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#2473547 - 12/26/11 09:07 PM Liqui Moly Mos2 additive.
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
Hi.
I just installed Liqui Moly Mos2 engine oil additive in my Hyundai Elantra.Very happy with the results.
Someone has told me Mos2 additive can create 'Sulfuric acid' .
Is this true? How long i can left Mos2 additive in my engine? I am planing to do 1year/15000km oil change with castrol edge 5w-30 ACEA C3,API SN rated engine oil.
Thanks in advance.
Bob.
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Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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#2473562 - 12/26/11 09:19 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
JHZR2 Offline



Registered: 12/14/02
Posts: 38279
Loc: New Jersey
really the only way to see is if you have abnormal TBN loss via UOA testing. It would be specific to your driving style and profile.

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#2473645 - 12/26/11 10:42 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
chubbs1 Offline


Registered: 06/09/10
Posts: 4574
Loc: Merritt Island FL, USA
+1

stylin' and profilin'.
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#2473651 - 12/26/11 10:51 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
panthermike Offline


Registered: 04/01/08
Posts: 3263
Loc: Phoenix, AZ
All UOA's i've seen with Mos2 seem to have normal TBN numbers, but as mentioned above, testing your specific vehicle is the best idea.
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#2473745 - 12/27/11 02:55 AM Re: Liqui Moly Mos2 additive. [Re: toyota62]
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
if i shorten the oil change interval in to 6months would that be ok?
_________________________
Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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#2473769 - 12/27/11 06:01 AM Re: Liqui Moly Mos2 additive. [Re: toyota62]
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
Dear Mr. Bob,

thank you very much for contacting us and your interest in our LIQUI MOLY
products.

MoS2 is a solid lubricant that creates no sulfid acids. There is absolutely
no problem to do oil range intervalls of 12 months / 15.000 km with MoS2 in
the engine oil.

We hope we could help you with our informations. Should you have further
questions regarding our products we would be very pleased to get contacted
from you again.


Best Regards

i. A.

Steffen Niemietz
Anwendungstechniker
application engineer
_________________________
Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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#2473770 - 12/27/11 06:01 AM Re: Liqui Moly Mos2 additive. [Re: toyota62]
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
Sweet...........
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Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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#2474025 - 12/27/11 11:28 AM Re: Liqui Moly Mos2 additive. [Re: toyota62]
panthermike Offline


Registered: 04/01/08
Posts: 3263
Loc: Phoenix, AZ
Well there you go. As I mentioned before, I've never seen a significant TBN drop with Mos2. I run Mos2 in all of the cars at my normal OCI's.
_________________________
'16 Ram Sport 1500;PP 5w20 2K
'15 Lincoln MKC; MC 5w30 24K
'77 F250 "Ol Yeller"; Kendall/Mos2
'98 ES300; ML/Biotech 206K

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#2474395 - 12/27/11 05:15 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
Hi Panthermike.
You were spot on.
_________________________
Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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#2474889 - 12/27/11 11:45 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
mechtech2 Offline


Registered: 09/05/06
Posts: 19479
Loc: Chicago Area
Also remember that Lubo Moly has significant boron in it.

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#2474904 - 12/28/11 12:33 AM Re: Liqui Moly Mos2 additive. [Re: panthermike]
HTSS_TR Offline


Registered: 04/17/06
Posts: 19090
Loc: Lake Forest, CA
Originally Posted By: panthermike
Well there you go. As I mentioned before, I've never seen a significant TBN drop with Mos2. I run Mos2 in all of the cars at my normal OCI's.

If I don't have more than 6-7 pints VSOT(Valvoline Synpower Oil Treament) I would use MOS2 in all my cars too.
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#2490774 - 01/11/12 10:36 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
morris Offline


Registered: 08/24/08
Posts: 3681
Loc: ks, wichita
the 'Sulfuric acid' cant be made if there is no water in the oil, most acids are water based. if the vent system works right you should not have much water in the engine. course you still have to change oil on time.

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#2491588 - 01/12/12 06:09 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
k24a4 Offline


Registered: 11/12/09
Posts: 747
Loc: MA
here is a uoa I did last Fall with 1 can MOS2 added to 4.5 qts PYB 5w-20 and the TBN was 4.7 after 6200 miles:

http://www.bobistheoilguy.com/forums/ubb...032#Post2397032
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#2491639 - 01/12/12 06:51 PM Re: Liqui Moly Mos2 additive. [Re: toyota62]
zyxelenator Offline


Registered: 01/24/11
Posts: 1340
Loc: Louisville,KY
Here is mine http://www.bobistheoilguy.com/forums/ubb...317#Post2425317
Not the best, but car had engine poped open prior that OCI, valve cover gaskets changed, sludge cleaned from top end,Kreen piston soak.
That Oci had Maxlife + Delvac top offs and AutoRX added+MoS2.
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99 Camry V6, 5 speed M/T
148k miles.Current fill:5w-30 G-oil,OVERSIZE P1, some Kreen and Ceratec added.
Lubro Moly 75w90 synthetic hypoid oil,with Moly

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#2493024 - 01/14/12 04:40 AM Re: Liqui Moly Mos2 additive. [Re: toyota62]
toyota62 Offline


Registered: 09/24/05
Posts: 887
Loc: Australia
_________________________
Bob.
AIAME
2012 Rav4 Mobil1 EP 0w-20
2016 c250 diesel Mobil1 0w-40

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