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Dexos 1 benefits #4778171
06/05/18 01:27 PM
06/05/18 01:27 PM
Joined: Jun 2018
Posts: 48
Kentucky
Spitter Offline OP
Spitter  Offline OP
Joined: Jun 2018
Posts: 48
Kentucky
Would you still get the fuel mileage benefits of dexos 1 in a older gm vehicle? Maybe like a early 2000s model? Also what about in another brand such as a nissan or a ford?


2004 Silverado 5.3
Pennzoil ultra platinum 10w30 acdelco upf44
2006 Buick lucerne 3.8
Pennzoil ultra platinum 5w30 acdelco pf47
Re: Dexos 1 benefits [Re: Spitter] #4778175
06/05/18 01:31 PM
06/05/18 01:31 PM
Joined: Dec 2005
Posts: 10,006
Upper Midwest
kschachn Online content
kschachn  Online Content
Joined: Dec 2005
Posts: 10,006
Upper Midwest
How would the oil know what brand of vehicle it is?


1994 BMW 530i, 231K
1996 Honda Accord, 263K
1999 Toyota Sienna, 402K
2000 Toyota ECHO, 272K
Re: Dexos 1 benefits [Re: kschachn] #4778189
06/05/18 01:42 PM
06/05/18 01:42 PM
Joined: Jun 2018
Posts: 48
Kentucky
Spitter Offline OP
Spitter  Offline OP
Joined: Jun 2018
Posts: 48
Kentucky
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

Thats what i was also thinking but isnt the specification made around current production GM?


2004 Silverado 5.3
Pennzoil ultra platinum 10w30 acdelco upf44
2006 Buick lucerne 3.8
Pennzoil ultra platinum 5w30 acdelco pf47
Re: Dexos 1 benefits [Re: kschachn] #4778190
06/05/18 01:43 PM
06/05/18 01:43 PM
Joined: Jun 2017
Posts: 580
DFW
JustN89 Online content
JustN89  Online Content
Joined: Jun 2017
Posts: 580
DFW
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

I like to match the color of bottle to the color of the paint on the car. Makes me feel like the oil was made for the car, which naturally means that I get more horsepower and more MPG.

Re: Dexos 1 benefits [Re: JustN89] #4778193
06/05/18 01:45 PM
06/05/18 01:45 PM
Joined: Apr 2017
Posts: 1,136
SF BAY AREA, CA
dogememe Offline
dogememe  Offline
Joined: Apr 2017
Posts: 1,136
SF BAY AREA, CA
Originally Posted By: JustN89
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

I like to match the color of bottle to the color of the paint on the car. Makes me feel like the oil was made for the car, which naturally means that I get more horsepower and more MPG.


Yes, and then if you add the brand of oil sticker to your car it will increase the lifespan of the oil. This works especially well for Castrol Magnatec - the intelligent clinging molecules will adhere better to a car that is in love with it.


2010 Ford Escape FWD 2.5 ~90K Miles
Currently: Royal Purple 5W-30, Wix 51348
I prefer Royal Purple, Valvoline, Castrol, and O'Reilly Oils.
Re: Dexos 1 benefits [Re: Spitter] #4778201
06/05/18 01:51 PM
06/05/18 01:51 PM
Joined: Jun 2017
Posts: 580
DFW
JustN89 Online content
JustN89  Online Content
Joined: Jun 2017
Posts: 580
DFW
To offer up a serious response, just run whatever is on the shelves at Walmart and you'll be fine. I have a 2005 Impala (3.4L) and have run both dexos and non-dexos oils with no noticeable differences.

Re: Dexos 1 benefits [Re: Spitter] #4778245
06/05/18 02:33 PM
06/05/18 02:33 PM
Joined: May 2002
Posts: 1,445
St. Charles County, Missouri
csandste Online content
csandste  Online Content
Joined: May 2002
Posts: 1,445
St. Charles County, Missouri
How about SN+ covering most of Dexos 1.2 except for the fees to GM?


