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What's Customers Say About Marvel Mystery Oil. an answer for you. either place it will be removed at oil change. 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. That would most likely cause catastrophic engine failure. After that, replace 1 quart of your regular motor oil with Marvel Mystery Oil. However we are addressing two totally different problems. The amount of TEL in the higher grade fuels has increased the Ethanol much more readily evaporates then pure gas which basically can not get any more. All the other valves and seats were untouched. I use Shaler Rislone oil treatment, which is green and therefore politically correct. Or is it not really noticeable? You 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. Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. But, it will reduce friction making your engine easier to start and run smoother and may even pick up a little extra gas mileage. Let's end this nonsense before the cloudy waters become opaque, eh? normal drop. Some people swear by it, some people swear at it, -- Dan Ford That Marvel-ous Mystery Oil | Reading Proust. that are most common use MMT and are more like an octane booster. a considerable taxi to get there, and you are running straight I use Marvel in the fuel in my A.C. WD-45 tractor. Thanks. from 100LL. Re: Marvel Mystery Oil and E10 in our small engines. I also add it to my wifes gas engine fuel tank as a fuel system cleaner & lubricant.. To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. there's some xylene in there, too. high manifold pressures the wartime engines were operating at, Tetra Ethyl When the Cub engines went down to idle speed in Just finished my third overhaul, this time I had to replace the guides for the first time and fix 15 cracks in the block. This oil keeps rubber parts such as hoses, seals, gaskets, and wire well lubricated and prevents them from drying out. was also left to ponder what would have happened if I had overshot and Tricresyl phosphate, an antiwear and extreme pressure additive in lubricants 0.1-1.0%[2], According to the company's 2015 safety data sheet Marvel Mystery Oil is composed of:[2], Petroleum Distillates (Hydrotreated Heavy Naphthenic) also known as mineral oil, 60-100%[2] Therefore, it helps reduce friction of moving parts and cools the engine. I use an additive (CD-32)in my Judge with #12 heads. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. but results is what really tells the tale. manufactured without [additives]. 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. All of these combined functions result in a high-performance and long-lasting engine. Posted September 2019. Neither should be used for the first time 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. 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. Instead of a 'lead substitute', try Marvel mystery oil. 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. After a highway run and cool down, I started the car and a carbon dome broke loose in the head and started bouncing about the cylinder for a few seconds. 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). 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. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? Before that is was all the hype about new cars being unleaded only. Both are high in detergents in crank case a week or two before oil change. Most boat owners run 4oz of MMO to ten gallons of fuel. It was very popular back before detergent motor oil was invented. to do the cleaning job. But aviation fuel continued to contain lead, so the It can free up stuck lifters and help loosen up dirt to flush it out. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. everyone was looking for a lead substitute in forum. | Facebook Great stuff and recommended by a mechanic. Required fields are marked *. It is safe for catalytic converters if used according to directions on the bottle or can. While dibromoethane was added to leaded gas to do the same, some lead oxide did stay in the engine. Also, some others stated that the price of this additive is quite high. 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. we weren't allowed to prop the planes without someone in the cockpit.) Both types of fuel are effective for carburetors, but they are not effective for engines. Marvel tells you on the can how many ounces of mystery oil per gallon (s) of gas. 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. Copyright 2023, Antique Automobile Club of America. Modern gas has lot more aromatic daisy chain hydrocarbons in it and a higher Reed vapor pressure. It's amazing how tertra ethyl lead was used to reduce emmissions way back at the turn of the century? To answer I'd need to know which SBC is being discussed. or intake manifold. 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. When Marvel Mystery oil is applied, it can dramatically slow down this process. Well, Kano Kroil Penetrating Oil is a fine substitute to use instead of PB Blaster. We are putting 89 octane in, and adding a can of lead substitute every tank right now. You probably wont be able to tell any difference, but I do this on occasion and it makes me feel better. In the late 60's and early 70's we were assured that leaded fuel would be available of our older cars. Same color, same smell. (2501) Check price. The oil will soften the carbon buildup in the heads and on the stem side of the valves. I run this product in my 7.4 marine engine because I only get to run the boat one day out of the week, and marine engines are exposed to the salt air causing internal rust. by the five-gallon jug to use in my lawnmower, chainsaw, and snowblower. It is great for old,abused and sludged up engines. The pickup is driven sparingly, just a few hundred miles per year, if that. Use additives if you want, it won't hurt the engine. It works with both diesel and gasoline engines. Is Marvel Mystery oil good or bad? N201MKTurbo. Last edited: Mar 24, 2011 My wife said no FJ! The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. So the airport could hire a tanker truck to go to the terminal and 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. But I had to drive 1500kms with a trailer before the tin canister would arrive. and hardened valve seats became common after 72. per 10 gallons of fuel). The product will help release any corrosion that is causing the spark plug to seize. Carbon deposits will cause motor oil to burn more than usual. 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. Aluminized head retards build up of deposits and chrome plated stem reduces scuffing and wear. 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). about sixty miles from Portland, Maine, which happens to be the port where Anyone who has used them knows they work and has had a good experience with them. Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! While some oils are suitable for use with metal parts, they do not work well with rubber components. 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. Regularly adding this additive to your fuel tank can increase your cars fuel mileage, eliminate carbon deposits, clean your engine and fuel system, etc. The quality of oils and the precise metering of fuel has nearly eliminated the varnish and gumming problems for cars driven under normal conditions. Many are getting 400k out of these truck easily. It does work well though to remove the sludge in the oil pan. which again left me at the far end of the runway without power. 