Recent content by bp09

You may be right...if you check the Pennzoil site the PP spec no longer lists Dexos1 approval. Maybe SOPUS told them to stick it. As for me with several vehicles under GM warranties I guess the wise thing to do to avoid any potential issues would be to switch back to M1 or M1EP. Too bad, I...

I was just up looking to see if GM had updated the approved oil list to include PU and discovered that PP is no longer listed. What's the deal? http://www.gmdexos.com/licensedbrands/dexos1licensedbrands.html