2017 Kia Soul Plus-- Valvoline MaxLife Blend 5-20, 48,000 miles.
Re: Dexos 1 benefits [Re: csandste] #4778247
06/05/18 02:35 PM
06/05/18 02:35 PM
Joined: Oct 2009
Posts: 3,334
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,334
Wet side WA
Originally Posted By: csandste
How about SN+ covering most of Dexos 1.2 except for the fees to GM?


This thumbsup


2004 Corolla 125335
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Dexos 1 benefits [Re: Spitter] #4778523
06/05/18 08:09 PM
06/05/18 08:09 PM
Joined: Sep 2008
Posts: 3,927
Southeast Texas
gfh77665 Offline
gfh77665  Offline
Joined: Sep 2008
Posts: 3,927
Southeast Texas
I get more MPG's when I slap a Sunoco sticker on the back of my truck.

Re: Dexos 1 benefits [Re: Spitter] #4778546
06/05/18 08:33 PM
06/05/18 08:33 PM
Joined: Mar 2016
Posts: 1,048
MT
jongies3 Offline
jongies3  Offline
Joined: Mar 2016
Posts: 1,048
MT
I've never noticed a difference in mileage between synthetic and conventional oil. If there is any, it's so minute that it skips my calculations.


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM TG-3600 filter
1969 Mustang Mach 1 5.8 V8: PYB 10W-30 Napa Gold 1515 filter
1997 Ford F-250 HD 7.3 Powerstroke V8: T6 5W-40 FRAM PH-3786 filter
Re: Dexos 1 benefits [Re: Spitter] #4778576
06/05/18 09:04 PM
06/05/18 09:04 PM
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
No, you won't, assuming you're already running an ILSAC grade in the first place. Switch from a 5w-30 A3/B4 to a 5w-30 dexos1, there will be a fuel economy benefit, albeit outside of our measurement ability in the real world. Switch from an ordinary ILSAC 5w-30 to a 5w-30 dexos1, it's going to be the same thing, essentially.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Dexos 1 benefits [Re: Spitter] #4779021
06/06/18 11:40 AM
06/06/18 11:40 AM
Joined: Jan 2011
Posts: 211
California
DGXR Offline
DGXR  Offline
Joined: Jan 2011
Posts: 211
California
Dexos 1 certified oils do not necessarily provide fuel economy benefits over any other equivalent but non-Dexos certified oils. Just be sure you are using the correct type and weight of oil specified in the owner's manual and you will be fine. Lighter oils (weight) can provide measurable fuel economy benefits, but there are downsides to using a weight not specified by the manufacturer.

Basically, Dexos is a certification given to a specific brand/weight of oil if it passes multiple tests. The oil producer must pay a fee to GM for Dexos testing and certification -- this fee pays for the testing costs and also includes a fee to allow the oil producer to use the Dexos logo on the packaging. The Dexos tests are pretty tough, but there are many very good oils out there that will pass the Dexos tests but the producer has chosen not to undergo the certification process. Imagine all the fees if an oil producer chose to test and certify every type and grade of oil they make: 0w20, 5w20, 0w30, 5w30, 10w30, 5w40, 10w40, 5w50, 20w50... then add in synthetic and synthetic blends, high mileage varieties, extended performance oils, etc etc. All these types are often made by a single oil company. Obviously Dexos is a cash grab by GM but it's working for them. All other things being equal, I would pay a couple dollars more for a 5qt jug of oil that has passed the Dexos testing process vs an oil that has not been tested but would probably pass the tests. That's just me.


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 2wd access cab
1999 Yamaha YZ400FL
2003 Honda XR400R
Re: Dexos 1 benefits [Re: Spitter] #4779562
06/06/18 08:10 PM
06/06/18 08:10 PM
Joined: Jun 2011
Posts: 1,758
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,758
Crawfordville FL
Dexos1 does not include grades beyond 5w-30. You won’t find a 10w-30 dexos1 certified oil. 0w-20, 5w-20, 5w-30 for sure. Maybe 0w-30, not certain about that one


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Dexos 1 benefits [Re: SilverFusion2010] #4779570
06/06/18 08:17 PM
06/06/18 08:17 PM
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
Yes, there have been 0w-30 examples of dexos1. I believe M1 AFE 0w-30 and Petro-Canada Supreme Synthetic 0w-30 are so certified.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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