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...
Forum Discussion
Cummins12V98 wrote:
Hannibal,
"Never heard of it. However,"
Well now you have.
Yeah but I "heard" of it from you.
Then I went and read about it from the source. Cummins engines come factory filled with Valvoline Premium Blue as they have for at least two decades.
If not, simply provide a link to a factual source to back up your claim. Otherwise, you're just spreading erroneous information.:p
