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#4778171 - 06/05/18 01:27 PM Dexos 1 benefits
Spitter Offline


Registered: 06/02/18
Posts: 45
Loc: 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

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#4778175 - 06/05/18 01:31 PM Re: Dexos 1 benefits [Re: Spitter]
kschachn Offline


Registered: 12/26/05
Posts: 9665
Loc: Upper Midwest
How would the oil know what brand of vehicle it is?
_________________________
1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 398K
2000 Toyota ECHO, 267K

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#4778189 - 06/05/18 01:42 PM Re: Dexos 1 benefits [Re: kschachn]
Spitter Offline


Registered: 06/02/18
Posts: 45
Loc: 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

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#4778190 - 06/05/18 01:43 PM Re: Dexos 1 benefits [Re: kschachn]
JustN89 Offline


Registered: 06/27/17
Posts: 512
Loc: 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.

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#4778193 - 06/05/18 01:45 PM Re: Dexos 1 benefits [Re: JustN89]
dogememe Offline


Registered: 04/15/17
Posts: 804
Loc: 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.
_________________________
2007 Crown Vic P71 4.6 ~124K Miles, Valvoline Advanced Synthetic 5W-30, Royal Purple Filter, Daily Driver.
2010 Escape FWD 2.5 ~78K Miles, Castrol Edge EP 5W-30, Wix Filter, Rented on Turo.

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#4778201 - 06/05/18 01:51 PM Re: Dexos 1 benefits [Re: Spitter]
JustN89 Offline


Registered: 06/27/17
Posts: 512
Loc: 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.

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#4778245 - 06/05/18 02:33 PM Re: Dexos 1 benefits [Re: Spitter]
csandste Offline


Registered: 05/31/02
Posts: 1288
Loc: 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, 45,000 miles.

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#4778247 - 06/05/18 02:35 PM Re: Dexos 1 benefits [Re: csandste]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 3008
Loc: 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 123741
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: Castrol EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74202
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

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#4778523 - 06/05/18 08:09 PM Re: Dexos 1 benefits [Re: Spitter]
gfh77665 Offline


Registered: 09/01/08
Posts: 3847
Loc: Southeast Texas
I get more MPG's when I slap a Sunoco sticker on the back of my truck.

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#4778546 - 06/05/18 08:33 PM Re: Dexos 1 benefits [Re: Spitter]
jongies3 Offline


Registered: 03/11/16
Posts: 907
Loc: 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

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#4778576 - 06/05/18 09:04 PM Re: Dexos 1 benefits [Re: Spitter]
Garak Offline


Registered: 12/05/09
Posts: 24992
Loc: 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

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#4779021 - 06/06/18 11:40 AM Re: Dexos 1 benefits [Re: Spitter]
DGXR Offline


Registered: 01/21/11
Posts: 163
Loc: 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 base LT1 6-speed
2006 Tacoma 2.7 2wd access cab

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#4779562 - 06/06/18 08:10 PM Re: Dexos 1 benefits [Re: Spitter]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1688
Loc: 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

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#4779570 - 06/06/18 08:17 PM Re: Dexos 1 benefits [Re: SilverFusion2010]
Garak Offline


Registered: 12/05/09
Posts: 24992
Loc: 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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