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#3228083 - 12/26/13 08:28 AM Re: MoS2 testing - sound levels [Re: Clevy]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: Clevy
Organic moly and mos2 don't work the same way. Organic moly can only leave a layer 1 molecule thick which is quickly worn off at start up. Mos2 layers and once cooled becomes very hard so at start up the layer is more durable.


That certainly makes an argument in favor of MoS2 over organic moly - more durable start-up lubrication.

Sadly, start-up lubrication may be a pretty low priority to the oil / automotive industry. Most engines easily last 100k+ miles with nothing extra done for start-up lubrication. Beyond that, the oil companies/car makers/etc. simply don't care.
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#3228436 - 12/26/13 03:52 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
MrQuackers Online   content


Registered: 08/17/12
Posts: 1010
Loc: Oregon
LM2009 is $6.75 at my local Napa. Is there a cheaper source?
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#3228820 - 12/27/13 12:32 AM Re: MoS2 testing - sound levels [Re: Injured_Again]
147_Grain Offline


Registered: 03/11/13
Posts: 1282
Loc: USA
If you don't mind buying by the case, you can get the MoS2 for $5.70 per can (including delivery) from Amazon.

http://www.amazon.com/gp/offer-listing/B...ler=&sr=8-1

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#3228972 - 12/27/13 08:09 AM Re: MoS2 testing - sound levels [Re: 147_Grain]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: 147_Grain
If you don't mind buying by the case, you can get the MoS2 for $5.70 per can (including delivery) from Amazon.

http://www.amazon.com/gp/offer-listing/B...ler=&sr=8-1


That's a good price at Amazon and the shipping is free. But you have to buy 20 cans - total $114.06. You will have enough MoS2 to weather the zombie apocalypse.

DubNutz has it for $5.75 per can. Shipping for 8 was $10.
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#3229150 - 12/27/13 01:09 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
TurboJim Offline


Registered: 10/30/04
Posts: 829
Loc: Oregon
Discounts at some NAPA stores are available with you have AAA membership or are part of the NAPA Advantage program (which is free).

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#3229334 - 12/27/13 06:07 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
HTSS_TR Offline


Registered: 04/17/06
Posts: 12901
Loc: Irvine, CA
MoS2 was $4.xx at Napa couple years ago, $6.xx isn't bad because it is more expensive on eBay.
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#3229386 - 12/27/13 06:47 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
MrQuackers Online   content


Registered: 08/17/12
Posts: 1010
Loc: Oregon
If I am using Mobil 1 products will there be any benefit by adding this supplement?
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#3229546 - 12/27/13 09:13 PM Re: MoS2 testing - sound levels [Re: MrQuackers]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: MrQuackers
If I am using Mobil 1 products will there be any benefit by adding this supplement?

Mobil-1 already has about 85ppm of moly - probably soluble moly - in the mix, so someone at Mobil thought it was worthwhile: Mobil-1 Analysis.

A few messages above, in this same thread, Clevy opined...

Originally Posted By: Clevy
... <snip> Organic moly can only leave a layer 1 molecule thick which is quickly worn off at start up. Mos2 layers and once cooled becomes very hard so at start up the layer is more durable...

So, you should get better start-up lubrication with MoS2 in the soup.

Moly in any form reduces friction and heat. But, there already is some moly in Mobil-1, so adding more will not necessarily reduce friction more or reduce heat more. It might, but it might not.

If there's a chance of taking a bullet in your sump, then MoS2 might get you back home (or maybe back on the ground). MoS2 will probably do this better than soluble moly.
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#3229573 - 12/27/13 09:57 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
Nebroch Offline


Registered: 05/16/13
Posts: 143
Loc: Finland
I'm running with Mobil 3000 X1 5W-40 in those pictures, propably it doesn't matter too much what oil you use.

There is one exception though:

http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/en_1091.html?OpenDocument&land=DE

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#3229829 - 12/28/13 08:24 AM Re: MoS2 testing - sound levels [Re: Nebroch]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: Nebroch
I'm running with Mobil 3000 X1 5W-40 in those pictures, propably it doesn't matter too much what oil you use. There is one exception though:

http://www.liqui-moly.de/liquimoly/produktdb.nsf/id/en_1091.html?OpenDocument&land=DE

It may not matter too much, since many popular motor oils contain soluble moly. The German LiquiMoly folks are seriously into MoS2. Perhaps the largest consumer use of MoS2 was also sponsored by a German company - Volkswagen. Maybe they know something. Or maybe German consumers pay better attention to engineers.

As for the other oil companies, there are many reasons why an oil company might use or not use a particular additive in a mass marketed oil. MoS2 is a suspended solid and the settling properties might be an issue. Personally, I think it is the color - it makes the oil turn black and the public simply does not like the appearance!

Also from this thread...

Originally Posted By: Injured_Again
I also used Arco Graphite motor oil back in the early 80's. I remember my dad asking why I would put something that black into the crankcase. I went on and on about all of the supposed advantages, but never did get him to try it just from that perspective.
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#3229935 - 12/28/13 10:53 AM Re: MoS2 testing - sound levels [Re: dave5358]
Nebroch Offline


Registered: 05/16/13
Posts: 143
Loc: Finland
Originally Posted By: dave5358

As for the other oil companies, there are many reasons why an oil company might use or not use a particular additive in a mass marketed oil. MoS2 is a suspended solid and the settling properties might be an issue. Personally, I think it is the color - it makes the oil turn black and the public simply does not like the appearance!


Settling is a problem, and user should know it. The additive that I used was asked to be shaken well before adding it to a warm engine. And after applying engine should run for a while to distribute stuff evenly. Obiviously some would not follow these instructions, and blame the manufacturer for possible damages..

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#3229962 - 12/28/13 11:17 AM Re: MoS2 testing - sound levels [Re: Nebroch]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: Nebroch
Originally Posted By: dave5358

As for the other oil companies, there are many reasons why an oil company might use or not use a particular additive in a mass marketed oil. MoS2 is a suspended solid and the settling properties might be an issue. Personally, I think it is the color - it makes the oil turn black and the public simply does not like the appearance!


Settling is a problem, and user should know it. The additive that I used was asked to be shaken well before adding it to a warm engine. And after applying engine should run for a while to distribute stuff evenly. Obiviously some would not follow these instructions, and blame the manufacturer for possible damages.


I'm sure the Walmart shoppers would follow the instructions and shake well before using.
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#3230177 - 12/28/13 05:02 PM Re: MoS2 testing - sound levels [Re: dave5358]
Garak Offline


Registered: 12/05/09
Posts: 11339
Loc: Regina, Saskatchewan, Canada
Originally Posted By: dave5358
It may not matter too much, since many popular motor oils contain soluble moly. The German LiquiMoly folks are seriously into MoS2.

Except that their oils don't have that additive. wink
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#3230202 - 12/28/13 06:15 PM Re: MoS2 testing - sound levels [Re: Garak]
dave5358 Offline


Registered: 04/25/13
Posts: 621
Loc: North Bend
Originally Posted By: Garak
Originally Posted By: dave5358
...The German LiquiMoly folks are seriously into MoS2.

Except that their oils don't have that additive. wink

Don't have moly or don't have MoS2? Do you have some secret inside information on the LiquiMoly product line? Please share it with us.
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#3230280 - 12/28/13 08:05 PM Re: MoS2 testing - sound levels [Re: Injured_Again]
wrcsixeight Offline


Registered: 10/15/10
Posts: 1028
Loc: california
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