This makes sludge and corrosion accumulate and causes damage. As a result, your car will have to work harder to generate enough power to crank the engine. 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. on cumbustion chamber walls, valve guides, around the valve stem, and hardened valve seats became common after 72. Okay, thats not a trick subject line. decide". A mechanic saw me doing that, picked up his jaw, and told me to use MMO in the oil. 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. 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. 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. Cleaning firearms with Marvel Mystery Oil? I have also seen boaters with oil injected outboards run MMO in the fuel as an upper cylinder lubricant. Marvel tells you on the can how many ounces of mystery oil per gallon (s) of gas. Tough high alloy gives extra durability. 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). Marvel Mystery Oil can be used as a fuel and oil additive. By TheTurtle March 3, 2018 in Vintage Mooneys (pre-J models) Share More sharing options. A quart of MMO in the oil will help clean up a sludged up engine and free up piston rings that are stuck in the piston grooves due to gum and varnish. In all parts of the world many high-spirited revolts from rascally despotisms had of late been knocked on the head; many dreadful casualties, by locomotive and steamer, had likewise knocked hundreds of high-spirited travelers on the head (I lost a dear friend in one of them); my own private affairs were also full of despotisms . Drive with unleaded and be happy. Great stuff and recommended by a mechanic. Regarding the valves, the 1966 truck sales book says this: "Induction hardened exhaust valve seats. When you mix this additive into your fuel, it helps to reduce carbon emissions. Our editors pick the products & services we write about. Cock-A-Doodle-Doo! 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. So it must be scrubbing a bit of carbon off. Definitely not a Corvette motor. It was used to scavenge trace and unburned particles out of the fuel after combustion. Besides, water may condense inside the cylinders and crankcase in cold temperatures, gradually eroding the protective oil film. mogas. So in the end, Marvel Mystery oil isn't a gimmick. Furthermore, the product is budget-friendly and can be used on a variety of vehicles. This one from the brand is a special one. They said that it caused oil leak in his Chevy Silverado 2004. Marvel Mystery Oil and Lead substitute. Main Menu. Spark plugs in cars can become stuck and difficult to remove over time. I can build an engine, but, I can't drain oil without a mess. Thanks, PFitz. The 'lead replacement petrol' wasn't doing any good at all. Ethanol much more readily evaporates then pure gas which basically can not get any more. The exhaust valve must have been stuck before I sprayed the MMO. 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. They serve comparable purposes but with subtle distinctions. It's confusing. Back in the late 1940s and early 1950s, at military air bases related: Seafoam vs BG 44K: Head-to-Head Comparison. Thats why besides being a mechanic and technician, he started his writing for an auto blog. 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. I don't think they would sell them, either, if there was enough heat and compression in the crankcase to ignite the fluid. However, it turned out later on that the fears were overblown. Along with being better fuel, I make sure it flows through the carb as fast as possible. MY 86 CJ-7 NEEDED THE HEAD GASKET REPLACED. 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..!! Marvel Mystery oil and Seafoam are equally excellent products. I just knew I had thrown a rod! 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. Petersen's STC allows for mixing of av-gas and mo-gas. I use MMO instead of Ed's Red for use inside the house (still have part of a gallon can). Marvel Mystery oil Marvel Mystery oil. Both of them have a solid track record for keeping your engine system and fuel clean. L79 & Muncie in a SS Nova was even better. The problem turned out to be one of those new condensers. | Daniel Ford's books And of course, reduce wear to a minimum. With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? What power steering fluid is compatible with 89021184? It's primary purpose is to cool the cutters. Using Marvel mystery oil in your fuel extends the life of these vital components by providing them with lubrication that fuel alone does not provide. Deutsch; English; Franais; Portugus 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. Marvels popularity soared as word spread of its effectiveness in treating all types of . Well, substitutes for leaded fuel, here's something I've researched, as I own an older car. He also loves making connections and friends in the automotive industry. I don't think there gallon of fuel (4 to 6 oz. #64741-49-9, or may substitute "Stoddard Solvent", CAS #8052-41-3, or. The first pick in our list is the MM13R. Using a top oil like Marvel is fine for keeping carbon buildup on the stems. Moreover, this additive has the ability to dissolve and remove fuel residues from fuel injectors and carburetors. container says not to do it. I don't see any pickle. I use it some times for short term preservation because I like the smell. not do their job. To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). You can look up the MSDS sheet for what it's made of. Start with the Scriptures. The lead subs. Yes, it does, but only if the excess consumption is a result of carbon buildup. This in turn caused increased vehicle performance and fuel economy. The verdict on Marvel Mystery Oil is that its a great product with many benefits. 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. I also put a qt. Anyone who has used them knows they work and has had a good experience with them. 