Instead of a 'lead substitute', try Marvel mystery oil. 72 octane is the highest grade of gasoline that can be . were taken off, the mogas tank was topped off with 100LL, and the 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. ", "Long life exhaust valves. Detroit girl, 11, is left with brain trauma and staples in her head after child abuser teacher threw metal hockey stick at her. There is not really any difference in the seat area. 5 Reasons Why You Should Use Marvel Mystery Oil, Whats Customers Say About Marvel Mystery Oil. I wonder if that's not the "secret ingredient" in MMO. 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. Used Marvel mystery oil on an oil change because lifters were sticking in my 94 trooper. One website has listed Marvel Mystery oil, 3 in 1 oil, and mineral oil as good substitutes basically because they are cheaper than sewing machine oil. Contact Us - DO NOT EMAIL CAR QUESTIONS. | Daniel Ford's books - It makes a beautiful molecule - the famous "benzene ring". 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. Some people swear by it, some people swear at it, The truck is strong as new. Marvel Mystery Lubricating Oil is safe for catalytic converters and oxygen sensors. a prop? Add To Fuel To Clean Engines And Increase Gas Mileages. Marvel Mystery Oil(R) boasting an enviable reputation among vehicle owners worldwide, is truly a legend of its own. There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. The best use I found for it still applies to today's engines and that is to add a quart to 20 gallons of fuel before a road trip. My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. It happened quite a bit back in those days. Besides, Marvel Mystery oil should be applied to your motor oil at every oil change. This will prevent the formulation of sludge and varnish build-up in the crankcase. They recommended to run a tank of leaded every seventh fillup. the formula for TCP and used it for years in car gas, which was also The amount of TEL in the higher grade fuels has increased the Valves on 327 engines have aluminized faces to retard the formation of deposits, thereby increasing valve life and reducing maintenance requirements. When I was 19, I put it in the Cutlass I owned. I use Mobil which is considered a "Top Tier" gasoline: https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. Spark plugs in cars can become stuck and difficult to remove over time. It had 69,000 when I got it, about 88,000 now. Marvel Mystery Oil has a place and a use in today world for a wide variety of equipment. Hampton Airfield 7B3 is located on the New Hampshire seacoast, Use non-ethanol if it is available. manufactured without [additives]. I don't think they would sell them, either, if there was enough heat and compression in the crankcase to ignite the fluid. Here's my scenario. Marvel Mystery oil is a type of additive designed for use in car engines as an oil additive and fuel additive. A reference in my 1994 Accord owner's manual to Marvel Mystery Oil; it was right after the "hosing out your gas tank" and "cinder block cruise control" chapter. Don't encourage someone to do something illegal. But aviation fuel continued to contain lead, so the LRDaum. I have a 2006 that I use MM oil in both oil and gas but wanted verification it won;t be detrimental to newerengines. 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. '68Jav, and '90 Gold Rush trailer. Free shipping for many products! Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. He hasnt had to replace the crappy fuel pump yet, even after 300k miles. Hard seats are added to earlier heads by machining out the old seats and installing an insert. 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. Timothy. Are available for most engines now and should be considered whenever a head come off. This in turn caused increased vehicle performance and fuel economy. 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. Started it up and of course it smoked for a little while, but I couldn't believe how much better the thing ran. Copyright 2023, Antique Automobile Club of America. sebastian seymour, lord seymour So, by doing it before the seats fail, you are just doing something ahead of time that might never need to be done, and might cause a failure in the meantime. In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. Keep on posting. In very short order this one seat dramatically ate itself away. Nothing else intervened and nobody else touched my engine. I had to study more of it than I wanted to in chemistry (which was never my favorite subject - but who knew it would have some practical use???) The problem turned out to be one of those new condensers. Ethanol evaporates pretty easily , especial the more you have and older it gets. per 10 gallons of fuel). I just knew I had thrown a rod! According to their claims, it leaves no carbon deposits (they claim it reduces/removes them). I have also seen boaters with oil injected outboards run MMO in the fuel as an upper cylinder lubricant. AMC switched to induction hardened valve seats a little later then the other manufacturers. 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. Thanks. 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. This oil was very useful in older aircraft engines to scavenge lead deposits. 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. Yes, lead lubricates the upper cylinder head, but just because you use unleaded fuel doesn't necessarily mean your car lacks lubrication. experience with mogas and, finally, by an email from Terry Lutz, expanding I fitted another head which had good seats and valves, freshly out of the machine shop. answered, I do, how often do you have to change your brake pads?). It is a rather critical machining process, and if you get it wrong, a seat can fall out and hold a valve open. erosion incidents, reported on some lower compression engines. Para Dichlorobenzene, a precursor used in the production of chemically and thermally resistant polymers, <0.1%[2]. 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). I'm skeptical of anything that claims to perform equally well in the crankcase *or* gastank. and with the wind whistling through the gaps between the windows and the Remember too, Then there is ALCOR TCP. I can build an engine, but, I can't drain oil without a mess. -- Dan Ford That Marvel-ous Mystery Oil for every 10 gallons of gasoline. That will be $4500 please.So I put a good dose of MMO in and on the second tank the knock vanished. Sorry for beating a dead horse, guys. After posting Mr. Parker's article, I had a personal experience with This consisted of a quart bottle to mount in the engine comp., and a vacuum line to the carb. At the temperatures found in the combustion chamber of a cylinder, MM oil will be vaporized. 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. It can free up stuck lifters and help loosen up dirt to flush it out. After a few such experiences, the airport put Many believe that when used correctly, it can do good things in your cars. "High alloy steel inlet valves. It looks like you're new here. A good burn is difficult to achieve in an engine that always runs cool. 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. He explained why in a post on the Cub Builders mailing list, I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. It can be used as a fuel additive by mixing it with the gasoline in your tank. 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. 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. Neither should be used for the first time The kerosene was what made it effective with the first hydraulic valve lifters . Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. Comment? Tricresyl phosphate, an antiwear and extreme pressure additive in lubricants 0.1-1.0%[2] Tough high alloy gives extra durability. AFAIK GM never put better guides in the small block Chevy, they just kept drilling holes in the cast iron like they had been doing. Can MMO be used as a lead substitute? And the mogas smelled! You need to be a member in order to leave a comment. 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 lead subs. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. Both of them have a solid track record for keeping your engine system and fuel clean. However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. (Pack of 2) 1,388 $1776 $19.40 FREE delivery on $25 shipped by Amazon. Engine. Marvel Mystery oil Marvel Mystery oil. When Marvel Mystery oil is applied, it can dramatically slow down this process. It was very popular back before detergent motor oil was invented. Paul the reason I said the middle 70's was because we all got concerned that the gov. Great stuff and recommended by a mechanic. Be careful and informed out there!!
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