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Dexos1 Approved Synthetic High Mileage Oils #4113288 06/02/16 12:00 PM
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SavagePatch Offline OP
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What are all of the Dexos1 High Mileage oils and which do you think is best?

Valvoline Maxlife (both full synthetic and blend) and Castrol Edge High Mileage (full synthetic) are Dexos1 approved. Maxlife seems to be universally agreed to be a good product capable of stipping/reducing leaks. The Edge HM is new, does anybody have experience with it?

Pennzoil Platinum High Mileage and Mobil1 High Mileage appear to not be Dexos1 approved.

Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113355 06/02/16 01:10 PM
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badtlc Offline
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I still don't even know what dexos means.


2007 Ford Escape XLS 2.3L ATX, M1 AFE 0W20, Fram TG, 167k
2015 Chrysler T&C, 95k+, M1 5W30, Wix OF
2018 Forester Premium 8k+, Subaru 0W20, Blue Subie OF
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113367 06/02/16 01:24 PM
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ARCOgraphite Offline
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Isnt there a seal swell/conditioner you can add to your fav oil instead of paying $$$ extra for HM oils? Not saying they are bad - Pennzoil bronze bottle is one of the best oils ive run - (pre magnetic SS) Liked it better than dexos SS by far. but maybe that way you can have you khaki and eat it x2.

Last edited by ARCOgraphite; 06/02/16 01:25 PM.

2019 VW Jetta S 6MT OCI#1 5885mi-Castrol Edge Prof? VW508+VW Service Filter; '17 Subaru Crosstrek CVT OC#7 52665mi-Castrol GTX Magnatec 5W20 + SOA Filter
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113375 06/02/16 01:38 PM
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asker123 Offline
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Do high mileage oil help in reducing the oil consumption caused by oil burning or they just help reduce leaking?


Honda Accord 2003 4 cyl
Mobil1 EP 0W20, M1-110 oil filter
OEM engine air filter
Honda brand ATF-dw1, Type 2 Coolant , Brake Oil
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: asker123] #4113380 06/02/16 01:42 PM
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bullwinkle Offline
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Originally Posted By: asker123
Do high mileage oil help in reducing the oil consumption caused by oil burning or they just help reduce leaking?
If you're referring to MaxLife, it has helped me with BOTH. It's not a wonder oil, but it does help on older high mileage engines.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113386 06/02/16 01:51 PM
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ABomb369 Offline
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Here is a link to Dexos1 approved oils. Should be able to search the list for licensed HM oils if concerned. I however, would not have any issue running PPHM or M1HM in any vehicle that originally specified Dexos1 as I feel those two would easily meet the requirements.

http://www.centerforqa.com/dexos-brand1/

Also, here is the differences between Dexos1 and GF-5 oils. Dexos has a few items that are more stringent and why you don't see any straight conventional Dexos1 oils. Likely the cold flow and volatility requirements are why. My guess is this is to help DI engines which can be brutal on oil.

Features & Benfits
 Compared to GF-5, the dexos™ weighted piston deposit (WPD) limit has been
increased from 4.0 to 4.5. This translates to „cleaner pistons‟ and better engine
performance. How? Piston deposits can form behind and around piston rings causing
the rings to stick and be “sluggish”. Full compression does not occur resulting in
increased emissions, decreased fuel economy and decreased engine performance
overall.

 The dexos™ specification includes an aeration test on new and used oil. No such test
is included in the next generation, GF-5 industry specification. Sufficient aeration
control is a key criteria when the motor oil also functions as a hydraulic fluid, which
is the case in GM engines designed with Variable Valve Timing. Variable Valve
Timing (also referred to as cam phasing) is an increasingly common design in GM
engines to improve fuel efficiency.

 dexos™ exhibits improved oxidation and wear performance:
o Improved oxidation means the oil better resists thickening. As an oil becomes
more viscous (or thickens), fuel economy is reduced. Oil thickening could
lead to problems in pumping the oil through the lubricating passages of the
engine resulting in engine damage.

 The dexos™ specification includes a test for low-temperature pumpability. This sort
of test is not currently included in the next generation industry specification.
Although generally not an issue in warmer climates, if an oil becomes too viscous in
colder temperatures, adequate lubrication may not occur resulting in increased wear
and in severe cases, engine failure.

 Oils meeting the dexos™ specification have more stringent volatility requirements
than the next generation GF-5 industry specification, meaning that the amount of oil
volatilized (or consumed during use) is lower. This performance requirement was put
in place to limit oil consumption over extended drain intervals.


