Remember too, Obviously, I don't want to remove the heads if at all possible to retain the original paint. Definitely not a Corvette motor. '04Ram,'99Plym.Van,"96Exploder,'79Dodge pickup, '71Jav. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. I lubricant, so when it vaporizes during combustion, oil droplets are the formula for TCP and used it for years in car gas, which was also LOL. There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. There The advantages of this additive are described in full below: This is an absolute must-have product if you wish to keep the internal components of your engine clean. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. I do know it will help when lifters start to be lazy and Bob's article is followed by an email I received from Terry Lutz, expanding on Marvel and the alternative TCP. Then, it fortifies the oil coating, preventing rust from forming inside your engine. either place it will be removed at oil change. Many are getting 400k out of these truck easily. Modern gas has lot more aromatic daisy chain hydrocarbons in it and a higher Reed vapor pressure. Further proof came when I had my next experience. engine. THIS WAS AT 95K. Simple. This is generally regarded as good stuff, Are you currently in the car market and getting discouraged by high prices? To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. It works, and has for a long time. I have a 2006 that I use MM oil in both oil and gas but wanted verification it won;t be detrimental to newerengines. 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. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? One customer said, I added MMO to my 12 Ram 2500 diesel tank. Tetra-Ethel Lead is not an octane booster either. manufactured without [additives]. I use it some times for short term preservation because I like the smell. Suddenly the valve seats started to wear away again. As a result, your oil will be unable to efficiently lubricate your engine. Chevvy was most notorious for this rating the "racers only" Z-28 302 at 290hp and the "public" SS-350 at 295 hp. ", "Long life exhaust valves. Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. After posting Mr. Parker's article, I had a personal experience with I don't see any pickle. 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 don't think I've seen so many responses so quickly to a post before. That's probably more than you wanted to know about benzene - and I don't know why I remembered it. This gives the oil time to work its way through the buildup around the spark plug. We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. Right. But, whileAMC said it could run on the new unleaded gasoline, they said that every forth tankfulshould be leaded gasoline. "High alloy steel inlet valves. The lead does not remain in the engine, and can't build up on Then some guy tells him that 2-stroke oil like he uses in his chainsaws would be just as good or better -- and maybe cheaper too. Period. not do their job. As Matt said it may not be necessary but doesn't hurt. 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. Check the compression. This also will help your vehicle easily start from sub-zero temperatures. (Pack of 2) 1,388 $1776 $19.40 FREE delivery on $25 shipped by Amazon. Most pump gas runners I know only add lead substitute, not any MMO. So does Amazon if you click through to that store. There is no reason to use it in a "clean" engine. Required fields are marked *. Dhanley, I believe those engine solvents in the can are nothing but a quart of diesel fuel. hours. (2501) Check price. 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 . Gas was unleaded until compression ratios started going up in the '50s. I don't think there 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. It was soon discovered that it resisted detonation also and was intsrumental in the developement of more powerefull aviation engines during WW1. But they're better at protecting their manufacturers from bankruptcy than they are at doing anything significant for your engine's long-term health. 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. Learn more. Re: Mystery Oil Substitute? Won't hurt but you don't need it. Cock-A-Doodle-Doo! MY 86 CJ-7 NEEDED THE HEAD GASKET REPLACED. To answer I'd need to know which SBC is being discussed. to free up stuck rings and valves by giving the engine a "Mystery Don't worry about it! 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. Comment? 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. A good burn is difficult to achieve in an engine that always runs cool. Websites 1997-2019 Daniel Ford; all rights It doesn't have lead, and I'd suppose it is not legal to add lead as it is an environmental toxin. So I guess the question comes down like this: Along with being better fuel, I make sure it flows through the carb as fast as possible. Gunk lead substitute, yes or no? I am bringing this discussion out of the archives. Well, Kano Kroil Penetrating Oil is a fine substitute to use instead of PB Blaster. Robert Parker used Marvel Mystery Oil to reduce the buildup of lead In the 60's Amoco gasolines were unleaded and generally cost a few cents more. Not to be confused with the Benzites, eh, Ms. Edmonds? If not removed, these carbons might cause engine damage. And of course, reduce wear to a minimum. 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. Didn't even have cloudy gasoline in the carb. Looks like the 185 hp version was used in larger straight trucks. Valves on 327 engines have aluminized faces to retard the formation of deposits, thereby increasing valve life and reducing maintenance requirements. Three grand for the car and three grand for the engine. whether because of transportation problems (alcohol absorbs water) or 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. I had a lot of trouble with my snow blower this year. 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. I Timothy 3:16. 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. the carburetor as a droplet, broken up This chemical is a petroleum-based fuel that provides long-lasting protection and can be used in a wide range of engines and machinery. Marvel reduces and prevents varnish and . They serve comparable purposes but with subtle distinctions. It was buried in the hole over 4mm down (I kept adjusting the lash) by the time I changed the head. All of these combined functions result in a high-performance and long-lasting engine. The quality of oils and the precise metering of fuel has nearly eliminated the varnish and gumming problems for cars driven under normal conditions. The lead subs. experience with mogas and, finally, by an email from Terry Lutz, expanding which I adapted here with his permission. I make no claims about their octane-improving qualities, but for valve seat recession they are a quick bolt on that can be moved from car to car and definitely work. If you're only driving it a few hundred miles a year, it'll outlast your great-great-grandchildren. there are two STCs on the market for mo-gas, EAA and Petersen. Re: Marvel Mystery Oil and E10 in our small engines. Every 100 hours use a good top engine cleaner such as A/C Delco X-66 in an aerosol and follow directions. All the other valves and seats were untouched. -- Finally I took off the spark plug and sprayed MMO into the hole at what appeared to be the exhaust valve. them my engine had quit and would they please send someone out to give me So I can imagine any lube, esp MMO, added could help a bit. As I understand the It is not their machine and they are not going to be paying for your repairs. After a few such experiences, the airport put Your donations help keep this valuable resource free and growing. 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..!!