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LIQUI MOLY MoS2 Anti-Friction Engine Treatment, 300 mL $5.99

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Features & details:

Motor oil additive - Liqui Moly MoS2 anti-friction (300 ml. Can)

Forms High load-bearing film of lubricant on all friction surfaces

You will be surprised at how much better your engine sounds and how controlled it will be even at very high RPM

Use in 4-stroke gas and diesel engines, with or without turbochargers. Miscible with most commercially available motor oils. Safe for use with catalytic converters and particulate filters (GPF / DPF). Not suitable for the use with wet clutches! One can treats up to 6 liters (1.5 gal.) of oil. Minimum oil filling of 3 liters (0.8 gal.) is requested for optimum product performance.

https://shop.advanceautoparts.com...qui%20moly
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Created 05-22-2020 at 09:32 PM by Ferrari72
in Auto Parts & Supplies (7)
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Joined Dec 2013
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#31
These kind of additives have very specific use cases where they're beneficial, otherwise I would say to skip them. I have a BMW M3, and engine bearing wear is a known item. Essentially it becomes a 100k maintenance item on my E46, while E60 M5 and E90 M3s at 60k miles for many (typically $2500-5000 depending on where you have it done, or DIY). Liquimoly MOS2 and/or Ceratec are two of the only additives that people will consider on it, even with the liquid gold oil 10w60 oil that we have to use. I can't say for certain if it's helped on my engine, but I get oil analysis done and it hasn't necessarily improved the metals that show up since I started using it ~50k miles, now at 90k miles, and based on last analysis likely due for engine bearing replacement soon.
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#32
Quote from Core2Quad
:
I think the Liqui moly ceramic or whatever its called actually does a little something. This one not so much.
Similar but not same product. This is from Liqui Moly:

"Cera Tec was developed with / for modern engines and is perfectly suited for extended oil drain intervals (more than 10K miles) and the hot oil temperatures in modern turbo charged engines. It´s a combination of a chemical anti-wear agent and a solid lubricant for extra friction reduction. Further the solid lubricant in it (Bornitrid) is more adhesive to the aluminium alloy surfaces of modern engines.

MoS2 is better suited for the use for older engines made of gray cast iron, it is much more adhesive on this material. Further the amount of solid particles in our MoS2 Oil Treatment additive is much higher than the amount of Bornitrid in Cera Tec - which has a positive effect for older engines with more wear and tear and larger component tolerances inside. MoS2 Oil Treatment contains no chemical active substance such as Cera Tec does so we can also recommend to use it in antique and classic vehicles.

MoS2 Oil Treatment is not the first choice for extended oil drain intervals (more than approx. 10K miles) because any solid lubricant is subject to wear and Bornitrid lasts longer in comparison to MoS2.

Best regards,
your LIQUI MOLY-team"
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Last edited by Ferrari72 May 23, 2020 at 08:32 AM.
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Joined Jun 2008
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#33
Is this a good substitute for a Skyactiv-G engine from Mazda? Their genuine engine oil supposedly have "moly" in it..
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Joined Nov 2017
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#34
Quote from thesandman
:
Almost every car and generator manual I've read specifically recommends against engine oil additives. I put these additives in the catagory of snake oil. Save your money and buy the best oil recommended for your engine (usually it's synthetic oil)
One reason some oils are better than others are the additives in them, including things like molybdenum (the moly in LiquiMoly). I don't know you think this would be snake oil, whole motor oil with the same additives already in it wouldn't be.

You should probably skip the extra step and just buy better oil from the start, but it's not exactly snake oil.
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#35
Quote from hizzledizzle
:
One reason some oils are better than others are the additives in them, including things like molybdenum (the moly in LiquiMoly). I don't know you think this would be snake oil, whole motor oil with the same additives already in it wouldn't be.

You should probably skip the extra step and just buy better oil from the start, but it's not exactly snake oil.
Often times lubricant additives/supplements are referred to as snake oil since the performance (not physical mixing compatibility) impact on the original fully formulated oil, that has been tested using industry standardized tests and practices, is unknown and could be detrimental. It would be too expensive to prove there is no negative effect on the engine with all the different oil formulations that are used by the different oil marketers. Liquid oil soluble MoS2 compounds can have a benefit when used in the right balanced oil formulation. It is a known friction reduction additive and under certain conditions can improve fuel economy and possibly help prevent wear of some parts. There may be a small number of engine builders that use DLC (diamond like carbon) coatings with possible incompatibility.
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#36
Quote from apathyduck
:
The VQs are all known to consume oil, pretty standard to have to add a little between but a quart every 600 miles is crazy. FWIW Castrol 10w-30 GTX HM really cuts down on consumption in the G35s. It has shown excellent results in oil analysis testing as well. You might try that if you haven't already.
Yup, had this car for over 10 years now. It's my little brother's now, but yeah using 10w30 helps, but I found it to be redundant if I use it with the oil thickening additive. It'll still burn with 10w30 alone albeit at a slower rate.
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#37
This stuff isn't snake oil. It decreases friction in the engine. My old 2006 Pathfinder knocked a lot in the winter. Adding this to my winter oil changes stopped that. I'm not a mechanic, but I did a lot of research before putting anything into my crankcase. This is a great price
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#38
Quote from thesandman
:
Almost every car and generator manual I've read specifically recommends against engine oil additives. I put these additives in the catagory of snake oil. Save your money and buy the best oil recommended for your engine (usually it's synthetic oil)
Mazda's high-compression 14:1 engine benefits from this. Mazda's OEM oil actually has moly premixed in:
https://www.amazon.com/MAZDA-FULL...B00C7Y2AAK