16 SS Sedan (Holden Commodore) - LS3+6MT+2Boosters+Car seat = Ultimate Family Hauler
11 GMC Acadia - Wife's Car
04 Pontiac Grand Prix - AKA Old Faithful
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: bullwinkle] #4113388 06/02/16 01:53 PM
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asker123 Offline
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Originally Posted By: bullwinkle
Originally Posted By: asker123
Do high mileage oil help in reducing the oil consumption caused by oil burning or they just help reduce leaking?
If you're referring to MaxLife, it has helped me with BOTH. It's not a wonder oil, but it does help on older high mileage engines.

Which maxlife you used? full synthetic or blend?
Here in Canada I didn't see Full synthetic version on shelfs not atlest on Walmar tor Canadian Tire...I am running mobil 1 5w20 for last 7 OCIs ( 3.5 years) and now hesitant shifting back to conventional or synthetic blend even if car is burning oil.

but I like the name "Maxlife" .. if it guarantees maximum life than I shouldn't be hesitant even if it is synthetic blend...


Honda Accord 2003 4 cyl
Mobil1 EP 0W20, M1-110 oil filter
OEM engine air filter
Honda brand ATF-dw1, Type 2 Coolant , Brake Oil
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: asker123] #4113501 06/02/16 04:17 PM
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MolaKule Offline
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Originally Posted By: asker123

...Which maxlife you used? full synthetic or blend?...



Some Products are shown here:

http://www.valvoline.com/our-products/motor-oil/max-life

Last edited by MolaKule; 06/02/16 04:17 PM.

The value of a scientific theory is its ability to prompt further study, not that it has any relation to the established facts of scientific reality.
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113510 06/02/16 04:25 PM
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Nate1979 Offline
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Interesting to see High Mileage and Dexos offerings, both blend and full synthetic.


2015 GMC Sierra 2500 6.0L
2010 Subaru Forester 2.5X
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113515 06/02/16 04:30 PM
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dblshock Offline
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[url=[URL=http://s1368.photobucket.com/user/33dblshock/media/CRUZE%20LT%20OIL/IMG_0647_zpstrhomi45.jpg.html][/url]]Dexos '14 Cruze[/url]


05 Lexus GX470 167k
640:1 TCW-3
5/30 10/30 5/40 15/40
Michelin Latitude

06 4Runner SR5 150k
640:1 TCW-3
Citgo 10/30 conv XG3614
Falken Wildpeak AT3W
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113517 06/02/16 04:35 PM
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dblshock Offline
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27k on the loaner [url=[URL=http://s1368.photobucket.com/user/33dblshock/media/IMG_0646_zpszpkt0wzw.jpg.html][/url]]dipstick[/url] odo


05 Lexus GX470 167k
640:1 TCW-3
5/30 10/30 5/40 15/40
Michelin Latitude

06 4Runner SR5 150k
640:1 TCW-3
Citgo 10/30 conv XG3614
Falken Wildpeak AT3W
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: dblshock] #4113560 06/02/16 06:14 PM
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SR5 Offline
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dblshock,

What is the story ? (car, OCI, oil)

That is not a good look.


---------------------------------------------------------------------------------
Castrol Edge 10W30 A5/B5 + Wesfil-Cooper Z154
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113562 06/02/16 06:18 PM
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dblshock Offline
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Dexos FF 27k Cruze turbo loaner car.


05 Lexus GX470 167k
640:1 TCW-3
5/30 10/30 5/40 15/40
Michelin Latitude

06 4Runner SR5 150k
640:1 TCW-3
Citgo 10/30 conv XG3614
Falken Wildpeak AT3W
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: dblshock] #4113569 06/02/16 06:38 PM
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SR5 Offline
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Ouch !

27k miles on factory fill with a turbo. That's just vandalism.


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Castrol Edge 10W30 A5/B5 + Wesfil-Cooper Z154
Re: Dexos1 Approved Synthetic High Mileage Oils [Re: SavagePatch] #4113570 06/02/16 06:44 PM
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Gene K Offline
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I think the N2O Dry Shot on the Mercury Grand Marquis rental was more fun.


Gene

2014 Mustang GT 5.0 SC - 675 bhp
ST Synthetic 10W30 / FL500S

2018 F150 4x4 3.5 EB
OEM Oil & Filter

2018 Lincoln MKX 3.7
OEM Oil & Filter





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