Why the early 99 7.3 turbo is such a weird beast

If you're hunting for parts or trying to squeeze more power out of an early 99 7.3 turbo, you probably already know that this specific truck is a bit of a black sheep in the Ford diesel world. It sits in this awkward transition period where Ford was moving from the old OBS (Old Body Style) trucks to the Super Duty platform we recognize today. Because of that, the guys who own an "Early 99" often find themselves in a love-hate relationship with their rigs. ...

February 20, 2026 · 7 min · Montary Legorburu