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#4515058 - 09/13/17 11:23 AM 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km
yugrus Offline


Registered: 04/06/04
Posts: 430
Loc: ON, Canada
Two samples from my Tahoe. In my infinite wisdom I forgot to write down what oil did I use for the latest OCI. I only use PP, Castrol Ti or Edge, and QSUD. This is not Castrol, as there's no Ti. Most likely QSUD, but the additives don't match the previous sample. Oh well... Maybe someone has better idea by looking at the ad pack.

In both cases the OLM was at 23%. The latest run involved 4,000km trip in a week, right before the oil change.

Both oils were boosted my LiquiMoly MoS2, about half a bottle.

Cu, as usual, is most likely from the oil cooler. AFM is tuned out, the engine does not use any measurable amount of oil in OCI. I also have double-stage catch can, in addition to improved latest and greatest driver-side valve cover.

I need to talk to WearCheck about the meaning of the numbers at the bottom, they look confusing to me.

Code:
Date	       5/28/2016	9/5/2017
Oil Km	       7300		9891
Unit Km	       69088		87118
Oil	       QSUD 5w30	  ???
			
Fe	       19		16
Cr	       1.1		0.8
Mn	       2.6		1.3
Ni	       0.3		0
Ti	       0		0
Ag	       0		0
Al	       4.4		4.3
Pb	       1.5		1.2
Cu	       54		47
Sn	       0.2		0.1
Sb	       1.1		1.4
V	       0		0
			
Si	       22		17
Na	       5.9		6.8
Ka	       1.4		1.3
			
B	       25		2
Ba	       0.1		0.2
Mo	       287		313
Mg	       501		26
Ca	       1125		1923
P	       578		627
Zn	       638		735
S	       1888		2320
Li	       0.1		0.2
			
Oxidation (PA)	61		73
Nitration (PA)	61		59
Sulfation (PA)	59		81
AntiWear	15.1		18.1
Infra-red Glycol0		0.1
Infra-red Water	23.6		27.6
IR (EP H2O)	82		119
IR (Synth BD1)	1.1		4.30
IR (Synth BD2)	0		0
Infra-red Fuel	234.90		216.4
IR (Gasoline)	0.00		0
IR (Other)	15.4		15.9
			
Visc @ 100C	10.1		10.6



What do you guys think?
_________________________
'14 Chevrolet Tahoe
'15 Mazda CX-5

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#4515112 - 09/13/17 12:17 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
Mathew_Boss Offline


Registered: 09/16/14
Posts: 158
Loc: Nebraska
Originally Posted By: yugrus
Two samples from my Tahoe. In my infinite wisdom I forgot to write down what oil did I use for the latest OCI. I only use PP, Castrol Ti or Edge, and QSUD. This is not Castrol, as there's no Ti. Most likely QSUD, but the additives don't match the previous sample. Oh well... Maybe someone has better idea by looking at the ad pack.

In both cases the OLM was at 23%. The latest run involved 4,000km trip in a week, right before the oil change.

Both oils were boosted my LiquiMoly MoS2, about half a bottle.

Cu, as usual, is most likely from the oil cooler. AFM is tuned out, the engine does not use any measurable amount of oil in OCI. I also have double-stage catch can, in addition to improved latest and greatest driver-side valve cover.

I need to talk to WearCheck about the meaning of the numbers at the bottom, they look confusing to me.

Code:
Date	       5/28/2016	9/5/2017
Oil Km	       7300		9891
Unit Km	       69088		87118
Oil	       QSUD 5w30	  ???
			
