Synthetic oil
I have a 2005 Dodge 1500. 5.7L Hemi. It has 73000 miles on it. I have kept the oil changes and maint. Very current. I am thinking of changing to a synthetic oil for my next oil change. Is it wort...
Forum Discussion
AH64ID wrote:
Cummins uses Rotella as the latest factory fill, and from what I have learned its synthetic. The factory doesn't know when or where to truck will end up and the cost difference is cheaper than warranty work for Dino oil in cold environments.
Then it has to be their T 6 5W/40.
Don't believe they make a 15W/40 synthetic.
