Owners who didn't address problems quickly at the ... such as the Bullet Proof Diesel Cooling System Upgrade Kit. Not all modified Ford 6.0 engines are bulletproofed. The term is often misused.

Diesel engines ... ground to the competition in horsepower. So, in 2003, Ford unveiled its second Power Stroke engine. The 6.0 had features like a variable geometry turbo for a wide power band ...