Gale Banks fired up the new Precision turbo this week and compared it to stock. This larger, more efficient turbo will have no problem pushing the Duramax way past 600 hp. Watch part 6 in the ongoing series. And, yes, Gale actually intends to blow up the engine, but not until he’s milked it for every ounce of data.
- Fan Focus: Garrett Love
- Time Machine: First Banks Marine Twin Turbo Engine