Ultimate Chevy 6.2 EcoTec3 Mods Guide
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Ultimate Chevy 6.2 EcoTec3 Mods Guide

The 6.2 EcoTec3 is the biggest and most powerful engine offered in half-ton trucks. While it’s got a good amount of power, what’s not fun about adding some more? With just a few basic bolt-on modifications you can get the 6.2 EcoTec3 up to around 500whp, at which points aggressive cams or forced induction will…

Ultimate Chevy 4.3 EcoTec3 Performance Mod Guide
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Ultimate Chevy 4.3 EcoTec3 Performance Mod Guide

The 4.3 EcoTec3 is the smallest engine of the EcoTec engine family, and also the only V6 available. It’s smaller size of course results in a good bit less power and towing capacity than you get out of the V8’s in the family. While the 4.3 EcoTec3 is built the be heavily modified, there are…

How to Delete or Disable Active Fuel Management (AFM)
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How to Delete or Disable Active Fuel Management (AFM)

AFM or active fuel management is a GM/Chevy technology meant to improve gas mileage. AFM works by deactivating half of the engines cylinders under certain circumstances to reduce fuel usage. It essentially turns your V8 engine into a V4 which saves fuel. GM claims fuel improvements ranging from 5%-15% depending on the engine. So why…

The 4 Most Common Chevy EcoTec3 6.2L Engine Problems
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The 4 Most Common Chevy EcoTec3 6.2L Engine Problems

The 6.2L EcoTec engine was released in 2014 to power GM’s performance vehicles and as the highest tier engine option for Silverado and Sierra trucks. Powering some of the most expensive GM vehicles, reliability is a big factor. Unfortunately, the 6.2L EcoTec3 is prone to a number of common and serious problems such as lifter…

The 5 Most Common Chevy EcoTec3 5.3L Engine Problems
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The 5 Most Common Chevy EcoTec3 5.3L Engine Problems

The Vortec engine family was plagued by problems with oil consumption and AFM, leading to GM developing the new EcoTec3 engine family in 2014. However, the EcoTec3 engine family, including the 5.3L engine still suffer from AFM related problems. Additionally, the 5.3L engine specifically has common problems with carbon build-up, fuel injector failure, 4WD, fuel…