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Which GM engines skip AFM?

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 ...
Hot Rod

50-State-Legal Chevy LS V-8 Camshafts Promise 32 to 47 More Horsepower!

Comp Cams and Summit now have the universe of Chevy LS Gen III/IV V-8s covered, from 4.8-liter to 7.0-liter, with these FSL cams. For many decades, hot-rodders didn’t have much of a choice when it ...
Top Speed on MSN

The GM engine family is so reliable it's still in production after 30 years

This American power unit has a track-record unlike any other modern V-8 engine.
SlashGear

Which Cars Have GM's LS4 Engine Under The Hood & How Much HP Does It Have?

Swapping an LS engine into a car is popular among folks inclined to do such things. It's a great way to gain the horsepower potential and reliability that makes the General Motors LS engines so ...
SlashGear

What Does An AFM Disabler Do And Does It Cause Engine Problems?

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 ...
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 ...
Hot Rod

Chevy's Gen III Small-Block Engine: An Exclusive Look at the First LS From 1996

The most enduring engine in automotive history is about to change. The small-block Chevy is and will continue to be the most popular powerplant in the history of racing and high performance, but its ...