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Old 11-26-2010, 03:50 AM   #1
mwayne5
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Default Marvel Mystery Oil users...

Hey, I was reading up on MMO and I'm thinking of adding it to my car (Auto '97 SC1). How do I go about adding it? Should I add it a few hundred miles before my next oil change, or can I add it whenever? Also, how much do you guys put in when you add it?

Thanks
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Old 11-26-2010, 08:17 AM   #2
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Default Re: Marvel Mystery Oil users...

When I've used MMO so far, I've either added a full quart at oil-change-time or added it as-needed to top off the system instead of my usual 5W30 (knowing that my car consumes oil at ~1100 mi per quart, I'll go through the full quart of MMO long before the next change.

Will try doing an MMO soak at some point. Probably in the spring.

Best,
daVo
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Old 11-26-2010, 10:20 AM   #3
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Default Re: Marvel Mystery Oil users...

Here're the instructions for the pistol soak that DAVO mentioned above:

http://www.saturnfans.com/forums/showthread.php?t=80118



Also like DAVO said, I will sometimes top off my oil with MMO a couple hundred miles before my next oil change. I think the official amount you can add is up to 20% of total oil capacity. You can also add MMO to your fuel at I think 4oz per 10 gallons, but check the bottle.
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Old 11-26-2010, 12:01 PM   #4
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Default Re: Marvel Mystery Oil users...

In addition to that thread ^ ^ ^ read this one:
http://www.saturnfans.com/forums/sho...urn+head+clean

I just searched for the procedure for the piston soak the other day, doing my second one. The first thread has great pictures, but does not (that I could remember) mention turning the engine so that the pistons are roughly midway in their travel.

Not sure if either thread mentions it, but someone recommended (after pulling the PCM-B fuse) adding the MMO to a warm engine, and taking the engine through at least one full rotation with MMO in the cylinders, before setting it to the mid point.
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Old 11-26-2010, 05:38 PM   #5
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Default Re: Marvel Mystery Oil users...

=\ I wish I could do this. Mechanical work at my apartment complex is considered a lease violation with a pretty nice fine attached if I get caught and oil changes aren't that easy to hide. I may be able to get away with adding the MMO to the spark plug wells and the crankcase since it isn't as messy or as noticeable as an oil change. I could also change my spark plugs at this time too.

If I go ahead and do this, would it be safe to drive the 3 or so miles to the shop after the piston soak to get the oil changed with all that gunk floating around?
...
1997 SC1 Autotragic. Donated with 116,175 miles, bought with 68,000 miles.
Black w/ gold flake.

The basics:
http://www.saturnfans.com/forums/showthread.php?t=163654

Last edited by mwayne5; 11-26-2010 at 05:46 PM.
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Old 11-26-2010, 09:17 PM   #6
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Default Re: Marvel Mystery Oil users...

It should be all right. Make sure you spin the engine over to ensure the MMO is out of the cylinders before you reinstall your plugs. Remember that fluid between the piston and plug will not compress...
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