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The Difference Between LS And Vortec Engines (And Why Fans Love Them)
18 Feb 2026 22:10 GMT
… throttles, variable valve timing, and active fuel management were made available.
Why enthusiasts …
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What Is Active Fuel Management (AFM) And Why Can It Cause Lifter Noise?
11 Oct 2025 22:00 GMT
… town. Well, you can with Active Fuel Management (AFM), but some don… doesn't. Worse still, active fuel management adds complexity, which invites more …
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GM's VortecMAX V8: The Powerhouse Engine Behind Select Luxury SUVs and Trucks
14 Feb 2026 19:47 GMT
… . It features GM's Active Fuel Management (AFM) variable displacement tech. Variable … was originally meant to support Active Fuel Management capabilities. Shortly after production commenced …
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10 SUVs More Likely To Hit 250k Miles Or More
09 Feb 2026 01:35 GMT
… to understand: the post-AFM (Active Fuel Management) era (2007+) and the pre …
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HEMI Owners Are Deleting This Feature, Even Though It's Costing Them Fuel
28 Jan 2026 15:27 GMT
… manufacturers, such as AFM, or Active Fuel Management, on GM vehicles). It works …
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Pontaic Grand Prix Generations Guide: Engines, Trims, Specs, & Value
21 Jan 2026 03:46 GMT
… -liter LS4 V8, it featured Active Fuel Management (cylinder deactivation) for better economy …
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How American V8s Lost What Made Them Legendary
19 Jan 2026 23:39 GMT
… at how cylinder deactivation and active fuel management transformed the American V8, making … a whole new level.
Why Active Fuel Management Introduced New Failure Points
At … deactivation arrived under the name Active Fuel Management, or AFM. The first models …
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The Complete History Of Cadillac V8 Engines
09 Jan 2026 20:25 GMT
… kind of like the modern Active Fuel Management or Displacement on Demand systems …
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Hot Shot’s Secret® Introduces Tick Fix + Protect™ Advanced Oil Enhancer with FR3 Nano Technology®
06 Jan 2026 15:15 GMT
… called Displacement on Demand or Active Fuel Management. The system interrupts the flow …