Originally Posted by marvin02
Where do you see the recommendation for conventional oil. My manual states:
Nothing about not using synthetic or only using conventional. I found this on the Mobile 1 site:
It is probably the cost and time that keeps oil manufacturers from "meeting" this standard.
is a spec sheet for Valvoline oils showing that they meet the Chrysler standard.
I heard the reason Mobil1 doesnt meet the standard is cause when Chrysler went into Bankruptcy Exxon was a creditor and didnt want to play ball so Chrysler turned around and says fine your oil isnt good enough for our vehicles anymore.