A federal judge has handed General Motors a key procedural victory in the long-running GM lifter lawsuit, denying a late-stage effort by plaintiffs to split the case into two separate legal battles.

When General Motors launched Active Fuel Management (AFM) and then, Dynamic Fuel Management (DFM), the idea was that the fuel consumption of truck and SUV owners could be improved by turning off ...

QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...

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 ...

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 ...

VVT Cam Swap: Fear VVT and AFM no more! Swapping cams on an L99 is easy and good for tons of power OK, so you checked off the option box for the 6L80E automatic when ordering up your new fifth-gen.