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
Some filter experts have told me that air filters are the only filters that do better as they clog. I don't know why. Personally, I only trust DP - every other method/myth is guessing. My fleetguards start with ~1.5" and end at ~ 2.5" at 11-12k miles. Craig
