Join Date: Jun 2010
Feedback Score: 0 reviews
Best Synthetic 5/40 For My 6.7
In my 7.3 I ran Rotella 5/40 synthetic for years. Worked just great, and I towed a 15000 lb 5ver all over the country.--- Ford recommends 5/40 for severe service in my new 2011 6.7. I will change to the 5/40 synthetic at my first oil change.
I have heard some say that Valvoline synthetic 5/40 Premium Blue Extreme Engine Oil is better than the Rotella synthetic. The price of the Rotella is under $20 per gallon. What does the Valvoline cost and is it really any better???????