Vik is the Co-Founder and former Editor at MotorAuthority, a leading U.S. website covering performance and luxury cars. Since 2025, he has contributed to CarBuzz, blending his engineering background ...
The primary differences between the LML, L5P, LB7, and LBZ Duramax engines include different power outputs and varying levels ...
The "LBZ" designation of the 6.6-liter Duramax V8 diesel engine is a production code identifier used by the manufacturer and has no greater meaning.
It's no surprise that ¾- and 1-ton diesel trucks have only grown in popularity since the turn of the century. Diesel pickups have long been celebrated for their power, towing capacity, and rugged ...
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Earlier reports suggested displacements of 5.7 and 6.6 liters, but a leak says the new engine will be even more ridiculous.
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What counts as high mileage on a 6.6 Duramax?
High mileage on a 6.6 Duramax is less about a single scary number on the odometer and more about how that number lines up with the engine’s design, maintenance history, and known weak spots. The same ...
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 ...
General Motors and heavy-duty trucks go a long way back. For the time being, the Chevrolet Silverado HD and its GMC-branded twin do the heavy lifting for the Detroit-based automaker. The Silverado HD ...
The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter gasoline V8, or the optional 6.6-liter Duramax turbo-diesel. Opting for the TD ...
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