As Matt said it may not be necessary but doesn't hurt. ", "Hydraulic valve lifters, both inlet and exhaust.". . i have a 2001 astro van 6 cylinder vortec with 250thou on it.. i bought it a year old .. an runs like a spanked race horse.. use marvel EVERY fill up.. no knocks an pings ,, just flat out gets it..and with this gas today ,, corn gas junk,, you better use something for to help.. its the engine destroyer..i even use a 1/2 quart in my oil at oil changes.. Nice i really enjoyed reading your blogs. Send me an
It is great for old,abused and sludged up engines. Marvel Mystery Oil is a product used to clean the fuel system of piston planes. I do the same for the '65 Corvair, '37 Buick Roadmaster, and '88 Corvette. I do know it will help when lifters start to be lazy and
He then explained that some 'lead replacement petrol', because of the additives they were using in it, grew a fungus in it which coated the tin pellets in the canister and prevented the leaching. 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. I don't think there
Joined: Feb 27, 2010 Oddometer: 2,245 Location: CT USA. Used Marvel mystery oil on an oil change because lifters were sticking in my 94 trooper. Drive it as it is, put regular gas in it and stop worrying. 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. Marvel Mystery Oil can be used to keep the fuel system clean. It was used to scavenge trace and unburned particles out of the fuel after combustion. Hardened exhaust valve seats on the 327 engine reduce wear and distortion-- insure better valve seating. After posting Mr. Parker's article, I had a personal experience with
For a 400 Pontiac I like the 6X heads - hardened seats and more manifold bolts. I use Mobil which is considered a "Top Tier" gasoline: https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. Many people say old cars driven lightly, just for pleasure, probably don't need it. In a hard sealed full container (no vent), it should last a while. Why does this happen? Since 80-octane fuel has disappeared from Michigan, there has
Lead (TEL) was a necessity. 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. As far as the induction hardenning, Where is that info from? on a high time engine; about half TBO or less should be the
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. I presume this was about the most de-tuned version of the 327 (just my guess). Most pump gas runners I know only add lead substitute, not any MMO. With an original, un-modified small block chevy engine like mine (with original heads) should I be worried about running lead additive/substitute? Our editors pick the products & services we write about. Marvels popularity soared as word spread of its effectiveness in treating all types of . Not just before an oil change, but continuously. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). 72 octane is the highest grade of gasoline that can be
and that was far too often for my taste. The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. through directly through the carburetor while the engine is running. Can MMO be used as a lead substitute? 2-3 ounces per 10 gallons is enough. The exhaust valve must have been stuck before I sprayed the MMO. Yes, that explains how it keeps the bugs out of your engine. So the airport could hire a tanker truck to go to the terminal and
As far as the valves, MMO helps remove/prevent carbon build up on the valves. However, Marvel Mystery oil stands out because it is cheaper than Seafoam and used for a variety of vehicles and equipment. This is a fuel additive specifically designed to
fouling syndrome. It works, and has for a long time. This in turn caused increased vehicle performance and fuel economy. They claim that the engines run VERY SMOOTH. 3 And without controversy great is the mystery of godliness: God was manifest in the flesh, justified in the Spirit, seen of angels, preached unto the Gentiles, believed on in the world, received up into glory. Change the oil and filter regularly, take it out on the highway a few times a year and blow the carbon out and when required in 75 or 100 thousand miles when you have to open the engine check for valve seat recession and report back. In very short order this one seat dramatically ate itself away. in olden times (say, before unleaded fuel. Right. MMO isno mystery. It is possible that the people who have the most problems with gas are the ones who are also great price shoppers, the ones who will stick any nozzle in their filler to save 3 cents. All the other valves and seats were untouched. Hampton Airfield 7B3 is located on the New Hampshire seacoast,
Period. No problems. Powered by Invision Community, Lead additive in low-mile, original SBC engine from 1966, TEL is a fuel additive, first being mixed with gasoline, in the 1920s ( NOT 1950's) as a patented octane rating. fuel to form lead phosphate, which comes out of the exhaust stack as a grey
When the Cub engines went down to idle speed in
was any particular problem with lead fouling the sparkplugs, but if there
THIS ELIMINATED THE VALVE TAP THAT HAD EXISTED PRIOR TO THIS WORK. email. That hot topic debate was even earlier in the 70's. More sharing options. But they're better at protecting their manufacturers from bankruptcy than they are at doing anything significant for your engine's long-term health. For years we raced methonal fueled sprint cars without top oil and dispite proper mantainance we rebuilt Hilborn fuel pumps 3-4 times a season. Nothing else intervened and nobody else touched my engine. Many are getting 400k out of these truck easily. I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. Keep on posting. Now you know how it works, I will neither recommend or not
