GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...
GM files a patent for advanced cylinder deactivation, aiming to make V-8 engines much more efficient without sacrificing ...
General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split has created a simple but urgent question for buyers: which GM engines ...
General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...
The 2025 Corvette ZR1 isn’t short on impressive specs – from the four-figure horsepower, to the 1,200 pounds of downforce, to exhaust gas that exits the rear pipes so fast it provides thrust, the new ...
We may receive a commission on purchases made from links. Imagine you could get all the brawny output of a robust V8 engine in your truck when needed, but also get improved fuel efficiency while ...
With the launch of Chevy's small-block V8 in 1955, General Motors introduced an engine family that would make its way into millions of vehicles across the world. It was especially known as a mainstay ...