<div dir="ltr">We used to make a cocktail of MMO, Acetone, and automatic trans fluid (??? could be in place of MMO) that we would pour into the old stuck engines that we came across....<div><br></div><div>I think there were some other lubricants/solvents in there as well :) but I can't remember. I remember one where I hung a cinder block from a cheater pipe on the crank while it worked it's marvel magic. About a month later the crank moved and the block was resting on the floor. It did run, but not well. But was much easier to tear down vs stuck engine. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Nov 10, 2023 at 10:28 PM Don Hiscock <<a href="mailto:don.hiscock@gmail.com">don.hiscock@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small">My automotives prof at university in the late 1970s called all those things "gas house drip". I've always liked that descriptive term. It's probably pretty accurate, too.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I can't imagine that there's any significant difference between any of those products for what you're trying to do, Sujit. I'd guess than any non-drying oil would probably work. (For long-term storage of my engines I've usually used a good shot of SAE-30 in the spark plug holes -- enough to fully wet the perimeter of each piston so the rings get fully wetted. If you can turn the engine, it would probably be good to move the valves for a different combination of open and closed across the cylinders, so the ones open to moisture have a chance to be kept free and cycle another set of cylinders open to ambient.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Nov 10, 2023 at 2:13 PM Jeff Scarbrough <<a href="mailto:fishplate@gmail.com" target="_blank">fishplate@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">That looks like the stuff, although my supply is so old that it's in a<br>
metal can. Might qualify as an antique by now.<br>
<br>
It has a distinctive smell, which I find particularly pleasing. What<br>
the mystery is is indeterminate, but it won't do any harm to put some<br>
in the cylinders and let it soak before you turn it over. Don't use<br>
too much if you plan to try and crank it up.<br>
<br>
<br>
On Wed, Nov 8, 2023 at 11:52 PM Sujit Roy <<a href="mailto:triumphstag@gmail.com" target="_blank">triumphstag@gmail.com</a>> wrote:<br>
><br>
> I have a Stag engine here in the USA and folks have said to pour this stuff into each cylinder.<br>
> I went on their website and they have a few products.<br>
> Do I get his one and how much do I pour done each cylinder?<br>
><br>
> <a href="https://marvelmysteryoil.com/collections/recreational/products/marvel-mystery-oil" rel="noreferrer" target="_blank">https://marvelmysteryoil.com/collections/recreational/products/marvel-mystery-oil</a><br>
><br>
> The engine has been sitting idle for many years, I have not tried to turn it over.<br>
><br>
> Regards, Sujit<br>
><br>
> --<br>
> Sujit Roy<br>
> Cupertino, California<br>
><br>
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