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
Cummins uses Rotella? I would think they would use their own Valvoline Premium Blue recipe. Used to be contracted with Castrol years ago. No smella either.
