For 2001, GM released its 6.6L Duramax engine, which, at the time, was considered by many to be the most advanced diesel powerplant ever installed in American pickup trucks. The fact that the same ...

If you want to make your diesel go fast, there are only two things you need to make it happen: more air and more fuel. Of course, that’s entirely oversimplifying the situation, but you get the picture ...

This eliminated much of the hassle involved in replacing LB7 injectors, most of which involved getting to the injectors in the first place. The new turbo was a variable geometry unit, and the ...