Recent content by SkywagonJim

As a mechanic with over 45 years of experience, I have found that changing the oil and filter, every 3,000 miles, is the cheapest maintenance that one can find. I work on aircraft as well as tucks and cars. I purchased a 2023 PB 3.5l twin turbo, and can’t be happier. I own Cummins ISL 425 as...