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Oils wothout Moly? #5209950 09/11/19 08:14 AM
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yowps3 Offline OP
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Theortically are there too many drawbacks of having 0 ppm molybdenum?
Does Moly have any disadvantages?

Re: Oils wothout Moly? [Re: yowps3] #5209968 09/11/19 08:25 AM
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Quattro Pete Offline
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https://www.bobistheoilguy.com/moly-basics/

Moly is typically used as anti-wear agent, but there are other anti-wear agents that may be used instead, such as titanium, boron, zinc. So, there is more than one way to skin the cat.


2002 530i   2015 Q5 3.0T   2018 Charger SRT
Re: Oils wothout Moly? [Re: yowps3] #5209983 09/11/19 08:50 AM
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burla Offline
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For the longest time Valvoline and Royal Purple didn't have moly, amoung a few others, but the uoa's did not suffer, especially with valvoline. But I cann tell first hand high moly is beneficial, many ticks have been killed with it, not only in high moly oils but additives as well.

Re: Oils wothout Moly? [Re: yowps3] #5210032 09/11/19 10:16 AM
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jbutch Offline
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Many HDEO have 0 moly and yet they have excellent uoas. Usually, like Quattro Pete said, there are other AW that acts similarly.

People seems to focus a lot on moly content, but an oil formulation has to be looked at as a whole and not focus on one of the many ingredients.

That being said, some researches came to conclusion that moly might help timing chain wear, but so does boron.


2015 Forester XT @ 104k km
Current fill: Pennzoil Euro LX 0w-30 with Fram Ultra XG7317
Re: Oils wothout Moly? [Re: yowps3] #5210054 09/11/19 10:40 AM
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aquariuscsm Offline
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Oils with high moly content are legendary for making engines smooth and quiet.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
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2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 0W20

Re: Oils wothout Moly? [Re: yowps3] #5210055 09/11/19 10:40 AM
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zeng Offline
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Moly works as a solid lubricant/AW that performs 2 main function :
a )To reduce Coefficient of Friction (in mixed and boundary lubrication regimes), hence enhancing fuel economy with reduced frictional heat generation , and
b )Enhance MOFT as a solid lubricant and/or AW.

It's sort of a 'requirement' in FE low viscosity CAFE oils like xW16 and xW20 etc , not so in mineral normal viscosity grades oils like 15W40 or 20W50.

Last edited by zeng; 09/11/19 10:42 AM.
Re: Oils wothout Moly? [Re: jbutch] #5210075 09/11/19 11:06 AM
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DGXR Offline
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Originally Posted by jbutch
Many HDEO have 0 moly and yet they have excellent uoas. Usually, like Quattro Pete said, there are other AW that acts similarly.

People seems to focus a lot on moly content, but an oil formulation has to be looked at as a whole and not focus on one of the many ingredients.

That being said, some researches came to conclusion that moly might help timing chain wear, but so does boron.

Exactly! This reminds me of all the threads that obsess over base oils, that one oil is better than another simply because of the base oil content. Ha. Each oil producer additive packages have many different chemical substances in different quantities, with the goal being a complete package (antiwear, low volatility, resistance to oxidation and shear and other breakdown, all that stuff). Zero moly means nothing because the performance of the finished lubricant product is what matters. Thank you jbutch.


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 Base SR5 AC
1999 Yamaha YZ400FL
2003 Honda XR400R
Re: Oils wothout Moly? [Re: yowps3] #5210100 09/11/19 11:26 AM
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Mad_Hatter Offline
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You can't conclude a lube is rubbish simply because it lacks moly. It just depends on how they balance everything (phos/zinc/film strength) synergistically, whether or not they choose to use moly. Some formulas might prefer boron for example, because it also contributes in other ways to the lube.

Last edited by Mad_Hatter; 09/11/19 11:26 AM.
Re: Oils wothout Moly? [Re: yowps3] #5210129 09/11/19 12:07 PM
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kschachn Offline
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Originally Posted by yowps3
Theortically are there too many drawbacks of having 0 ppm molybdenum?
Does Moly have any disadvantages?

So does Kixx oil have molybdenum or not? Which way are you going here?


1994 BMW 530i, 251K
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1999 Toyota Sienna, 430K
2000 Toyota ECHO, 284K
Re: Oils wothout Moly? [Re: kschachn] #5210175 09/11/19 01:21 PM
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Originally Posted by kschachn
Originally Posted by yowps3
Theortically are there too many drawbacks of having 0 ppm molybdenum?
Does Moly have any disadvantages?

So does Kixx oil have molybdenum or not? Which way are you going here?

👍

It is a strangely worded question, almost a loaded question.

Re: Oils wothout Moly? [Re: yowps3] #5210191 09/11/19 01:42 PM
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burla Offline
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The great thing is there are choices for both, if you don't want moly there are oils for you, if you want some moly there are oils for you and if you want a boat load of moly there are oils for you. Read the paper out there make a choice, done.

Re: Oils wothout Moly? [Re: yowps3] #5210224 09/11/19 02:14 PM
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Railrust Offline
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I think the biggest surprise to me was when Valvoline for years had almost zero moly, to making a dramatic change last year to having it. Wonder what caused that change?


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2007 Lexus LS460 (deceased)
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Re: Oils wothout Moly? [Re: Railrust] #5210238 09/11/19 02:22 PM
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Originally Posted by Railrust
I think the biggest surprise to me was when Valvoline for years had almost zero moly, to making a dramatic change last year to having it. Wonder what caused that change?

SN+, LSPI issue with high calcium and one known answer is to replace a lot of calcium with a little moly.


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Oils wothout Moly? [Re: PandaBear] #5210345 09/11/19 05:02 PM
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A_Harman Offline
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Originally Posted by PandaBear
Originally Posted by Railrust
I think the biggest surprise to me was when Valvoline for years had almost zero moly, to making a dramatic change last year to having it. Wonder what caused that change?

SN+, LSPI issue with high calcium and one known answer is to replace a lot of calcium with a little moly.


Valvoline going away from the 440 ppm Sodium additive pack was a bigger surprise to me.

Last edited by A_Harman; 09/11/19 05:02 PM.

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1985 Z51 Corvette track car 355/6-speed
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2001 Dodge Ram 2500 diesel/NV4500+GV
1972 GMC 1500 shortbed project truck 307/SM465
Re: Oils wothout Moly? [Re: kschachn] #5210503 09/11/19 08:07 PM
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SteveG4 Offline
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Originally Posted by kschachn
Originally Posted by yowps3
Theortically are there too many drawbacks of having 0 ppm molybdenum?
Does Moly have any disadvantages?

So does Kixx oil have molybdenum or not? Which way are you going here?

Mikey likes it!
Err... no, that's Kix.
crazy


Somewhere between Alaska and Wisconsin...
2006 Silverado LT Crew Cab 4WD & 2013 Equinox AWD
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