2000 – GM debuts the LB7 Duramax diesel engine with 300 hp and 520 lb-ft torque in ’01 ¾- and 1-ton trucks. ... injectors mounted under the valve covers, and a passive catalytic converter.

We’ve shown you spy photos and shared what our sources have told us, but now GM has pulled back more of the veil surrounding its next-generation heavy-duty Duramax diesel V-8 engine program. The ...

New emission standards in the United States could mean the end of the Duramax engine, find out the fate of the Durmax in this article by Diesel Power Magazine.

DETROIT -- General Motors plans a series of expensive changes to its Duramax V-8 engine to cope with tough U.S. diesel emission rules taking effect Jan. 1. GM says reworking the 6.6-liter diesel ...

Catalytic converters help keep the air clean, but is it something you can remove on your diesel truck for better performance? Here's what you need to know.