General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

For a while, it looked like the American V8’s days were numbered as Ford, Toyota, and Stellantis all dropped powerful new six-cylinder engines into bays that traditionally were home to more pistons.

According to sources familiar with the matter, the forthcoming Gen 6 Small Block V8 powerplant may be offered in two distinct displacements, including 5.7 liters and 6.6 liters, providing a few ...