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5w40 Dexos2/C3 Oils #4480830
08/06/17 01:42 PM
08/06/17 01:42 PM
Joined: Jan 2008
Posts: 136
Virginia, USA
Bookmaker Offline OP
Bookmaker  Offline OP
Joined: Jan 2008
Posts: 136
Virginia, USA
I want to run a 5w40 oil in my new Chevy Colorado 2.8 DuraMax. Most Dexos2 oils are 5w30.

5w40 Dexos2/C3 oils include:

Redline Euro 5w40
Motul X-Clean 5w40
Castrol Euro 5w40

Is any one of these better than the others?

Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4480832
08/06/17 01:44 PM
08/06/17 01:44 PM
Joined: Jul 2004
Posts: 12,029
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline
Joined: Jul 2004
Posts: 12,029
Middlesex County CT
unlikely redline is a licensed dexos2 oil; important for warranty purposes

It is "suitable replacemnt" and "recommneded for"

Last edited by simple_gifts; 08/06/17 01:45 PM.

2004 Prius; 97K ML Syn 5W-30
2007 Yaris 71K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4480917
08/06/17 02:58 PM
08/06/17 02:58 PM
Joined: Aug 2017
Posts: 538
Nebraska
BJD78 Offline
BJD78  Offline
Joined: Aug 2017
Posts: 538
Nebraska
I wold think they all would be quite good but as far as one better than another?? Perhaps Blackstone labs or Consumer Reports has done some oil analysis and testing on them. As long as they have the starburst symbol one is probably as good as another.


2010 Forester:122K
2009 Sonata :189K
2010 Tucson:55K

OCI 5K using the cheapest dino oil I can buy,usually NAPA or TSC Travelers oil.
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4480931
08/06/17 03:15 PM
08/06/17 03:15 PM
Joined: Dec 2016
Posts: 6,241
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,241
Waco, TX
Originally Posted By: Bookmaker
I want to run a 5w40 oil in my new Chevy Colorado 2.8 DuraMax. Most Dexos2 oils are 5w30.


Why afraid of 5W-30?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 5w40 Dexos2/C3 Oils [Re: Linctex] #4480987
08/06/17 04:25 PM
08/06/17 04:25 PM
Joined: Jan 2008
Posts: 136
Virginia, USA
Bookmaker Offline OP
Bookmaker  Offline OP
Joined: Jan 2008
Posts: 136
Virginia, USA
A little extra weight for when towing. FCA's EcoDiesel had issues with C3 5w30. Not sure if the Baby DMax would have similar issues but why not go a little heavier just in case. Dexos2/C3 maintains the warranty.

Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481000
08/06/17 04:43 PM
08/06/17 04:43 PM
Joined: Jun 2014
Posts: 1,749
Rijeka, EU
chrisri Offline
chrisri  Offline
Joined: Jun 2014
Posts: 1,749
Rijeka, EU
All C3 oils will have same dynamic viscosity- SAE is irrelevant. FCA never had problems in Europe and they use not C3, but C2 -low HT-HS lubricants.


02 Nissan Terrano 2.7.TDi Motul 15w40
06 FIAT Stilo MW 1.9 Multijet SHU 5w40
07 Opel Vectra SW 1.9 CDTI 150 MST 5w40
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481008
08/06/17 04:51 PM
08/06/17 04:51 PM
Joined: Mar 2008
Posts: 6,824
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 6,824
USA
Amalie has a 5w40 dexos2 smile

Re: 5w40 Dexos2/C3 Oils [Re: chrisri] #4481111
08/06/17 06:41 PM
08/06/17 06:41 PM
Joined: Jan 2008
Posts: 136
Virginia, USA
Bookmaker Offline OP
Bookmaker  Offline OP
Joined: Jan 2008
Posts: 136
Virginia, USA
Originally Posted By: chrisri
All C3 oils will have same dynamic viscosity- SAE is irrelevant. FCA never had problems in Europe and they use not C3, but C2 -low HT-HS lubricants.


