I'm not familiar with the standard beyond knowing it's a GM thing and 10w-30 isn't included.
Would there be any benefit to switching to a dexos oil in a 3.0L duratec circa 2010? I'm currently running M1 HM 10w-30
Would there be any benefit to switching to a dexos oil in a 3.0L duratec circa 2010? I'm currently running M1 HM 10w-30