I have a gen 2, 5.9 with 129,000. Owned 20 years. Was used for towing my RV but no longer. My manual calls for 7,500 mile oil change based on light conditions. It's been VERY light conditions for the last 5 years. (Home Depot and back)
Does Rotella, get acidic like regular automobile oil? For my use it's all about time intervals. Your input is appreciated
Does Rotella, get acidic like regular automobile oil? For my use it's all about time intervals. Your input is appreciated