The GM active fuel management system works using special lifters that deactivate select cylinders during some situations to ...

The Ecotec3 L83 is a light truck version of the fifth-generation small block Chevy engine. It is found in the 2014-2019 Silverado 1500 and GMC Sierra 1500 pick-ups as well as the 2015-2019 Suburban, ...

The 5.3-liter V8 Ecotec3 might seem like the stepchild of the General Motors family, especially with the LS series of engines around, but it's a winner in its own right. This naturally aspirated ...

Way back in 1981, Cadillac, reacting to the same pressure to maximize fuel economy automakers face today, came up with America's first mass-produced, variable-displacement, gasoline, V8 engine. Known ...

Question:I own a 2010 Chevy 1500 Silverado with a flex-fuel 5.3-liter Vortec V-8. The motor has an Active Fuel Management system that deactivates from V-8 to V-4 under certain conditions. This is my ...

As a result of production constraints and logistics issues stemming from the COVID-19 pandemic, GM decided to remove certain features from a number of its production vehicles. One of the most notable ...

The 2007 Chevrolet Tahoe and Suburban both offer excellent cargo and towing capacity, with the Suburban 2500 rated to pull as much as 9,700 pounds. A new active fuel management system helps mitigate ...

General Motors began developing the first LS series V8 engine in 1993 before unleashing it under the hood of the 1997 Corvette, the fifth of that model's eight generations. GM began updating the LS ...