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2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km #4515058
09/13/17 10:23 AM
09/13/17 10:23 AM
Joined: Apr 2004
Posts: 441
ON, Canada
yugrus Offline OP
yugrus  Offline OP
Joined: Apr 2004
Posts: 441
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
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515112
09/13/17 11:17 AM
09/13/17 11:17 AM
Joined: Sep 2014
Posts: 185
Nebraska
Mathew_Boss Offline
Mathew_Boss  Offline
Joined: Sep 2014
Posts: 185
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


125k Mile 11 Dodge Durango 5.7L Hemi PP HM or QSUD 5w20 or 0w20 w/Purolator Boss or Wix XP

40k Mile 2015 Dodge Charger 3.6L Pentastar Pennzoil Platinum or QSUD 0/5W20, or 5W30
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515128
09/13/17 11:32 AM
09/13/17 11:32 AM
Joined: Apr 2004
Posts: 441
ON, Canada
yugrus Offline OP
yugrus  Offline OP
Joined: Apr 2004
Posts: 441
ON, Canada
I know, but I boosted the oil with Moly, as per above...


'14 Chevrolet Tahoe
'15 Mazda CX-5
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515189
09/13/17 12:22 PM
09/13/17 12:22 PM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
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#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515194
09/13/17 12:31 PM
09/13/17 12:31 PM
Joined: Apr 2004
Posts: 441
ON, Canada
yugrus Offline OP
yugrus  Offline OP
Joined: Apr 2004
Posts: 441
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.

Last edited by yugrus; 09/13/17 12:32 PM.

'14 Chevrolet Tahoe
'15 Mazda CX-5
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515284
09/13/17 02:05 PM
09/13/17 02:05 PM
Joined: Sep 2015
Posts: 3,938
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,938
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.


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515298
09/13/17 02:24 PM
09/13/17 02:24 PM
Joined: Apr 2004
Posts: 441
ON, Canada
yugrus Offline OP
yugrus  Offline OP
Joined: Apr 2004
Posts: 441
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
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515527
09/13/17 06:50 PM
09/13/17 06:50 PM
Joined: Apr 2006
Posts: 133
Knoxville, TN
Big Smoke Offline
Big Smoke  Offline
Joined: Apr 2006
Posts: 133
Knoxville, TN
How long have you been using the LiquiMoly MoS2?


2017 Dodge Charger Rallye
2015 Toyota Yaris 1.2L (Thailand)
Re: 2014 Chevrolet Tahoe 5w30 5.3L QSUD???+MoS2 10k km [Re: yugrus] #4515547
09/13/17 07:11 PM
09/13/17 07:11 PM
Joined: Apr 2004
Posts: 441
ON, Canada
yugrus Offline OP
yugrus  Offline OP
Joined: Apr 2004
Posts: 441
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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