The headline improvement from the LM2 to the LZ0 is the power output, with horsepower climbing to 305 hp and torque increasing to 495 lb-ft. GM's Duramax engineers made several changes to the LZ0 ...

The new Small Block will join the TurboMax turbocharged 2.7L I4 L3B and the 3.0L I6 LZ0 turbodiesel Duramax offered currently, however, there’s one upcoming feature that could shift the ...

Of those, only the GM Duramax I6 remains. The 3.0-liter LZ0 Duramax inline-six. General Motors It’s a pretty big hit, too, as GM offers the 3.0-liter diesel across several makes and models.

GM canceled its 4.5L V8 LMK turbodiesel Duramax engine in 2009, but now, an early prototype of the ambitious V8 has reemerged ...

The LZ0 does nothing to address the latter, but owners should at least get another 50,000 miles of use before having to fork ...