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The LS4 5.3L V8 and AFM: DoD in GM's Sideways S...
The LS4 is GM's unusual transverse, front-wheel-drive 5.3L V8, and it carried Displacement on Demand (the original name for AFM). Here is what DoD does on this engine, why the...
The LS4 5.3L V8 and AFM: DoD in GM's Sideways S...
The LS4 is GM's unusual transverse, front-wheel-drive 5.3L V8, and it carried Displacement on Demand (the original name for AFM). Here is what DoD does on this engine, why the...
Does the 4.8 Have AFM? The Honest Answer for GM...
The GM 4.8L V8 (Vortec 4800) never came with Active Fuel Management, so it has no AFM lifters to collapse. Here's how to confirm you really have a 4.8 -...
Does the 4.8 Have AFM? The Honest Answer for GM...
The GM 4.8L V8 (Vortec 4800) never came with Active Fuel Management, so it has no AFM lifters to collapse. Here's how to confirm you really have a 4.8 -...
Does the 6.0 Have AFM? L76 vs LY6 vs L96 Explained
Not every GM 6.0L V8 has Active Fuel Management. The L76 6.0L used it, while the heavy-duty LY6 and L96 generally did not. Here is how to tell which 6.0L...
Does the 6.0 Have AFM? L76 vs LY6 vs L96 Explained
Not every GM 6.0L V8 has Active Fuel Management. The L76 6.0L used it, while the heavy-duty LY6 and L96 generally did not. Here is how to tell which 6.0L...
Which Vortec 5300 Engines Have AFM (and How to ...
Not every 5.3L Vortec 5300 uses Active Fuel Management. Here's how to tell whether yours has AFM by RPO code and VIN, why the AFM 5.3L is prone to lifter...
Which Vortec 5300 Engines Have AFM (and How to ...
Not every 5.3L Vortec 5300 uses Active Fuel Management. Here's how to tell whether yours has AFM by RPO code and VIN, why the AFM 5.3L is prone to lifter...
L86 6.2 AFM: What Owners Should Know (and Why L...
The 2014-2018 GM L86 6.2L V8 uses Active Fuel Management, the same cylinder-deactivation system tied to lifter tick and cam wear. Here is how AFM works on the L86, how...
L86 6.2 AFM: What Owners Should Know (and Why L...
The 2014-2018 GM L86 6.2L V8 uses Active Fuel Management, the same cylinder-deactivation system tied to lifter tick and cam wear. Here is how AFM works on the L86, how...
L83 AFM Explained: Lifter Concerns and Preventi...
The L83 is GM's 2014-2018 EcoTec3 5.3L V8, and it runs Active Fuel Management (AFM) cylinder deactivation. Here's how AFM works on the L83, why the lifters are the weak...
L83 AFM Explained: Lifter Concerns and Preventi...
The L83 is GM's 2014-2018 EcoTec3 5.3L V8, and it runs Active Fuel Management (AFM) cylinder deactivation. Here's how AFM works on the L83, why the lifters are the weak...