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Benefit to D1G2 in older vehicles? #4659290
02/07/18 06:06 PM
02/07/18 06:06 PM
Joined: Dec 2017
Posts: 50
RonRonnster Online content OP
RonRonnster  Online Content OP
Joined: Dec 2017
Posts: 50
First, let me define "older vehicles" - any multi-port injected vehicle older than 2010ish. I have been noticing that the red bottle MaxLife and most other syn-blend or conventional type oils don't meet the Dexos 1 Gen 2 certification - barring some exceptions. I know that a big reason for the Gen2 spec was protection against LSPI in DI engines. According to the GM marketing machine, it also provides these benefits (pulled from the ACDelco site):

"Advantages of dexos1 Gen 2 Full Synthetic Engine Oils:
Helps maintain maximum fuel economy
Reduces sludge and improves engine cleanliness
Significantly reduces low speed pre-Ignition
Offers superior wear protection
Reduces turbocharger deposits
Improves oxidation control
Is a Full synthetic oil without the full synthetic price."

So back to my original question - If I'm a regular user of these types of oils, should I care that red bottle MaxLife (or similar) doesn't meet the Gen2 spec in a non-DI vehicle? Personally, I'm running full syns at the moment, but I've used the high-mileage blends in the past. If I'm considering this type of oil for my older vehicle, is there a tangible benefit to the upgraded Gen2 formulations, or is it just marketing fluff?

- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.
Re: Benefit to D1G2 in older vehicles? [Re: RonRonnster] #4659298
02/07/18 06:15 PM
02/07/18 06:15 PM
Joined: Jun 2017
Posts: 553
JustN89 Offline
JustN89  Offline
Joined: Jun 2017
Posts: 553
It's not all marketing fluff, but you shouldn't worry about running MaxLife (or other HM brands) in any engine not specified to run d1g2.

Re: Benefit to D1G2 in older vehicles? [Re: RonRonnster] #4659493
02/07/18 09:28 PM
02/07/18 09:28 PM
Joined: Jun 2016
Posts: 3,000
oil_film_movies Online content
oil_film_movies  Online Content
Joined: Jun 2016
Posts: 3,000
Valvoline MaxLife full synthetic is dexos1 Gen2. LSPI prevention, sure, yet dexos1 Gen2 also has new timing chain wear tests and oxidation tests.
Its progress. A tougher spec than before. Proven better oil thru tests.

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