Originally Posted by markjr
Run it like you have. Yeah, you might save a few bucks for a little while, Lock it up and it'll cost you a whole lot more than the "free" deal. 5/30 is 5/30, Dodge built it, they know what it needs.
Yep, agree. Why second guess the engineers who designed the motor? Stick with what is recommended and full synthetic is typically the better choice.