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Pros & Cons
pros
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pros
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Increases Viscosity
Customers have had positive experiences using Marvel MM14R Mystery Oil to increase viscosity in their machinery, reporting improved performance and significant cost savings from reduced friction. The gallon size is appreciated for its value and convenience.
Enhances Engine Performance
Customers highly praise Marvel MM14R Mystery Oil for enhancing engine performance by reducing friction, cleaning engine internals, improving fuel economy, and extending engine life. Some users also mentioned its effectiveness in eliminating noise and reducing oil consumption. However, a few customers noted that it is more expensive compared to similar additives.
Highlights
Quality
Oil lubricates and cools the engine, reducing friction.
Product has been used in my oil burning vw eos for 3 years per the instructions and has reduced the oil consumption by 150%.
After a 2 months & catching my mechanic lying about my turbo needing replacement it is hard to ascertain what made my engine go bad.
This is more of an internal lubricant than cleaner for the fuel system.
Price
Great price on the gallon size too.
Well worth the money, especially with the cheaper 1 gal vs the smaller quarts.
Couldn’t find locally at a good price.
Any reduction in friction equals a reduction in $$$$$$.
Packaging/appearance
Upon opening the bubble wrap, there existed some "leakage" inside that was captured by the excellent plastic bubble wrap.
Competitiveness
Currently running it in suzuki motorcycles/suv, polaris slingshot, datsuns, toyotas, hondas.
I've measured my fuel economy with and without multiple times and i consistently get about 3-4 mpg better economy with mmo whic... Read More
I know there are a few similar additives, but i've been using mmo for a long time and have had record mileage on my engines!
Overview
- How are reviewers describing this item?
great, clean, good, every and additive. - Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
- Our engine has determined that the review content quality is low.
- Our engine has analyzed and discovered that 72.5% of the reviews are reliable.
- This product had a total of 414 reviews as of our last analysis date on Nov 11 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
One thing that i have noticed is that an greatly increases viscosity as soon as you add it to any oil
Posted by a reviewer on Amazon
A little bit of smoking in landscaping equipment if you add a little too much
Posted by a reviewer on Amazon
Oldtimers swear by it so i thought i would try it
Posted by a reviewer on Amazon
It is correctly named 34mystery oil34
Posted by a reviewer on Amazon
This is more of an internal lubricant than cleaner for the fuel system
Posted by a reviewer on Amazon
I have an older mitsubishi suv
Posted by a reviewer on Amazon
Also mmo can be used in the oil
Posted by a reviewer on Amazon
These kinetic machines requires every part to move in synergy with other mechanical parts
Review Count History
Price History
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