The L5P and LBZ are considered two of General Motors' best Duramax diesel engines, but each comes with its own strengths and ...
About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...