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. Low HP cars are doing these grades in low gears barely making 40MPH. So in the end, Marvel Mystery oil isn't a gimmick. And guess what? Just like the topic of using non-detergent oil. By creating a top ring seal, it produced higher compression and, by preventing blow-by on power strokes, it resulted in more power. Cock-A-Doodle-Doo! Using a top oil like Marvel is fine for keeping carbon buildup on the stems. Post in the forum instead. 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. Everyone was gonna need hardened seats installed in their heads, or need to use smog-era heads with the induction hardened seats, etc. After a few such experiences, the airport put manufactured without [additives]. Three grand for the car and three grand for the engine. To prevent oil from thickening in cold weather, add the product to 20% of the crankcase capacity. gallon of fuel (4 to 6 oz. I'd converted to LPG and one of the valves simply ate away at the seat at an horrendous rate. Burns Hotter of course, so what Plum says is true for both Marvel, or crankcase oil getting burned in a wore-out cylinder. 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. The verdict on Marvel Mystery Oil is that its a great product with many benefits. Then I can tell you it definitely improves the fuel economy. Marvel Mystery Oil(R) boasting an enviable reputation among vehicle owners worldwide, is truly a legend of its own. Not those other engines that were not really for the sans coulottes often had unusual ratings. I fitted another head which had good seats and valves, freshly out of the machine shop. The "Turbo-Fire" 327, by comparison, had a 10.5:1 compression ratio. However we are addressing two totally different problems. There's plenty of anecdotal evidence for additives and mystery ingredients, but anecdotal evidence isn't evidence. Add To Fuel To Clean Engines And Increase Gas Mileages. avoided in the smaller and older engines. Be careful and informed out there!! 8 years after I had rebuilt the carb I removed the cover and found this: Pretty clean after all those horror stories. 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..!! When winter is over your engine will be thanking you as the life of your car continues to extend. Please provide proof so we can switch to the perfected heads. A mechanic I know says to put a little of this in. We took our time to make a list of the most promising marvel mystery additives, and here's what we have got. Neither should be used for the first time Back in the 50's the Marvel Co. sold automatic dispensers for their product. I have been running unleaded in the Ambassador for 230,000 miles and never had valve seat issues. valves and guides to mess up your engine. 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. does. Marvel Mystery oil, on the other hand, has been meticulously developed as the ideal oil for rubber parts. Gas was unleaded until compression ratios started going up in the '50s. about the same thing, with small changes in the recipe, so as not https://www.consumerreports.org/car-maintenance/study-shows-top-tier-gasoline-worth-extra-price/. 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. This in turn caused increased vehicle performance and fuel economy. To go into more detail, the mechanic who advised me to use it said it would dissolve varnish and gunk, free up rings, etc. More sharing options. Several old mechanics from the 1950's told me it was early auto transmission fluid with about 25% kerosene. Never saw that before but was RPO ZL1. 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. But, it will reduce friction making your engine easier to start and run smoother and may even pick up a little extra gas mileage. I use it in everything but a modern car that strictly specifies premium. 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. 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. 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. Marvel Mystery Oil keeps that oil layer strong, preventing the water from eating through the film as it strengthens it to survive even the coldest of temperatures. 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 . Learn more. 72 octane is the highest grade of gasoline that can be Motorcraft Coolant Equivalent: [Orange & Premium Gold], 1987 2022 Jeep Wrangler Oil Type And Oil Capacity Guide. 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. After posting Mr. Parker's article, I had a personal experience with It's all BS but it worked, and the unleaded was phased in over a period of years. formula was purchased by ALCOR. Marvel Mystery Oil MM12R - 16 Fl Oz. So after a year or two, the STCs Are available for most engines now and should be considered whenever a head come off. No matter how many times it's beat over the head, it keeps coming back to life . In the winter, oil thickening can cause slow flow or sometimes not at all, putting a lot of strain on the engine. -- Daniel Ford, by Robert Parker (Piper Cub Builders List). They also got mogas STCs for the airport's fleet of Cubs and other Genesis 1:1-5, 26-31 I Corinthians 8:1-6 John 1; 8; 14 Colossians 1; 2 Regular use can lead to improved fuel economy. Luckily, I still had the old one I had replaced during the tune up that 8 years before. The customer rating for Marvel Mystery Oil (MMO) is 4.7 out of 5 stars. The metal parts of your engine rust over time and eventually fail. I had to dismantle it, clean them with bleach and then reassemble it. Increases Gas Mileage. Marvel mystery oil lubricates the entire fuel system-fuel pumps, fuel injectors or carburetors and the top portion of the cylinders. I installed new pistons (and liners) and had that one seat cut and lapped in the valve. Marvel Mystery Oil is top end lubricant , not an octane booster. 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 octane is in how the fuel is refined and what "CUT" it is is. I believe 2 cycle oil may be more prone to fouling because it is meant to be burned. Carburetor1; Feb 14, 2022; OTC and Third Party Oil . The leading theory is If you want your engine to last as long as possible add a little Marvel Mystery Oil, Bardahl, Redex or your favorite upper cylinder lubricant to the gas. 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. OTH if snake oil makes you happy use it. Question? 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. Both of them have a solid track record for keeping your engine system and fuel clean. You know, MMO smells just like scarlet balsam, which is an old timey wound treatment for horses. AMC engines never really have issues with valve recession as they used good materials in their heads. a prop? What about the ones that haven't? Then, wait for an hour or longer before attempting to remove it. When I was 19, I put it in the Cutlass I owned. Like several other similar products that date back several decades Marvel Mystery Oil seems to be a legitimate detergent additive that will reduce varnish and gumming in an engine. Jul 14, 2017. This cleans the carbon and sludge collected in Circling back tothe original question "low-mile, original SBC engine from 1966". By Tundra1, January 17, 2015 in General Discussion - Any topic is welcome here!!! reserved. In terms of pricing, both fuel additives have a pretty significant difference. were taken off, the mogas tank was topped off with 100LL, and the Using the product is the best solution for extending the service life of rubber components. 4/ Marvel Mystery Oil Vs Seafoam: Which Is Better? You guys are right of course about the lead debate dating much farther back. Check the compression. Suddenly the valve seats started to wear away again. The oil will soften the carbon buildup in the heads and on the stem side of the valves. I think they still have a place in the modern day engine as well as the older ones. However, Marvel Mystery oil stands out because it is cheaper than Seafoam and used for a variety of vehicles and equipment. 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. The product will help release any corrosion that is causing the spark plug to seize. It has everything it it your engine needs. When the Cub engines went down to idle speed in The main thing is:Drive your truck and enjoy it. Marvel mystery oil safe for modern engines? Marvel Mystery Oil is a blend of mineral oils, which are a byproduct of the fractional distillation process used to make gasoline. 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. Should one use a 5w-30 or 5w-40 if adding a quart or 20% of MMO to regular oil due to the Viscosity change. Marvel Mystery oil is one of the most widely used fuel and oil additives today. 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). either place it will be removed at oil change. on a high time engine; about half TBO or less should be the 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.

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