Marvel mystery oil in crankcase. Jul 15, 2009 · I've got a mid-1950s engine that had stuck piston rings, smoked like a mosquito truck. Jun 19, 2003 · If I was going to use an oil additive at all, I'd rather use something like LC. Nov 28, 2005 · Both Marvel Mystery oil & Rislone, in the yellow bottle, are commonly used for a lifter noise quick fix. Thanks! Mar 30, 2020 · I've used it a few times as a crankcase cleaner, it is pretty mild in that regard but it can help. Mar 30, 2021 · Marvel Mystery Oil in Crankcase Model A (1928-31) Jul 6, 2023 · When adding Marvel Mystery Oil to your crankcase, you’ll want to add one quart for every two quarts of oil already in the crankcase. MMO will soften hard carbon such as the carbon that builds on engine valves. . Works really well as a gun cleaner too. Marvel Mystery Oil can be used in a couple of different ways, but as an engine flush, the most common method is adding it to the crankcase before an oil change. I used Gold Eagle with OK results, some time ago, it won't hurt anything. May 26, 2016 · Alright ladies and gents. The maximum amount of MMO to be used is 25% of crankcase capacity. 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. It's a solvent/lubricant it works well cleaning things like the main bearing tubes. In summary, leaving Marvel Mystery Oil in the crankcase until your next scheduled oil change is the recommended practice. Should I change the oil now? Thanks. My 2009 Sierra has the infamous tick. The only time I saw sluge issues was in engines where someone removed the thermostat or the thermostat was stuck open. ADDED TO ENGINE OIL:Use Marvel Mystery Oil or Marvel Ultimate Oil in the crankcase to enhance oil lubrication and sludge control. Seems to quiet down in warmer temps. Jan 10, 2025 · Discover the purpose, benefits, and potential issues of Marvel Mystery Oil in your engine. Crud just melts off with it. No more smoking, no more stuck rings, almost immediately. As far as flushes go, he's right, just follow instructions. By adhering to this guideline, you can ensure that your engine remains clean and well-lubricated, ultimately enhancing its performance and longevity. *Usually* this involves doing it right before an oil change, dump the flush into the crankcase with the old oil and IDLE it for ~5 mins. I've been reading a lot about Marvel Mystery Oil being added to the crankcase and used as an extra lubricant. Had a couple vehicles that I got caught with summer oil in the crank when it turned cold, some MMO made a dramatic difference in cold starting until I was able to get it changed out. Q: Can you use MMO to replace all regular oil? A: No, you cannot use MMO to replace all the oil in the crankcase. Jan 12, 2023 · Back when these cars were new, some well known and respected oil brands used too much paraffin wax in there oil and it would build up when running an engine too cold. Learn how to detect it and remove safely. I added Marvel to the crankcase oil, to the gas, and down the spark plug holes. At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil or Marvel Ultimate Oil. For example, if your car has four quarts of oil in the crankcase, you would add two quarts of Marvel Mystery Oil. I want to know your personal opinion on this stuff. It worked great. But then no one ever listens to me. Mar 27, 2021 · Has anyone been using Mystery Oil in the crankcase? I'm pretty firm on no oil additives ever. sqxywqx tsikb wflr jteitinu vwqvdix fqehtr awkkacm bhamjf pqq eca