Chevy Silverado 1500 and GMC Sierra 1500 owners with a diesel-powered 2023 model-year vehicle can now upgrade their ride with a new Duramax engine module from AG Diesel Solutions. The new module ...

For most hot rodders, diesel performance usually means giving a truck more pulling power to get over a hill with a car trailer in tow. But a diesel engine on the race track? We're talking sled pulls, ...

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Ford’s latest 6.7‑liter Power Stroke and Ram’s 6.7‑liter Cummins now deliver more torque than GM’s 6.6‑liter Duramax, with Ford’s High Output version also exceeding it in horsepower. The current L5P ...

For Duramax diesel owners, achieving optimal performance and efficiency often involves overcoming the limitations imposed by factory-installed emissions control systems. Among these, the Exhaust Gas ...

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 ...

Introduced in 2001, the Duramax V8 turbo diesel family was continuously improved over the years until the L5P that GM uses in heavy-duty trucks. Fully stock, the 6.6-liter mill develops 445 horsepower ...

In 1966 General Motors took its famous 396ci gas-burning big-block and increased its bore to 4.25 inches. With that one simple machining process, GM gave birth to the famous 427ci Rat motor, and Chevy ...

General Motors' Duramax engine family is one of the three leading names in diesel engines, right up there with Ford's Power Stroke and Cummins' diesel engines — like the legendary Cummins 6BT — ...