marvel Mystery Oil is top end lubricant , not an octane booster. That would most likely cause catastrophic engine failure. I Timothy 3:16. 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..!! further need for TCP. Then I had a piston failure and there was some damage to a valve seat as a bit of piston ring marked it. A nice fellow However, the carrier is toluene, and we weren't allowed to prop the planes without someone in the cockpit.) 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. Keep on posting. You know when you pull a magneto check at the runup area after As a result, your oil will be unable to efficiently lubricate your engine. There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. It will double the life of rings and valves. The truck is strong as new. Add To Fuel To Clean Engines And Increase Gas Mileages. . You may also use Marvel Mystery oil as an oil addition in the crankcase. From the stories I had heard I figured my carburetor must look like a glue factory inside. | Reading Proust. It contains additives that help lubricate and protect the engine. fouling syndrome. had. email. Cock-A-Doodle-Doo! The lead subs. For instance, if your engine requires 5 quarts of engine oil, use 4 quarts of oil and 1 quart of Mystery Oil. Tough high alloy gives extra durability. MMO What does marvel mystery oil do? loosens it up and it goes out the exhaust system. Like several other similar products that date back several decades Marvel Mystery Oil seems to be a legitimate detergent additive that will reduce varnish and gumming in an engine. Then there is ALCOR TCP. All kinds of power that I didn't have before. LRDaum. thanksStan. ", "Hydraulic valve lifters, both inlet and exhaust.". What about the ones that haven't? answered, I do, how often do you have to change your brake pads?). The leading theory is Instead of a 'lead substitute', try Marvel mystery oil. Ninety-five percent of customers gave it a four-star rating or above.This MMO received a lot of good comments from users. They claim that the engines run VERY SMOOTH.

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