Ultimate Chevy 4.8 Vortec Performance Upgrades Guide
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Ultimate Chevy 4.8 Vortec Performance Upgrades Guide

From 1999–2014, the 4.8L Vortec V8 engine powered many half-ton trucks and SUVs in the Chevrolet and GMC lineups. It was a very capable engine that made 255-302 horsepower and 283-305 lb-ft of torque completely stock. Still, even with its impressive power numbers it often felt quite sluggish and pedestrian when hauling such heavy vehicles….

Ultimate Chevy 4.8 Vortec Engine Guide
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Ultimate Chevy 4.8 Vortec Engine Guide

Now retired, the General Motors/Chevrolet 4.8 Vortec engine (or Vortec 4800) earned a reputation for itself as a solid and reliable power plant for nearly two decades. GM produced the engine from 1999–2014, and primarily used it to power the Silverado/Sierra 1500, Tahoe/Yukon, and Express/Savana. Depending on the specific vehicle and year, the engine produced…

1999-2006 Chevy Silverado & Sierra Fuse Box Diagram
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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…

Chevy 4.8L Vortec Common Engine Problems – Vortec 4800 V8
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Chevy 4.8L Vortec Common Engine Problems – Vortec 4800 V8

The 4.8 Vortec is a small-block V8 engine produced by General Motors from 1999-2013. The engines spanned from Gen III to Gen IV of the Vortec series before being phased out after 2013 in favor of the 5.3 Vortec with Active Fuel Management. The 4.8 Vortec had three different variations throughout its lifespan: These engines…

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1999-2006 Chevy Silverado Brake Line Failure & Routing Diagram

The brake lines in 1999-2007 GMT800 Silverado’s, Sierra’s, and Suburbans are very prone to rusting out and needing replacement. For individuals who live in “salt” states, where cities commonly salt the roads to prevent ice, the brake line rusting is even more common. In 2010, a class-action lawsuit was filed as rusted brake lines were…

The 8 Most Common Chevy Silverado & Sierra Problems (2007-2013 GMT900)
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The 8 Most Common Chevy Silverado & Sierra Problems (2007-2013 GMT900)

The 2nd generation, dubbed the GMT900, Silverado’s and GMC Sierra’s were produced from 2007 to 2013 in regular, extended, and crew cab. Unlike many trucks today, all trucks in the GMT900 platform had small-block Vortec V8 engines, ranging from 4.8L to 6.2L. The GMC Sierra is an identical platform to the Silverado, using the same…