General Motors has always enjoyed an impressive array of engines in its powertrain collection. With few exceptions, no matter what you thought of the rest of the vehicle, the powerplant under the hood ...

You may know the history behind the Duramax diesel brand. However, you may not know that Detroit Diesel shares a similar story, as the company was originally known as the General Motors Diesel ...

The tagline on the Heath Diesel website reads: "Thoroughly engineered to provide reliable operation, vastly improved drivability, and outstanding performance. None can compare!" And we can't argue ...