Tim Stevenson is a YouTuber and produces Decent Garage where he works on automotive projects in his home garage. The show's focus is on 12 valve Cummins trucks. The underlying mantra on Decent Garage is "If I can do it anyone can." By day, Tim is a Doctor of Physical Therapy with a national board certification in orthopedic physical therapy. His mechanical knowledge is all self-taught from years of reading on forums, watching plenty of Youtube, and seeking advice from other mentors in the industry. It was 1st gen Cummins trucks that sparked his passion for mechanical work and these trucks are still the focus of this hobby of wrenching.