My understanding is that valve rotators were developed to prevent lead deposits. Share Followers 0. So, whats the truth? It is difficult to pick a winner amongst these two products. What's Customers Say About Marvel Mystery Oil. cut-off time, for first use. Thanks. People use Marvel Mystery Airtool oil. Before that is was all the hype about new cars being unleaded only. A good burn is difficult to achieve in an engine that always runs cool. Great stuff and recommended by a mechanic. Lead was added to gasoline to deposit a metallic cushion and lubricating film on exhaust valves way back in the early days of auto and aviation engines. My 10.25:1 400 is kinda marginal so I add something mainly for my peace of mind. 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. 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? Yeah, anything can fail, but there is no way I would take that engine apart because of the valve seats. Didn't even have cloudy gasoline in the carb. The series ran for five seasons on CBS, lasting 158 half-hour episodes, all filmed in black-and-white.Creator/writer Carl Reiner had told the cast from the beginning that . There
Marvel Mystery Oil can be used as a fuel and oil additive. either place it will be removed at oil change. The trick on a 65 hp Continental is to take the primer
Just drive it on whatever gas comes out of the pump at your local gas station. 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. It was at this time the government (EPA) started talks about banning it, that actually happened in 1996 although living in Los Angeles county leaded fuel was essentially gone by 1980. Car was his first love and passion. padgett, this is a stock "hi-torque" 327 truck engine. I am bringing this discussion out of the archives. MMO is a good product and will help keep your carb clean though. 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. The rest is history. 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. Ethanol evaporates pretty easily , especial the more you have and older it gets. July 9, 2019 in General Discussion. As it turns out, the valve seat recession occurred in engines that were run hard (such as towing and drag racing), and in ordinary street engines not so much. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. 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 . Dan Ford, Other websites:
The engine is very quiet and responsive. Add To Fuel To Clean Engines And Increase Gas Mileages. I have wondered what adding MMO does to your 5w-20 as well. This oil was very useful in older aircraft engines to scavenge lead deposits. Not sure if still available but have a few years supply. bromide has to be at a certain temperature to work correctly. Pretty sure it didn't require any special fuel back then. Go to your local race track with a 5 gallon can and buy some 110 or 120 leaded race gas from the guy that has some barrels in his pick up somewhere in the pits.. $10 - $15 per gallon. it absorbs water out of the atmosphere. 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..). normal drop. Robert Parker uses Marvel Mystery Oil to reduce the buildup of lead from 100LL. cox communications ceo salary. OTOH many years ago racers agreed that STP might save the engine if starved for a few seconds under high load. manufactured without [additives]. What power steering fluid is compatible with 89021184? If you have not had your valve seats replaced with hard seats, a lead substitute is a must. Sign in or register to get started. Learn more. 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. lead build up and fouling of spark plugs, along with valve
And guess what? Using a top oil like Marvel is fine for keeping carbon buildup on the stems. As I understand the
about the same thing, with small changes in the recipe, so as not
know, so I called the 800 number on the side of the can. Marvel mystery oil safe for modern engines? Drive with unleaded and be happy. However, there are some customers who dont like this product. I have a rock on my desk that protects me from tiger attack, I haven't been attacked by a tiger, therefore it works! Three grand for the car and three grand for the engine. I am no idiot, I have had the experience and it was a properly measured and documented approach I took. | Sail Alaska's coast
It soaks into the carbon and eventually
Colder than that, and we couldn't fly,
As an oil additive, you replace up to 20 percent. Free shipping for many products! So in the end, Marvel Mystery oil isn't a gimmick. 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. Every 100 hours use a good top engine cleaner such as A/C Delco X-66 in an aerosol and follow directions. Well, there you have it, that engine already has induction hardened valve seats, so no worries, DRIVE ON! Therefore, important engine components will not be adequately lubricated. 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. on Marvel and its alternative, TCP. a prop? 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. If not removed, these carbons might cause engine damage. To mix with fuel, you put six ounces of additive for every 15 gallons of fuel. If you have a question and call, Petersen has
You need to be a member in order to leave a comment. Marvel Mystery oil and Seafoam are equally excellent products. 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. So I guess the question comes down like this: It only takes a few ounces of
Many believe that when used correctly, it can do good things in your cars. Just a little correction here. Its formula contains an oil-thinning ability that solves this problem. Don't encourage someone to do something illegal. Sorry if this has been discussed before (I know it has been). 3. The lead subs. Are you currently in the car market and getting discouraged by high prices? Benzene is an interesting little hydrocarbon. which I adapted here with his permission. 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. engine. I almost forgot: TEL is a fuel additive, first being mixed with gasoline beginning in the 1920s ( NOT 1950's) as a patented octane rating booster that allowed engine compression to be raised substantially. The automotive gasoline option. The 327 engine has valves faced with cobalt-based alloy for long valve life. thanksStan. 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.