Fe	       19		16
Cr	       1.1		0.8
Mn	       2.6		1.3
Ni	       0.3		0
Ti	       0		0
Ag	       0		0
Al	       4.4		4.3
Pb	       1.5		1.2
Cu	       54		47
Sn	       0.2		0.1
Sb	       1.1		1.4
V	       0		0
			
Si	       22		17
Na	       5.9		6.8
Ka	       1.4		1.3
			
B	       25		2
Ba	       0.1		0.2
Mo	       287		313
Mg	       501		26
Ca	       1125		1923
P	       578		627
Zn	       638		735
S	       1888		2320
Li	       0.1		0.2
			
Oxidation (PA)	61		73
Nitration (PA)	61		59
Sulfation (PA)	59		81
AntiWear	15.1		18.1
Infra-red Glycol0		0.1
Infra-red Water	23.6		27.6
IR (EP H2O)	82		119
IR (Synth BD1)	1.1		4.30
IR (Synth BD2)	0		0
Infra-red Fuel	234.90		216.4
IR (Gasoline)	0.00		0
IR (Other)	15.4		15.9
			
Visc @ 100C	10.1		10.6



What do you guys think?


Pennzoil doesnt have that much Moly. Thats definitely QSUD

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#4515128 - 09/13/17 12:32 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
yugrus Offline


Registered: 04/06/04
Posts: 430
Loc: ON, Canada
I know, but I boosted the oil with Moly, as per above...
_________________________
'14 Chevrolet Tahoe
'15 Mazda CX-5

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#4515189 - 09/13/17 01:22 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11665
Loc: N.H, U.S.A.
QSUD doesnt have that much moly smile

What oil filter used? That's helpful.

How is your report compared to non treated Shell synthetics or the Castrol Magnatec darling of the year.

I'm running 10w30 QSUD. Good stuff but too thick for my Nissan 2.5L

I fixed it though smile
_________________________
2014 Nissan Rogue S CVT, OC#8 36109mi-MAGNATEC 5W30 + FRAM TG7317 Filter; 2017 Subaru Crosstrek CVT 4762mi-SOA 0w20 + SOA Filter

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#4515194 - 09/13/17 01:31 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
yugrus Offline


Registered: 04/06/04
Posts: 430
Loc: ON, Canada
Guys, please ignore Moly. As I said before, the oil has LM MoS2 additive in it!

The filter in both samples is Fram Ultra.


Edited by yugrus (09/13/17 01:32 PM)
_________________________
'14 Chevrolet Tahoe
'15 Mazda CX-5

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#4515284 - 09/13/17 03:05 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
69GTX Offline


Registered: 09/23/15
Posts: 3645
Loc: Connecticut
The current sample has essentially no Boron. So that probably isn't QSUD.

The earlier sample is tagged as QSUD but it's not that either. Calcium very low and magnesium very high. That looks more like a M1 5w-30. It certainly isn't PP or Castrol Edge either. It it were an old version of Castrol (pre-2016) then that would explain the Magnesium and low Calcium.
_________________________
----------------

2002 Lincoln Cont 4.6L DOHC/ 78K mi /PPlat 5w30/FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs

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#4515298 - 09/13/17 03:24 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
yugrus Offline


Registered: 04/06/04
Posts: 430
Loc: ON, Canada
Thanks GTX, you're right. Gee, I really need to get on top of what I'm doing there. The first sample could definitely have been M1 5w30 EP. I remember having two jugs... As for the second one- beats me. I only shop at Canadian Tire for oil and get what's on sale. There's pretty much no other choice between the brands mentioned....
_________________________
'14 Chevrolet Tahoe
'15 Mazda CX-5

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#4515527 - 09/13/17 07:50 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
Big Smoke Offline


Registered: 04/07/06
Posts: 133
Loc: Knoxville, TN
How long have you been using the LiquiMoly MoS2?
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2017 Dodge Charger Rallye
2015 Toyota Yaris 1.2L (Thailand)

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#4515547 - 09/13/17 08:11 PM Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus]
yugrus Offline


Registered: 04/06/04
Posts: 430
Loc: ON, Canada
For the last four OCIs. Two years or so. Got it at wholesale cost, thinking why not. Also using it in wife's Mazdz CX-5.
_________________________
'14 Chevrolet Tahoe
'15 Mazda CX-5

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