The op has the 6 cylinder, so no overwhelming reason to run a high performance oil like we do with the hemis.
^^^ That ^^^
Go by your manual and stop playing around with different oils. Book says "5W-40, Full Synthetic", use that.
What's the difference between 0w30, 5w30 and 0w40? The main difference is in most cases 0w40 will be the thinnest at the end of an interval. The bigger the swing winter rating to weight, the more vii's are gonna be in the formula. Those are temporary molecules that shear away. If you look at uoa's oils such as pup 0w40 a great example of a 40 weight oil go from 13.9 visc to in the 10's, so at the end of a run 0w40 is almost as thin as a 20 weight oil. Whereas everything else you can use not 0w40 is gonna have a more stable viscosity, as in they will be closer to starting visc then 0w40. Even if a 5w30 starts at 12 if you look at used oil analysis's you will see it will be thicker then 0w40 after the oil was in use, but still be thinner at start up then 0w40 even when new.
There is a reason why manu's went to 0w40, it was to skirt additive rules that 20 and 30 weight oils have to make it on the shelf with api. Since 40 weights are considered hd oils they can use different additive packages and make it on the shelf. But there is a cost for using this strategy, and the cost is an unstable viscosity. Even 5w40 is gonna be more stable then 0w40. Guys with hemi's outta research it because the manu's recommendations have done nothing to help stop the cam issues. However, some of the strategies have helped with hemi tick and cam fails, even in groups that have hemi tick which you would think would have a lot of cam fails have zero or near zero cam failed.
If you are under warranty use the book isnt a bad idea, but there are more proven ways to protect the engine for the long term then the book.