As for the best American diesel engines we'll discuss the 5.9L 6BT Cummins, the 6.6L LBZ Duramax, and the second-generation 7.3L Power Stroke. Oddly enough, a Cummins diesel engine also made the ...

Looking at figures for the nearly identical Navistar T444E on which the 7.3L Power Stroke is based, 50 percent of those engines have proven to surpass the 350,000-mile mark.

Ford Performance has announced new crate motors for builders and racers. Based on the 7.3-liter and 5.0-liter engines, these setups benefit from a 3.0-liter Whipple supercharger.

Supercharged Megazilla 7.3-liter and Dark Horse 5.0-liter engines for drag racing, street, or off-road use hit the Ford Performance catalog in 2025.