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Silver 2015 Chevrolet Tahoe LT 5.3L full-size SUV, front three-quarter view

AFM Disabler Reviews: What GM V8 Owners Look For

AFM disabler reviews can only tell you so much. Here's an honest buyer's guide to what a good plug-in disabler should do, what to be skeptical of, and the real...

AFM Disabler Reviews: What GM V8 Owners Look For

AFM disabler reviews can only tell you so much. Here's an honest buyer's guide to what a good plug-in disabler should do, what to be skeptical of, and the real...

ELM327 OBD-II scanner dongle plugged into a GM vehicle diagnostic port under the dashboard

Is It Safe to Disable AFM? An Honest Answer

Keeping all eight cylinders firing is how your GM V8 ran before AFM cycling started, so is it safe to disable AFM? For a 2005-2018 5.3, 6.0, or 6.2, a...

Is It Safe to Disable AFM? An Honest Answer

Keeping all eight cylinders firing is how your GM V8 ran before AFM cycling started, so is it safe to disable AFM? For a 2005-2018 5.3, 6.0, or 6.2, a...

Black 2016 GMC Sierra 1500 crew-cab pickup, front three-quarter view

The Best Way to Disable AFM on a GM V8: 4 Optio...

Four real ways to deal with Active Fuel Management on a 2005-2018 GM V8, with honest pros and cons of each. For a healthy truck, a reversible no-tune plug-in is...

The Best Way to Disable AFM on a GM V8: 4 Optio...

Four real ways to deal with Active Fuel Management on a 2005-2018 GM V8, with honest pros and cons of each. For a healthy truck, a reversible no-tune plug-in is...

GM LS-family 6.2L V8 engine in engine bay, close-up of intake manifold and covers

AFM Delete Kit vs Plug-In Disabler: Which One F...

A mechanical AFM delete kit tears the system out for good but needs an engine teardown and a tune, while a plug-in disabler prevents the wear in about a minute...

AFM Delete Kit vs Plug-In Disabler: Which One F...

A mechanical AFM delete kit tears the system out for good but needs an engine teardown and a tune, while a plug-in disabler prevents the wear in about a minute...

Silver Chevrolet Silverado 1500 Z71 crew-cab pickup, front three-quarter view

AFM Disabler vs Range Technology: An Honest Com...

Range Technology and the EirCore AFM/DFM Disabler are both plug-in OBD-II devices that keep a GM V8 in full 8-cylinder mode without reflashing the ECU. Here is an honest, attribute-by-attribute...

AFM Disabler vs Range Technology: An Honest Com...

Range Technology and the EirCore AFM/DFM Disabler are both plug-in OBD-II devices that keep a GM V8 in full 8-cylinder mode without reflashing the ECU. Here is an honest, attribute-by-attribute...

GM LS-family 6.2L V8 engine in engine bay, close-up of intake manifold and covers

Do AFM Disablers Actually Work? An Honest Look

A straight answer on whether AFM disablers work: what a plug-in unit genuinely does to protect GM lifters, what it cannot fix, and how to confirm it yourself.

Do AFM Disablers Actually Work? An Honest Look

A straight answer on whether AFM disablers work: what a plug-in unit genuinely does to protect GM lifters, what it cannot fix, and how to confirm it yourself.