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bigdog · 01-29-2023, 04:09 PM

Nothing to do with Scions' but oil being used.

Back in the days I was in the military, we use to add 'Marvel Mystery Oil' to all gasoline engine vehicles at oil changes. The Govt use to buy MMO in 55 gal drums.

Totally not sure what's in this stuff, but been adding to oil and gas for year.
Engines seem to run smoother and quiet, and so far no problems.
I also add a little to my 5 gal gas container I use, for filling up snow-blower, lawnmower, chain saws, etc

People seem to swear by this product.

01-29-2023, 04:09 PM	#11
bigdog Senior Member Join Date: Apr 2006 Location: Central MA-Gilford Posts: 1,411 Thanks: 308 Thanked 117 Times in 94 Posts	Oil & Additives Nothing to do with Scions' but oil being used. Back in the days I was in the military, we use to add 'Marvel Mystery Oil' to all gasoline engine vehicles at oil changes. The Govt use to buy MMO in 55 gal drums. Totally not sure what's in this stuff, but been adding to oil and gas for year. Engines seem to run smoother and quiet, and so far no problems. I also add a little to my 5 gal gas container I use, for filling up snow-blower, lawnmower, chain saws, etc People seem to swear by this product.