Jun 28, 2011 · Hi I was at a GM Dealer and I was talking to the parts person and he told me that their new ACDelco 0w20 Dexos 1 Gen 2 is a full synthetic oil now. I have been looking for …

Aug 30, 2004 · We are more than six months past the first license date of Dexos 1 Gen 3 (9/1/21) and the list of approved oils remains relatively short. Most notably, all flavors of Mobil 1 are …

Dec 11, 2006 · You will find the dexos approved symbol on various oil brands/grades including SuperTech, Valvoline, Quaker State, Pennzoil, and yes Mobil 1 also. Dexos approved oils are …

Jul 5, 2014 · You should be fine, Dexos 1 Gen 3 is essentially GF-6A with some harsher limits, I'd suspect API SP Mobil 1 already meets those standards, I noticed last year that it's only 0.9% …

Mar 11, 2018 · Good afternoon. GM always recommended only dexos2. Now, GM sharply changed the recommendations - with a small volume and the turbine it is necessary to pour …

Nov 22, 2019 · Dexos 2 is also in 5W-40 viscosity grading and is in fact mandatory in some GM Diesels (from VM Motori in Italy). You will not find a 0W-20 Dexos 2 fluid due to the high HTHS …

Oct 27, 2018 · I would assume the ultra is the superior oil, why it's not Dexos certified? Different additive package? Cost to Pennzoil? Random reasons? I don't have a GM vehicle! And I'm …

May 6, 2015 · 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) …

Mar 17, 2011 · As posted in other threads Pennzoil Platinum has been removed from the approved dexos list. I emailed Shell today with a question as to the future of Pennzoil …

Jan 23, 2013 · Product Identifier: ACDelco dexos1® Full Synthetic Motor Oil Other means of identification: ACDelco dexos1® Full Synthetic Motor Oil SAE 0W-20 ACDelco dexos1® Full …