Originally Posted By: ADFD1
Originally Posted By: opposite_locker
I'll try to find the link, but remember that this pertains only to Chrysler vehicles outside the US. Chrysler does insist on only using 20wt in the US for non-SRT and diesel engines purely because CAFE states that if they want the slightly increased fuel economy figures of using a 20wt oil, they MUST specify that only this oil can be used.