General Motors is currently investigating reports of an occasional misfire affecting vehicles equipped with the 3.0L I6 LZ0 ...

Recent spy footage of several prototype GM HD trucks undergoing testing in Colorado has reignited speculation about the long-rumored 8.3L Duramax diesel engine, nicknamed "MegaMax." The video was ...

Yorch Glez ditched his Chevy Silverado 5.3L V8 for the Silverado 3.0L Duramax and regrets it! He's considering going back. Is the Duramax really a downgrade? What's your take?

While the Duramax engine family has been around for a while, only one engine can truly claim to be the Holy Grail of GM's ...

For diesel engines to work their best, precision is everything. That's why, unlike traditional gasoline-powered engines, a Duramax diesel engine has two thermostats. After all, there are some ...

The FINANCIAL — GM announced on February 8 that its new lineup of heavy-duty diesel pickups will have B20 biodiesel capability. B20 fuel is a blend of 20-percent biodiesel and 80-percent conventional ...