I contacted the maker and he asked what fuel I was using. Dan Ford, Other websites: Bob's article is followed by an email I received from Terry Lutz, expanding on Marvel and the alternative TCP. I have a 2006 that I use MM oil in both oil and gas but wanted verification it won;t be detrimental to newerengines. Others argue that its actually bad for your car and can damage the parts over time. 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. I am bringing this discussion out of the archives. Or any? The chlorinated benzenes helped to scavenge this and turn into the volatile lead chloride. the fourth is a tank of av-gas (100LL) Either of these work OK. Marvel Mystery Oil is an automotive product of the American Marvel Oil Company, [1] founded by Burt Pierce in 1923. 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 . See Also: Lucas Vs Seafoam: Head-To-Head Comparison. Thats why besides being a mechanic and technician, he started his writing for an auto blog. What about the ones that haven't? Worse, I once had the engine quit as I was coming in for a landing, I wonder if that's not the "secret ingredient" in MMO. 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. All the other valves and seats were untouched. YMMV.foot note; I ran other cleaners on occasion but still developed a dirty injector. 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. Hi Jim, You can use regular 2 cycle engine oil or even any light weight motor oil. Jul 14, 2017. Marvel Mystery Oil. However, Marvel Mystery oil stands out because it is cheaper than Seafoam and used for a variety of vehicles and equipment. Personally, I was sorry to see the mogas go, because I bought it was any particular problem with lead fouling the sparkplugs, but if there 3/ When Should You Use Marvel Mystery Oil? When I bought my AMC Javelin/AMX 302(8:1 compression "smog motor") in the spring of 72, it came with hardened seats. But the instructors hated it, one lad especially who got Posted September 2019. Moreover, the product is compatible with either full-synthetic or synthetic blend oil formulations. 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. A mechanic I know says to put a little of this in. Comment? #64741-49-9, or may substitute "Stoddard Solvent", CAS #8052-41-3, or. Discussion in 'Old's Cool' started by lucky6600, Dec 1, 2010. Most pump gas runners I know only add lead substitute, not any MMO. I don't think I've seen so many responses so quickly to a post before. 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. OR THE CROWING OF THE NOBLE COCK BENEVENTANO. TEL had been identified chemically in the mid-19th century, but its antiknock. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. DO NOT use it in vehicles equipped with catalytic converters. Won't hurt but you don't need it. The 'lead replacement petrol' wasn't doing any good at all. But the Marvel Mystery Oil helps prevent this from happening. 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. How many of us taxi at this RPM? high manifold pressures the wartime engines were operating at, Tetra Ethyl Detroit girl, 11, is left with brain trauma and staples in her head after child abuser teacher threw metal hockey stick at her. The main thing is:Drive your truck and enjoy it. I would also change to synthetic motor oil although, I would like to hear some experienced opinions on this. Marvel Mystery Oil can be used to keep the fuel system clean. 72 octane is the highest grade of gasoline that can be It is great for old,abused and sludged up engines. to do the cleaning job. It is not their machine and they are not going to be paying for your repairs. Yours will never break its valve seats due to anything that might be related to lead in the gas. Oil Enema.". -- Daniel Ford, by Robert Parker (Piper Cub Builders List). Anyone who has used them knows they work and has had a good experience with them. 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. bromide has to be at a certain temperature to work correctly. Both are high in detergents There are a lot of debates about Marvel Mystery Oil is it good for your car or not? GM bought the rights to much of Pierce's work and hired him as a consultant. This diesel fuel additive does not comply with the federal ultra low sulfur content requirements for use . 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 . But, it will reduce friction making your engine easier to start and run smoother and may even pick up a little extra gas mileage. 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. You may also use Marvel Mystery oil as an oil addition in the crankcase. Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. Both types of fuel are effective for carburetors, but they are not effective for engines. Finally I took off the spark plug and sprayed MMO into the hole at what appeared to be the exhaust valve. 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???) How much MMO do you use? Smokes like late freight or a Ridley Scott film. Reply to this topic . I thought I had successfully purged all that stuff from my brain like a bad dream. engine parts. Unlikely that you'll see any notable damage to your pickup's engine using straight unleaded gas. combustion, there is a chemical reaction between TCP and the lead in the 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 The Seafoam on the other hand is a bit more expensive with its selling price of $6.97 for a 16oz bottle. Ethanol much more readily evaporates then pure gas which basically can not get any more. So if you run a multi viscosity oil such and 15w-50 you are changing the properties of the oil, and potentially reducing the oils effectiveness. The leading theory is Took it to two different diesel shops and both said thatI needed injectors at almost 200k miles. Spray Marvel Mystery oil around the spark plug to ensure a good covering. | Facebook It happened quite a bit back in those days. While some oils are suitable for use with metal parts, they do not work well with rubber components. Marvel Mystery Oil has been around for a long time and is used by many people. Spark plugs in cars can become stuck and difficult to remove over time. Like Fox News says,"I report and you I forget the MIL spec number. We had charts that told us how many gallons of MMO to put in per The '30 Packard and '15 Hudson don't get pushed as hard as the others, but are typically treated to additives, as well - maybe a waste of time and $$, but I feel better about it. Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. In terms of pricing, both fuel additives have a pretty significant difference. You have a RPM drop that is excessive, and run the engine And I may as well replace all of them at this high milage. Puts me in a bit of a pickle! Ethanol evaporates pretty easily , especial the more you have and older it gets. Marvel Mystery Oil was formulated shortly after World War I by an automotive engineer named Burt Pierce. Drive with unleaded and be happy. on a high time engine; about half TBO or less should be the Some people swear by it, some people swear at it, A petroleum distillate (hydrotreated heavy naphthenic) is included, as is a petroleum distillate (Stoddard solvent). scavenge the lead from the fuel to keep lead from ever forming on vital fuel to form lead phosphate, which comes out of the exhaust stack as a grey I had a lot of trouble with my snow blower this year. It's primary purpose is to cool the cutters. You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. Great stuff and recommended by a mechanic. was also left to ponder what would have happened if I had overshot and 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. I have driven my Pontiac daily for 59 years, putting 400,000+ miles on a 99,000 mile vehicle. not do their job. These little powerplants use a mixture of methanol and nitromethane. -- Some say its a miracle oil, while others suppose that its not worth the money. 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. For every 10 gallons of gas, add 4 ounces of Marvel Mystery oil. 5.7. He spends his weekdays working for his garage and writing stories for oilsadvisor.com. It has everything it it your engine needs. named Rick told me that TCP stands for Tri-Cresyl-Phosphate. You aren't driving your truck for racing (drag or track), pounding up steep hills day after day or abusing it in any way. Mystery Oil also improved gas mileage and minimized engine wear. Marvel Mystery Oil MM12R - 16 Fl Oz. I think he was right thoughthe internal explosion of the diesel fuel as it gets compressed between the main bearings would probably clean it up pretty good, it would disassemble it for me, then if I didn't die, I could rebuild it in the parking lot over the next few days (if I didn't get arrested) and it would no longer use any oil. Slippery stuff! 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. there were 55-gallon barrels labeled MMO (Marvel Mystery Oil). When I was 19, I put it in the Cutlass I owned. Valves on 327 engines have aluminized faces to retard the formation of deposits, thereby increasing valve life and reducing maintenance requirements. Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. These are all question. 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. Are cars nowadays wanting for top cyl lubrication with unleaded gas? They claim that the engines run VERY SMOOTH. Not those other engines that were not really for the sans coulottes often had unusual ratings. You are actually in error on many of your assumptions. It can scare you, though. That hot topic debate was even earlier in the 70's. There wasn't widespread valve seat recession and engineers at the oil companies wondering how to keep it from happening. Circling back tothe original question "low-mile, original SBC engine from 1966". Thanks, PFitz. Copyright 2023, Antique Automobile Club of America. This Every 100 hours use a good top engine cleaner such as A/C Delco X-66 in an aerosol and follow directions. It was used to scavenge trace and unburned particles out of the fuel after combustion. Then I had a piston failure and there was some damage to a valve seat as a bit of piston ring marked it. My experience with MMO.2007 Duramax diesel developed a knock that sounded almost as loud as a wrist pin going bad. "High alloy steel inlet valves. Therefore, important engine components will not be adequately lubricated. Gunk lead substitute, yes or no? Didn't even have cloudy gasoline in the carb. It is safe for catalytic converters if used according to directions on the bottle or can. 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. However, it turned out later on that the fears were overblown. Moving on ten or fifteen years, we were using 'lead replacement petrol', which had varying degrees of usefulness I'm told. 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. Lead was an octane booster. 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. 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. Aluminized head retards build up of deposits and chrome plated stem reduces scuffing and wear. You don't spill this stuff on your Petersen's STC allows for mixing of av-gas and mo-gas. I have used Marvel many times over the years. 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. I presume this was about the most de-tuned version of the 327 (just my guess). 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. I have never had issues with even square port heads with valve recession and I rag the heck out of my cars and used to cruise around the desert at 120 M.P.H. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. 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. Born in Chicago in 1923, Marvel Mystery Oil was developed to combat deposits on carburetors caused by poorly refined gasoline of the age. it absorbs water out of the atmosphere. Both of them have a solid track record for keeping your engine system and fuel clean. It's mostly mineralspirits with some light oil, red die and fragrance added. Ryan has got more than 15 years in the auto industry. - It makes a beautiful molecule - the famous "benzene ring". It contains additives that help lubricate and protect the engine. created during WWII because the cooler cylinders on the multi-row radial 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. After a while, your vehicles engine may begin to malfunction. Marvel Mystery oil and Seafoam are equally excellent products. Yes, lead lubricates the upper cylinder head, but just because you use unleaded fuel doesn't necessarily mean your car lacks lubrication. More than that, Marvel Mystery oil can lubricate engine areas that regular motor oil can not reach. I use Marvel in the fuel in my A.C. WD-45 tractor. They did not live very long. 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. It is a rather critical machining process, and if you get it wrong, a seat can fall out and hold a valve open. engines would lead foul, creating lots of engine problems. Gas was unleaded until compression ratios started going up in the '50s. 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..!! Use the directions on the back for amount to put in the fuel per N201MKTurbo. Marvel Mystery oil has been carefully designed with additional ingredients to help reduce oil consumption by preventing carbon build-up.
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