We are putting 89 octane in, and adding a can of lead substitute every tank right now. (I use Petersen's. I also put a qt. It's illegal to use on a public road for the second time! I found at the time there is a simple fact relating to these devices. Is Marvel Mystery oil good or bad? 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? Puts me in a bit of a pickle! Are you currently in the car market and getting discouraged by high prices? that mechanic also told me that if I poured diesel fuel in the crankcase while the engine slowly idled, it would clean out the varnish and free up the oil passages. The pickup is driven sparingly, just a few hundred miles per year, if that. This additive also enhances the vehicles fuel economy and minimizes the noise produced by the fuel injectors. Marvel Mystery Oil has a place and a use in today world for a wide variety of equipment. 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. Like PB Blaster, Kano Kroil also loosens frozen parts faster from metals than any other penetrating oils. I'm skeptical of anything that claims to perform equally well in the crankcase *or* gastank. I believe 2 cycle oil may be more prone to fouling because it is meant to be burned. Not sure if still available but have a few years supply. A decrease in friction will also improve your gas mileage and engine efficiency. Marvel reduces and prevents varnish and . Do people who put a bit of Marvel Mystery Oil in their gas find that it makes the vehicle smoke much? that our friendly 80 octane had. MMO isno mystery. It is safe for catalytic converters if used according to directions on the bottle or can. padgett, this is a stock "hi-torque" 327 truck engine. Three grand for the car and three grand for the engine. What fuel or additives we are talking about depends on which SBC (the 275hp 327 was a really nice Impala combo but required premium fuel). Reply to this topic . The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. Mystery Oil also improved gas mileage and minimized engine wear. How much MMO do you use? 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. 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. (2501) Check price. This makes sludge and corrosion accumulate and causes damage. formula was purchased by ALCOR. Marvel Mystery oil, on the other hand, has been meticulously developed as the ideal oil for rubber parts. I had a lot of trouble with my snow blower this year. manufactured without [additives]. Oct 11, 2006 . There was some discussion in those days about guides, but it wasn't the main thing. 5.7. Why does this happen? Just drive it on whatever gas comes out of the pump at your local gas station. MMO is basically mineral oil, thinner, and a dash of a chemical soap. Lead was an octane booster. Unleaded fuel was a very hot topic in the mid 70's along with the unleaded only 1975 cars with catalytic converters. Suddenly the valve seats started to wear away again. Not to be confused with the Benzites, eh, Ms. Edmonds? because the gasoline comes from a region where ethanol is not used. Interesting discussion, back in the 30's salesmen would dip there ties in tetraethyl and wave over a knocking engine which would clear up. Spark plugs in cars can become stuck and difficult to remove over time. Understanding that the various brands of what I call 'tin canisters, which are marketed under many names, worked to save valve seats by leaching tin into the fuel, I ordered one. for every 10 gallons of gasoline. Works OK in modern fuel injected engines , not so well in old carburetor-ed engines, as they also use too much ethanol in the gas. Save my name, email, and website in this browser for the next time I comment. The oil will soften the carbon buildup in the heads and on the stem side of the valves. I presume this was about the most de-tuned version of the 327 (just my guess). Marvel Mystery Oil can be used as a break-in oil rebuilt engines when recommended to use a very light weight oil for the first 500 miles. 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. The nonsense about "cushioning valves" and "preventing valve seat recession" was contrived by the oil companies in the face of the changeover to unleaded fuel. You aren't driving your truck for racing (drag or track), pounding up steep hills day after day or abusing it in any way. Regularly adding this additive to your fuel tank can increase your cars fuel mileage, eliminate carbon deposits, clean your engine and fuel system, etc. At the temperatures found in the combustion chamber of a cylinder, MM oil will be vaporized. To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. Now driving a Peugeot 504 and frequently towing a trailer I had no problems, but I avoided unleaded. Do not worry yourself into an early grave. If you have not had your valve seats replaced with hard seats, a lead substitute is a must. Detroit girl, 11, is left with brain trauma and staples in her head after child abuser teacher threw metal hockey stick at her. 2/ Will Marvel Mystery Oil Reduce Oil Consumption? Most gas has about 10 to 15% these days.E-85 has as much as 85 % ethanol, but out west here it's more like e-40 or 50 . See for yourself. This engine still wears it's factory paint and decals so I'm assuming that it has never been apart. By creating a top ring seal, it produced higher compression and, by preventing blow-by on power strokes, it resulted in more power. 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. Marvel Mystery Oil is top end lubricant , not an octane booster. Worse, I once had the engine quit as I was coming in for a landing, Now you know how it works, I will neither recommend or not You are actually in error on many of your assumptions. avoided in the smaller and older engines. When the Cub engines went down to idle speed in thanksStan. either place it will be removed at oil change. Reply #2 on: September 30, 2020, 09:06:35 am . Learn more. Smokes like late freight or a Ridley Scott film. Carburetor1; Feb 14, 2022; OTC and Third Party Oil . Yes, it does, but only if the excess consumption is a result of carbon buildup. 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. So does Amazon if you click through to that store. Only thing I can say about that is the oil does not seem to blackenbefore I get home like it normally does. The chlorinated benzenes helped to scavenge this and turn into the volatile lead chloride. an answer for you. Probably not an issue with racing, however. decide". It's more cleaner than oil. [2] It is used as a fuel additive, oil additive, corrosion inhibitor, penetrating oil, and transmission leak stopper and seal relubricator. This was a hot topic in the late 80s and early 90s. Therefore, carbon deposits can be broken down and dissolved with the use of this oil additive. MMO goes through on cumbustion chamber walls, valve guides, around the valve stem, You don't need it, but if you trust your mechanic then there's no harm. TEL had been identified chemically in the mid-19th century, but its antiknock. nauseous each time he gave a lesson. and on the spark plug. by the five-gallon jug to use in my lawnmower, chainsaw, and snowblower. Ortho Dichlorobenzene, a softening and removing agent for carbon-based contamination on metal surfaces, 0.1-1.0%[2] We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. The mileage appears to be 34,000. in the bottom of the oil kidney. 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. You know when you pull a magneto check at the runup area after Pierce was best known for his invention of the "Marvel Carburetor", which became the standard automobile carburetor of its time. This improves your gas mileage by increasing the . Didn't even have cloudy gasoline in the carb. I use it some times for short term preservation because I like the smell. the fifth one says let me check and I will get back with you. Paul the reason I said the middle 70's was because we all got concerned that the gov. Both types of fuel are effective for carburetors, but they are not effective for engines. The first pick in our list is the MM13R. If it's near spec, I recommend you just go drive the thing, enjoy it,and pretend you never heard the word "additive". Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 the engine passages and crevices and hydraulic lifters, and stores it on unleaded and no additives. The problem turned out to be one of those new condensers. there's some xylene in there, too. 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. 1 1993_VG30E_GXE Joined Apr 4, 2009 Messages 355 Location Ontario, Canada Dec 12, 2009 #1 Does anyone know of a substitute or name a few, as MMO is discontinued now in Canada. Newsletter? What's Customers Say About Marvel Mystery Oil. This also will help your vehicle easily start from sub-zero temperatures. sebastian seymour, lord seymour Many are getting 400k out of these truck easily. You don't spill this stuff on your Copyright 2023, Antique Automobile Club of America. 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. gallon of fuel (4 to 6 oz. we weren't allowed to prop the planes without someone in the cockpit.) Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. 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.