From: clare@snyder.on.ca   
      
   On Thu, 9 Oct 2025 21:12:34 -0500, Snag  wrote:   
      
   >On 10/9/2025 8:22 PM, Clare Snyder wrote:   
   >> On Wed, 1 Oct 2025 16:06:08 -0700, Bob La Londe    
   >> wrote:   
   >>   
   >>> On 9/30/2025 10:51 AM, Bob La Londe wrote:   
   >>>> Good Soak For Rings In an Engine That's Been Sitting A Long Time???   
   >>>>   
   >>>> When I was a kid everybody said to dump a table spoon of Marvel Mystery   
   >>>> Oil down each spark plug hole amd let it set for a few days to reduce   
   >>>> the risk of cracking a ring when you start trying to move the engine.   
   >>>>   
   >>>>   From what I've heard and read they changed the formula of the snake oil   
   >>>> and is not so good anymore. I don't know.   
   >>>>   
   >>>> Yesterday I heard a new one. Dump a mix of ATF and acetone in, and put   
   >>>> the spark plug back so the acetone will force the ATF through the rings   
   >>>> with pressure as it turns to vapor. I've never heard that one before. I   
   >>>> have some reservations.   
   >>>>   
   >>>> I've got a 42 GPW (that was my dads) Jeep with a newer M38 Jeep engine   
   >>>> that eventually I'd like to sell. Its been parked for 40 years so there   
   >>>> will certainly be some tendency for the rings to stick. I'd prefer to   
   >>>> sell as is and let somebody more expert than me deal with it, but I see   
   >>>> no reason not to do little things to help that happen as time permits.   
   >>>> Eventually being able to get compression on all cylinders might help...   
   >>>> unless its bad of course.   
   >>>>   
   >>>> Anyway I'd like to hear what you guys know or have heard about soaking   
   >>>> the rings in a sitting engine before trying to turn it over.   
   >>>>   
   >>>>   
   >>>>   
   >>>   
   >>> Acetone and ATF were by and large the biggest agent suggested with   
   >>> Marvel Mystery Oil being a close second.  This doesn't mean Mystery Oil   
   >>> is still good.  Nearly all of those who said they used it admitted they   
   >>> have an old can that may not be the same as the new stuff.   
   >>>   
   >>> Looks like acetone and ATF are the new shade tree mechanic approved   
   >>> concoction.  I have Acetone and ATF on the shelf.  I don't have any   
   >>> Marvel Mystery Oil.   
   >>>   
   >>>   
   >>>   
   >>>   
   >>>   
   >>> --   
   >>> Bob La Londe   
   >>> CNC Molds N Stuff   
   >>   I still use MMO and have current stock - seams to be the same as what   
   >> I used 40 and 50 years ago.   
   >>   
   >   
   >   Have you compared the ingredient list - or msds- between Canadian and   
   >USA formulations ? A lot of consumer chemicals have been californicated   
   >in the last few years ... and not for the betterment of the product .   
    I have both Canadian and American - was quite some time we could not   
   buy it here because it didn't have french labels - they are the same -   
   and the American stuff is about 10 years old   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)