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2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi #4545675
10/16/17 09:18 PM
10/16/17 09:18 PM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
I wanted to see how GM's new AcDelco 5w-30 Full Synthetic is doing in my 6.2L. My service advisor said they are pretty sure it is made by Mobil 1 but who knows. Hey, I'm pretty happy with the analysis after 5,000mi especially when I can get an 8qt oil/filter change get & tire rotation for $60! I'll be going at least 7k between changes.


Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545707
10/16/17 10:12 PM
10/16/17 10:12 PM
Joined: May 2015
Posts: 973
Missouri
gabriel9766 Offline
gabriel9766  Offline
Joined: May 2015
Posts: 973
Missouri
Are you sure they used 5w30? I thought the new EcoTec took 0w20?


2015 Malibu LT 2.5L PPPP 0w20 46.1K
2007 Escape XLT 3.0L 5Q STHM 5w30/1Q MC full syn 5W20 115K
2010 Fusion SE 2.5L MC 0w20 110K
2008 Escape XLT 2.3L MC 5w30 187K
2007 Fusion SE 2.3L- 173.5K STHM 0W20
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545731
10/16/17 11:23 PM
10/16/17 11:23 PM
Joined: Oct 2014
Posts: 4,046
Utah
CKN Offline
CKN  Offline
Joined: Oct 2014
Posts: 4,046
Utah
So-it looks like you can just follow the OLM and be fine.

Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545795
10/17/17 04:09 AM
10/17/17 04:09 AM
Joined: May 2007
Posts: 7,629
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,629
Indianapolis, IN
Excellent wear; keep that OCI going! Can easily get to 10k miles.
Regarding the vis, I'd have to guess they didn't put in what you think they did. That or this lube is horrid at vis retention.

And a belated welcome for joining and your first post!

Last edited by dnewton3; 10/17/17 04:09 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: gabriel9766] #4545798
10/17/17 04:14 AM
10/17/17 04:14 AM
Joined: Sep 2010
Posts: 7,508
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,508
Texas & Global
That would be nice to know. While 0w20 synthetic is lean on VM Im trying to get a handle on what to expect with my new DI 5.3L


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545801
10/17/17 04:18 AM
10/17/17 04:18 AM
Joined: Aug 2008
Posts: 21,312
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,312
ON, Canada eh?
welcome to BITOG.

Thanks for posting this thumbsup


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545916
10/17/17 07:13 AM
10/17/17 07:13 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
Yes this is the 5w-30 GM used in my Ecotec3 6.2L.



Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4545919
10/17/17 07:15 AM
10/17/17 07:15 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
I forgot to mention that I have a Tracy Lewis catch can installed on my truck as well. Perhaps that is keeping some moisture and contaminants out of the oil.

Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: gabriel9766] #4545932
10/17/17 07:27 AM
10/17/17 07:27 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
Originally Posted By: gabriel9766
Are you sure they used 5w30? I thought the new EcoTec took 0w20?


You guys have me wondering now! I'm going to contact the dealer to see if they really used 30 weight. He brought those quart samples out to me so I could take a look at the bottles so I just assumed they used that weight.

Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4546028
10/17/17 08:46 AM
10/17/17 08:46 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
Well update 18....service advisor told me it was 5w-30 but after he searched the records, it was indeed 0w-20! Thanks guys.

Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4546149
10/17/17 10:32 AM
10/17/17 10:32 AM
Joined: May 2007
Posts: 7,629
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,629
Indianapolis, IN
That makes much more sense.

Lesson #1 - UOAs are more accurate than service advisors

Lesson #2 - thinner oils do just fine; the wear rates will likely not be affected to a tangible degree had it actually been 5w-30 instead of a 20 grade.

Lesson #3 - your OCI plan is uber conservative

Lesson #4 - you still have no idea who makes that lube, but does it really matter? To you? Maybe. To the engine? Not one bit.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: dnewton3] #4546935
10/18/17 07:23 AM
10/18/17 07:23 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
Originally Posted By: dnewton3
That makes much more sense.

Lesson #1 - UOAs are more accurate than service advisors

Lesson #2 - thinner oils do just fine; the wear rates will likely not be affected to a tangible degree had it actually been 5w-30 instead of a 20 grade.

Lesson #3 - your OCI plan is uber conservative

Lesson #4 - you still have no idea who makes that lube, but does it really matter? To you? Maybe. To the engine? Not one bit.





Perhaps I can take OCI closer to 10k mi. Only way to know would be another analysis around 8k I guess. You're right, I don't know who makes the oil (I can assume Exxon Mobil since they have been in bed with GM for a long time) BUT, I could give a rat's you know what as long as it is protecting my engine sufficiently.

Last edited by modernmetal; 10/18/17 07:29 AM.
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4546939
10/18/17 07:27 AM
10/18/17 07:27 AM
Joined: Sep 2010
Posts: 7,508
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,508
Texas & Global
Where does your OLM take you? You reckon OnStar knows?


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4546954
10/18/17 07:41 AM
10/18/17 07:41 AM
Joined: Oct 2017
Posts: 14
IN, USA
modernmetal Offline OP
modernmetal  Offline OP
Joined: Oct 2017
Posts: 14
IN, USA
Let me call my service advisor to find out crazy laugh But seriously, I'll check when I get home.

Re: 2014 GMC Sierra 1500 6.2L AcDelco 5w-30 5000mi [Re: modernmetal] #4546962
10/18/17 07:47 AM
10/18/17 07:47 AM
Joined: Nov 2013
Posts: 362
Fly-over country
zuluplus30 Offline
zuluplus30  Offline
Joined: Nov 2013
Posts: 362
Fly-over country
The 2014+ 5.3s and 6.2s OLMs are capped at 7500 under ideal conditions. We routinely get 7200-7500 on our 2014 5.3 if I run in all the way to 0%. I'd follow the OLM and forget about the UOAs. It appears to be spot on here.

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