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
Mobil 1 has a very good website. They claim the change can be made at any time. When I bought my Cummins, the Cummins tech center said that with diesels it wouldn't really make much difference since the oil reserve is so big. They said it would definitely help with a gas engine since synthetic dissipates heat much faster. They also strongly advised against extending oil change times.
