jalichty
Sep 13, 2013Explorer
Synthetic Oils
Just had a question for you folks. When is it ok to change out the old dino oil and replace it with synthetic? I just changed our oil at about 10,000 miles, second change, and wonder if I should loo...
Hannibal wrote:Cummins12V98 wrote:
13 Cummins comes from the factory with Rotella synthetic.
Change any time.
Cummins comes factory filled with Rotella when Valvoline Premium Blue is Cummins own recipe?