The Redline oil I mentioned is rated C2/C3

Last edited by Bookmaker; 08/06/17 06:45 PM.
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481310
08/06/17 09:51 PM
08/06/17 09:51 PM
Joined: Dec 2009
Posts: 459
Jupiter, FL
thescreensavers Offline
thescreensavers  Offline
Joined: Dec 2009
Posts: 459
Jupiter, FL
You can get Valvoline MST 5W40 from napa it's Dexos2, I buy it when it's on sale.


2017 Camaro SS 1LE (Motul 8100 X-clean 5W40)
1997 Jeep XJ 4x4 (15W40 HDEO Maxlife)
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481364
08/06/17 11:00 PM
08/06/17 11:00 PM
Joined: Mar 2012
Posts: 5,270
Colorado Springs
edyvw Offline
edyvw  Offline
Joined: Mar 2012
Posts: 5,270
Colorado Springs
Originally Posted By: Bookmaker
I want to run a 5w40 oil in my new Chevy Colorado 2.8 DuraMax. Most Dexos2 oils are 5w30.

5w40 Dexos2/C3 oils include:

Redline Euro 5w40
Motul X-Clean 5w40
Castrol Euro 5w40

Is any one of these better than the others?

I use Valvoline 5W40 MST in summer months in my BMW. Works like a charm. Get it in NAPA when it is on sale. I bought 30 quarts last April for $3.99 per quart.
I like Valvoline because they are transparent with numbers, very smooth operation and carries all necessary specs: ACEA C3, BMW LL-04, MB 229.51, VW 505.01, Dexos 2.

Last edited by edyvw; 08/06/17 11:02 PM.

15' Toyota Sienna AWD (Mobil1 0W20 EP+ FRAM Ultra).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481435
08/07/17 03:11 AM
08/07/17 03:11 AM
Joined: Jul 2013
Posts: 82
Belgrade, Serbia, Europe
DS9 Offline
DS9  Offline
Joined: Jul 2013
Posts: 82
Belgrade, Serbia, Europe

Re: 5w40 Dexos2/C3 Oils [Re: edyvw] #4481458
08/07/17 04:34 AM
08/07/17 04:34 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline
Ammofirst  Offline
Joined: Jun 2017
Posts: 388
Western usa
Originally Posted By: edyvw
Originally Posted By: Bookmaker
I want to run a 5w40 oil in my new Chevy Colorado 2.8 DuraMax. Most Dexos2 oils are 5w30.

5w40 Dexos2/C3 oils include:

Redline Euro 5w40
Motul X-Clean 5w40
Castrol Euro 5w40

Is any one of these better than the others?

I use Valvoline 5W40 MST in summer months in my BMW. Works like a charm. Get it in NAPA when it is on sale. I bought 30 quarts last April for $3.99 per quart.
I like Valvoline because they are transparent with numbers, very smooth operation and carries all necessary specs: ACEA C3, BMW LL-04, MB 229.51, VW 505.01, Dexos 2.

That's a good price. I'm not to far from Colo springs, when does it normally go on sale ?

Re: 5w40 Dexos2/C3 Oils [Re: Bookmaker] #4481467
08/07/17 05:03 AM
08/07/17 05:03 AM
Joined: Jan 2008
Posts: 136
Virginia, USA
Bookmaker Offline OP
Bookmaker  Offline OP
Joined: Jan 2008
Posts: 136
Virginia, USA
The Valvoline MST looks good. I also like that they publish their numbers and that I can buy it locally at NAPA.

Re: 5w40 Dexos2/C3 Oils [Re: DS9] #4481475
08/07/17 05:42 AM
08/07/17 05:42 AM
Joined: Sep 2015
Posts: 2,260
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,260
Malaysia


Currently having this in a Kia 2.0L NA Nu engine ..... happy with it.

Re: 5w40 Dexos2/C3 Oils [Re: chrisri] #4481479
08/07/17 06:07 AM
08/07/17 06:07 AM
Joined: Dec 2002
Posts: 40,890
'Stralia
Shannow Offline
Shannow  Offline
Joined: Dec 2002
Posts: 40,890
'Stralia
Originally Posted By: chrisri
All C3 oils will have same dynamic viscosity- SAE is irrelevant. FCA never had problems in Europe and they use not C3, but C2 -low HT-HS lubricants.


Nope, they all have the same 3.5 min, not the same HTHS...the 5W40s are typically about 0.2Cp above the 5W30s.

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