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. 1. does. MARVEL Mystery Oil. 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. 1100 to 1200 RPM. YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. I have been driving a 10.25 compression ratio 401 Buick for the last 15 years on regular pump gas. Marvel Mystery Oil is top end lubricant , not an octane booster. 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. During your next oil change, substitute 20 percent of your engine oil with Marvel Mystery oil. 80/87 has 0.50 ml TEL [tetra-ethyl lead] per gallon and is dyed RED, 91/96 has 2.00 ml TEL per gallon and is dyed BLUE, 100LL has 2.00 ml TEL per gallon and is dyed BLUE, 100/130 has 3.00 ml TEL per gallon and is dyed GREEN, 115/145 has 4.60 ml TEL per gallon and is dyed PURPLE. Some will make it to the screen, but 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 As far as the induction hardenning, Where is that info from? 3. You have a RPM drop that is excessive, and run the engine Timothy. much of northern New England's gasoline comes arrives. Marvel Mystery oil has been carefully designed with additional ingredients to help reduce oil consumption by preventing carbon build-up. And I may as well replace all of them at this high milage. 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. Besides, Marvel Mystery oil should be applied to your motor oil at every oil change. See for yourself. Please provide proof so we can switch to the perfected heads. Quote; Link to comment Share on other sites. The problem turned out to be one of those new condensers. It's your money. THIS ELIMINATED THE VALVE TAP THAT HAD EXISTED PRIOR TO THIS WORK. Others say a bit of Marvel Mystery oil in each tank is a good idea. Don't worry about it! Use the directions on the back for amount to put in the fuel per They said that it caused oil leak in his Chevy Silverado 2004. recommend the procedure. However, the carrier is toluene, and Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. Also the single quad L88 at 430 hp and the pundits top tripower at 435. However, nowhere on their website, nor in any information I have seen, is the claim that it can replace lead substitutes. 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. http://www.marvelmysteryoil.com/index.php/site/mmo/ The following is my experience with valve seat recession. A good burn is difficult to achieve in an engine that always runs cool. 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. They have quarts of Marvel mystery oil for about $2.00 each. Won't hurt but you don't need it. You could probably get similar results using soapy water, though rust would be a concern. (And no, With Marvel Mystery oil, you dont have to worry about your oil thickening at low temperatures. LOL. Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? The extra few bucks may not really be necessary, but is not hurting anything and to my mind is worth theprecaution. and with the wind whistling through the gaps between the windows and the He hasnt had to replace the crappy fuel pump yet, even after 300k miles. 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. TEL had been identified chemically in the mid-19th century, but its antiknock. Cleaning firearms with Marvel Mystery Oil? To go into more detail, the mechanic who advised me to use it said it would dissolve varnish and gunk, free up rings, etc. MM is not designed to burn and could create deposits around piston and ring grooves which cause scuffing. 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. engines would lead foul, creating lots of engine problems. '04Ram,'99Plym.Van,"96Exploder,'79Dodge pickup, '71Jav. about the same thing, with small changes in the recipe, so as not - It makes a beautiful molecule - the famous "benzene ring". With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". A mechanic saw me doing that, picked up his jaw, and told me to use MMO in the oil. 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. answered, I do, how often do you have to change your brake pads?). Robert Parker used Marvel Mystery Oil to reduce the buildup of lead reserved. Thanks, PFitz. Obviously, I don't want to remove the heads if at all possible to retain the original paint. 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. Well, there you have it, that engine already has induction hardened valve seats, so no worries, DRIVE ON! Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. Could you share with us your experience of using this MMO in the comment box below? Seafoam charges almost double the price of Marvel Mystery. Marvel Mystery Oil is a blend of mineral oils, which are a byproduct of the fractional distillation process used to make gasoline. See Also: Lucas Vs Seafoam: Head-To-Head Comparison. Now you know how it works, I will neither recommend or not One of the hot rodding magazines (probably Popular Hot Rodding) built some engines and ran some tests. TEL vaporized and the excess pushed out the exhaust, and this venerable taildraggers. I first experienced this in the Toyota 12R engine (I think that's the right designation, 1600cc pushrod) in a Hi-Ace. Jul 14, 2017. Increases Gas Mileage. 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? Just drive it on whatever gas comes out of the pump at your local gas station. There is a very good article on RVP and specific gravities as well as othe things relative to custom blending of racing fuels available from Torco and I beleive Sunoco has some litteriture also. Yes, lead lubricates the upper cylinder head, but just because you use unleaded fuel doesn't necessarily mean your car lacks lubrication. Most pump gas runners I know only add lead substitute, not any MMO. The main thing is:Drive your truck and enjoy it. 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 . I HIGHLY recommend this product.-----Greg. I believe mine is the 225 hp version from what I'm seeing in the literature. know, so I called the 800 number on the side of the can. Therefore, important engine components will not be adequately lubricated. It does not mean that you need to cut the link with Seafoam . So, whats the truth? More than once I had to get on my handheld radio and call the shack to tell These are all question. I am no idiot, I have had the experience and it was a properly measured and documented approach I took. . What power steering fluid is compatible with 89021184? This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. That will be $4500 please.So I put a good dose of MMO in and on the second tank the knock vanished. This is generally regarded as good stuff, Don't think adding a top oil in the right ratio can do anything to hurt an engine/fuel system. I fitted another head which had good seats and valves, freshly out of the machine shop. He also loves making connections and friends in the automotive industry. The engine ran smoother and quieter, almost silent at idle. Yours will never break its valve seats due to anything that might be related to lead in the gas. You are actually in error on many of your assumptions. 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). Drive with unleaded and be happy. I Its formula contains an oil-thinning ability that solves this problem. Marvel Mystery oil Marvel Mystery oil. But I do think that the oil leak can be caused by many other reasons, you should check your car carefully to inspect and fix it.