There's a HUGE difference between a 6.5L Turbo Diesel that runs and one that runs well! Follow our checklist to get familiar with all the nuances and upgrades.
This list is a continual work in progress. Please message us any suggestions you may have.
- Check your air filter!
- All diesel engines move a tremendous amount of air. If your fuel mileage is dropping or you see black smoke, this is the first place to look
- If you have an "open" air filter (not enclosed), you might want to look into an airbox. For stock turbos, you can swap in a 1997+ RPO Code K47 airbox, or, take a look at the S&B Airbox with dry or washable elements