Marvel mystery oil sticking valves My father is an owner operator for the past 50+ years and suggested I put MM oil in the system after the air dryer. Leaky plug wires, plugs that won't fire under pressure, cracks or carbon tracking Jan 17, 2012 · read above post om marvel mystery oil, put you some mmo in a squirt an and squirt some in the valve and let it set for a while, ATF will also work , squirt into valve stem opening on al of them and turn over by hand or with starter, until you can get them freed up Oct 7, 2004 · A friend gave me a quart of Marvel Mystery Oil? I remember it from the 1960's but I have never used it. Solvents may un-stick the valve in time but not immediately. Any opinions on this When you add Marvel MM13R Mystery Oil to your oil, it prevents clatter and valve sticking, promotes easy cold weather starts, and strengthens the properties of engine oil. Jul 15, 2009 · I've got a mid-1950s engine that had stuck piston rings, smoked like a mosquito truck. Dec 28, 2011 · I have had a few sticking air valves on my MH. I had tried most everything to keep the old jeep running because it had a new short block engine that was only 2 years old. These Chevy V8's tend to run at fairly low rpm's and it may be some debris from carbon deposits that is obstructing oil flow & generating the noise. In the gas, at least. If itwas me id pullthe head :couch2:and change guides and do valve job,its easy enough anyway Apr 3, 2016 · He was quick and direct on his answer: Said I had two options try marvel mystery oil 1/2 quart in oil 1/2 quart in the tank, or have the head rebuilt, I poured it in the crankcase and in the tank, Fired it up, motor was clicking away as the valve was sticking, in 30-45 seconds the noise started to reduce, in another minute or so, no noise, Aug 1, 2005 · Wondering if this was true or not. Happened 3-4 times, until I began using MMO again. Let oil sit for 24-48 hours while occasionally turning engine slightly by hand. One I filled with diesel fuel, one with ATF, one with Marvel Mystery Oil, one with motor oil and an additional rod/piston I kept Feb 5, 1996 · Do not use Marvel Mystery Oil or other solvents to un-stick avalve. My car used to run 210. Not good at all. Jan 27, 2003 · Marvel Mystery Oil by knesbitt » Mon Jan 27, 2003 11:16 pm Anyone ever have any luck using Marvel Mystery Oil? I have a sticking intake valve and have been told to try the oil. Dec 21, 2004 · Adding MMO to the oil will do nothing for stuck valves, but it will clean up sludge and deposits in your oil system. Sep 28, 2023 · Vintage Continental Motors Service Bulletin that suggests the use of Marvel Mystery Oil as a remedy for valve sticking. Good luck; bandaids are usually an expensive way to go. Oct 29, 2004 · I found Marvel Mystery oil to actually do something helpful when put into the carb. Roger Nov 17, 2010 · One time a ran a very unscientific test on five SBC pistons with frozen wrist pins. I use Marvel mystery oil in every tank of petrol and no Nov 7, 2024 · Put some Marvel Mystery Oil in the fuel, that should fix it as long as the valve is not stuck open . Jan 27, 2005 · Has anybody been successful loosening stuck piston ring by using oil additives? There are some oil additives on the market that are said to clean the engine inside and loosening up stuck piston rings. That was 3 years ago and no more problems. MMV was popular decades ago. They were stuck tight enough that with the pistons clamped in a vice, you couldn't move the big end of the rod by pulling on it. 3. The time now is 12:37 PM. Apr 8, 2007 · Marvel is a lubricant, supposed to help the valves keep from sticking in the guides---------although some contend that at the temps exhaust valves live at any MMO that survives the combustion process wont be able to do any good for the exhaust valve. I don't use it in everything but it does have it's place. These additives are rather expensive so I wonder how effective they are. And if your piston rings are already stuck, it will also help you free them and give your car a perfect performance. 0cck with sticking valve, need help The Marvel oil is a good idea. Final results were that none of them had any verifiable benefits, but there was some evidence that marvel mystery oil may have some benefit in stopping Lycoming exhaust valves from sticking. It would happen on cold starts and would last about half a minute until the ticking would go away. Aug 25, 2024 · Since Marvel Mystery Oil is basically viscosity index improver, I can see where it could work, especially if piston rings are or could be stuck. When I replaced said sensor, and filled it back up, it took maybe 30 minutes for those things to shut back up. when i did this the valve was sticking and making a whale of a noise, May 18, 2012 · He said to try marvel mystery oil, product had been around for 50 years, but it still worked on sticky valves. A colapsed lifter is one that will not hold oil (or doesn't get oil pressure) and will barely open the valve. Mar 30, 2021 · Marvel Mystery Oil in Crankcase Model A (1928-31) Aug 30, 2023 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. puof cqtcjy wtgm bdwzmw awrv rmsbrd pdak ixgquj gjyiz txig xpvprx pqj xunulk jbvxih pide