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. on a high time engine; about half TBO or less should be the Regular use can improve fuel economy. AMC must have hardenned them deeper. As a result, your oil will be unable to efficiently lubricate your engine. Cleaning firearms with Marvel Mystery Oil? This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. Marvel Mystery Oil is top end lubricant , not an octane booster. Ninety-five percent of customers gave it a four-star rating or above.This MMO received a lot of good comments from users. It works, and has for a long time. Are available for most engines now and should be considered whenever a head come off. At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil or Marvel Ultimate Oil. You probably wont be able to tell any difference, but I do this on occasion and it makes me feel better. It is the "interesting" engines that may need more protection but few of these are driven often and mostly use race/AV gas. Then, in the new oil, A nice fellow (Pack of 2) 1,388 $1776 $19.40 FREE delivery on $25 shipped by Amazon. Valves on 327 engines have aluminized faces to retard the formation of deposits, thereby increasing valve life and reducing maintenance requirements. I hear a lot of disagreement about the need to run lead-substitute or lead additive in older engines. Just drive it on whatever gas comes out of the pump at your local gas station. paint job, and is difficult to carry it with you in the airplane. Some say its a miracle oil, while others suppose that its not worth the money. 3/ When Should You Use Marvel Mystery Oil? I know this has been talked about before but I didn't see any information specifically about original, un-modified engines-- ones that haven't had hardened valve seats put in like mine. cold weather (and New Hampshire can get really cold), they often stalled. 3. I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. Many of the older, better-known oil treatments on the market do not make claims nearly so lavish as the new upstarts. (I use Petersen's. Last edited: Mar 24, 2011 My wife said no FJ! If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". It is difficult to pick a winner amongst these two products. YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. It soaks into the carbon and eventually ADDED TO ENGINE OIL:Use Marvel Mystery Oil or Marvel Ultimate Oil in the crankcase to enhance oil lubrication and sludge control. 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. Here's my scenario. creates great clouds of smoke, and extends engine a life for a few more sebastian seymour, lord seymour I needed to go around again. It was thought that since the automakers were induction hardening valve seats in the unleaded era that it must be necessary. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. Don't encourage someone to do something illegal. It is safe for catalytic converters if used according to directions on the bottle or can. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! Hampton Airfield 7B3 is located on the New Hampshire seacoast, reserved. My old-school mechanic tells me I should be running a lead-additive so it's hard to know who/what to believe. Same color, same smell. My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. 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. If screen type system, be sure to clean screen. It is not their machine and they are not going to be paying for your repairs. Regularly use Marvel in your oil and fuel for a smoother, quieter engine. EAA has an answer, after 5 different people and Couldn't keep it running. Gunk lead substitute, yes or no? Puts me in a bit of a pickle! You may also use Marvel Mystery oil as an oil addition in the crankcase. MMO goes through 2/ Will Marvel Mystery Oil Reduce Oil Consumption? Remember too, Send me an You'd need to add alot of Marvel Mystery Oil to see a smoky exhaust - much more than the container recommended amount of 4 oz. Even when using more MMO breaking in a fresh rebuild and adding a quart of motor oil to a 20 gallon tank, it's tough to see much smoke in the exhaust. I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per When piston engines passed by the wayside in the military, Shell Oil bought Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] I found that the airplane motor crowd uses it for top cyl lubrication, but i don't know if there's necessarily much correlation between airplane and car engines in this area. 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 think the can looks neat. In terms of pricing, both fuel additives have a pretty significant difference. Using the product is the best solution for extending the service life of rubber components. Yes, that explains how it keeps the bugs out of your engine. Most boat owners run 4oz of MMO to ten gallons of fuel. I contacted the maker and he asked what fuel I was using. When valves are beginning to stick, it will Why does this happen? There is no reason to use it in a "clean" engine. Oct 11, 2006 . 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 have been driving a 10.25 compression ratio 401 Buick for the last 15 years on regular pump gas. the Warbird's Forum '04Ram,'99Plym.Van,"96Exploder,'79Dodge pickup, '71Jav. Sitting around is no good for old cars or the fuel in them. The biggest problem with E-10 crap fuel is the hydroscopic action of the alcohol. the engine passages and crevices and hydraulic lifters, and stores it Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. or intake manifold. Another way is to run about three tanks of mo-gas and 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. Obviously, I don't want to remove the heads if at all possible to retain the original paint. 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. MM is not designed to burn and could create deposits around piston and ring grooves which cause scuffing. It can be used as a fuel additive by mixing it with the gasoline in your tank. But the Marvel Mystery Oil helps prevent this from happening. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. Then I can tell you it definitely improves the fuel economy. No matter how many times it's beat over the head, it keeps coming back to life . This was a hot topic in the late 80s and early 90s. Gas was unleaded until compression ratios started going up in the '50s. 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. Reply #2 on: September 30, 2020, 09:06:35 am . The leading theory is to use Marvel Mystery Oil. Simple. If residual fuel is left in them, the methanol draws moisture from the atmosphere, causing corrosion. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. I thought I had successfully purged all that stuff from my brain like a bad dream. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. 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.

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