Vortec 5300 Engine Mods
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The 5 Best 5.3 Vortec Performance Mods

The Chevy 5.3 Vortec engine has steadily gained a reputation over the past two decades as one of the most reliable and capable motors in the GM/Chevy line. The engine is known for its bulletproof reliability, solid engineering, and decent performance. However, the 5.3 Vortec can still feel a little underpowered from the factory at…

How AFM Works
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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…

Silverado Engine Fuse Box Location
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1999-2006 Chevy Silverado & Sierra Fuse Box Diagram

The fuses are the heart of your Chevy’s electrical system. Nearly every system in a car that requires battery or electric power (windows, door locks, lighting, stereo, etc. etc.) is wired and powered through a fuse. The battery sends power to the fuse which then transfers it to the specific system on the car. The…

GM 8.1 Vortec Engine Guide
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Chevy 8.1L Vortec Common Engine Problems

The 8.1L Vortec was considered the diesel-alternative in the Chevy line and was designed to be big enough to produce comparable power and towing capabilities to that of the diesels. These engines are known to be overbuilt, leading to nearly bulletproof reliability. The strong cast iron block and heads means that this engine can handle…

Chevy GMC Vortec MAX Engine
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What is Vortec MAX? Vortec vs. VortecMAX

In 2005, GM began badging Silverado and Sierra trucks with a “VortecMAX” engine badge leading to a lot of questions around the difference between the standard 6.0L Vortec engine it used and the high output engine used in the trucks badged as VortecMAX. While the VortecMAX was predominantly a branding play by GM, it did…