First introduced on select 2023 Sierra 1500 trims, the automaker noted that the updated 3.0L Duramax engine comes standard with a 10-speed automatic transmission and delivers max power of 305 horsepower (a 10% increase compared to MY22), and max torque of 495 lb-ft (a 7.6% increase from ...
In the past, we’ve presented our case as to why the P-pumped 12-valve 5.9L Cummins is thebest diesel engineever made and also why theToyota 2JZ-GTEis still relevant in today’s high-horsepower world. Now we’re pitting these two heavyweights against each other to find out which ...
The injection pump is what makes or breaks every diesel, and here the 6.4L definitely has an advantage. With its K16 high-pressure fuel pump said to flow as much as 20-percent more fuel than the Bosch CP3 (’01-’10 Duramax and ’03-current Cummins), and the Bosch CP4.2 (6.7L Pow...