Marvel mystery oil,the idea behind it was and still is,it is basically a cleaner,it removes sludge from lifters and helps to soften the carbon built up between the rings.We used to use a quart of ATF …

"Marvel Mystery Oil" works in the sense that it is a light upper cylinder lubricant, often called a "top oil". Mostly a superfluous item on today's modern engines. It was probably somewhat high …

Regarding Marvel Mystery Oil... It's NOT at all like "STP" or "Engine Honey." It's very thin, and can be used either as a fuel or oil additive. The reason I use it in fuel during break-ins is …

Marvel Mystery Oil is an upper cylinder lubricant, there is nothing "mysterious" about it. The use of UCL is perfectly logical and good as a preventative measure. I'm not sure modern engine …

As for the oil, I like to add a quart of Marvel mystery oil (don't over-fill) to the old stuff and drive it around for a couple days before draining it. The MMO is cheap, seems to loosen stuff up and …

In addition, the tips of the fuel injectors need to be kept clean. Any "baked on deposits" will alter the spray pattern on the injector. The fuel today is "dry" in terms of a lubricant. As I have …

Mar 17, 2012 · marvel mystery oil fuel injector cleaner Home › Forums › Stay Dirty Lounge › General Discussion › marvel mystery oil fuel injector cleaner › marvel mystery oil fuel injector …

Oct 18, 2013 · Marvel Mystery Oil use? Home › Forums › Stay Dirty Lounge › Maintenance Forums › Marvel Mystery Oil use? This topic has 10 replies, 8 voices, and was last updated 9 …

Marvel Mystery Oil works best for that purpose, but you have to remember that sometimes the sludge is better left alone if it isn't causing a problem. If you disturb it and flush it into the …

Just imagine filtering engine oil to hydraulic oil standards! By-pass systems are also offered by companies such as Amsoil, TripleRRR filters, and Kleenoil. These systems are also great for …