I can feel the difference in my 2016 CX-5, especially cold start in Minnesota winter, much smoother with the Liqui Moly. I mix in one can every oil change.

I have two CX-5 so the 12-pack on eBay is cheaper:
https://www.ebay.com/itm/Set-of-1...3960946598
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#39
Quote from ShIzNiTs
:
Will this help with burning oil on my audi 2.0T q5 similar to this product?

https://www.amazon.com/gp/product/B00CGRX6RE/
DONT use that shit. i have the 2.0t, I rather add oil every few thousand miles than add that shit to my engine.
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#40
Quote from sillyxone
:
Mazda's high-compression 14:1 engine benefits from this. Mazda's OEM oil actually has moly premixed in:
https://www.amazon.com/MAZDA-FULL...B00C7Y2AAK [amazon.com]

I can feel the difference in my 2016 CX-5, especially cold start in Minnesota winter, much smoother with the Liqui Moly. I mix in one can every oil change.

I have two CX-5 so the 12-pack on eBay is cheaper:
https://www.ebay.com/itm/Set-of-1...3960946598 [ebay.com]
Just because Mazda may use oil that has moly in it, in fact it is common for Japanese OEM oils, does not mean it is necessarily a good thing to add it to a fully formulated oil that has been optimized to meet the claimed specifications (API, ILSAC, and/or specific OEM) that have defined testing protocols. If you really want moly in your oil, buy oil that already has it. FYI, not all moly is the same. Oils with relatively low levels, maybe 100 ppm Mo or less, indicate it is likely an anti-oxidant and oils with higher level, 500 ppm or higher, indicate it is primarily a friction modifier.
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#41
Quote from texst
:
My LR dealership sells zMAX, so...
If LR means Land Rover, then that's not saying much since they are consistently one of the worst car brands in terms of reliability.
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#42
Quote from an_azn
:
I doubt that makes that much of a difference at all.. Especially if you have good quality full synthetic oil, a good filter and you're on time with your oil changes.. If you're burning oil.. Then anything that'll thicken the oil will give temporary relief to that.. Like those bigger bottles of Lucas oil additive. From experience, I've had to add on after each oil change and that has kept my older 2003 infiniti G35 from burning oil. Used to go through a quart of oil every 600 miles or so. Oh, also using a heavier oil will help too.
I had the same problem when I had the G35 (manual transmission) I did research and there was a big lawsuit with Nisan. Long story short I also got a lawyer, Nisan replaced the engine and after 5000 miles the issues continued. So I just sold the car.
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#43
My car engine noise going up dramatically, will this fix the problem?

Thank you!
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Last edited by erictom May 24, 2020 at 10:03 AM.
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#44
Quote from HunterOne
:
If one trades in the car every 3 or 5 or even 7 years using ANY oil additive is a waste of $$$.
They'll be of benefit to the next owner(s).
Just do the recommended oil changes.
BUT, if you are going to keep your car for a long time using these Liqui oil addtives as early as possible will help a lot with engine durability, along with the recommended oil and other fluid changes.
Of course, driving gently and not revving the engine will help even more.
If you really care and wish to see how your engine is wearing in you may want to consider doing a Used Engine Oil Analysis once a year or every couple of years using Blackstone Labs or other engine oil testing labs.

https://www.blackstone-labs.com/?session-id=4konovqr0vgtkovfrrdg3p55&timeout=20&bslauth&urlbase=http... [blackstone-labs.com]
My car's vacuum pump leaks oil onto the belly pan, can be fixed with additive?

maybe because of washer or gasket

Thank you.
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#45
You need to go little deeper....

Some vehicles need valve adjustment at certain mileage, see if its applicable to you car.
Please research specific forum for your car.


Quote from erictom
:
My car engine noise going up dramatically, will this fix the problem?

Thank you!
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