Guessing Headlights on MSN

Patent alert: GM is cooking up a smarter V-8 that saves fuel without killing the fun

GM files a patent for advanced cylinder deactivation, aiming to make V-8 engines much more efficient without sacrificing ...
GM Authority

Reply To: Does the L96 have AFM?

AFM is Active Fuel Management which used a solenoid to deactivate the lifters on select cylinders of the engine. Yours has standard lifters so no AFM. Get our GM news straight to your inbox. We'll ...
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Has GM V8 Engine Technology like Cylinder Deactivation, Light-Weight Oils Actually Hurt Truck Sales?

It has been just over a decade since GM V8 engine technology like cylinder deactivation and light-weight oils became standard, how have they impacted sales? This question was raised by a recent ...
Jalopnik

What Is Active Fuel Management (AFM) And Why Can It Cause Lifter Noise?

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 ...