New spy video shows Silverado HD prototypes testing in CO, supposedly with the 8.3L Duramax MegaMax engine. The question is - is there really a MegaMax engine?

LaMontagne sees hybrid propulsion not just as a climate solution, but as a practical upgrade for boats like his. “Especially ...

The 2.7L TurboMax engine can be found under the hood of Chevy and GMC trucks, and like other engines, owners report common ...