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

The 4.8 Vortec produced solid power levels for its time, but would certainly be considered underpowered for todays era. Fortunately, this is an LS-based engine platform and it can handle some decent additional power with a few bolt-on upgrades and some boost. In this guide we’re going to cover how you can build a 450whp+…

5.3 Vortec Cold Air Intake Upgrade Guide
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5.3 Vortec Cold Air Intake Upgrade Guide

If you’re looking to add some extra horsepower and torque to your 5.3 Vortec then a cold air intake is a great bolt-on modification. An intake upgrade can add up to 15hp and torque when tuned, offering some decent power gains in addition to a number of ancillary benefits like better throttle response and improved…

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

Now retired, GM’s 4.8 Vortec engine earned a reputation for itself as a solid and reliable power plant for nearly two decades. With no AFM, minimal problems, and a strong block capable of over 500hp the 4.8 Vortec was a great engine. We’re covering the engine in depth starting with the history, specs, and technical…

7.4 Vortec Performance Upgrades Guide
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7.4 Vortec Performance Upgrades Guide

The 7.4 Vortec put down 290 horsepower and 410 lb-ft of torque which is nothing crazy for a 454 cubic inch engine. Fortunately, GM overbuilt these engines and then underpowered them, leaving a ton of room for performance upgrades. With internals that are good for over 800hp and a block that can handle more than…

The 5 Best 4.3 Vortec Performance Upgrades
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The 5 Best 4.3 Vortec Performance Upgrades

The 4.3 Vortec has garnered a reputation for its reliability and durability. While the engines aren’t the most popular or robust for performance upgrades, there is some room for improvement and power gains with a few bolt-on modifications. With the factory internals limited to around 300whp, we’re going to discuss five upgrades that can get…

8.1 Vortec Performance Modification & Upgrade Guide
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8.1 Vortec Performance Modification & Upgrade Guide

The big 8.1 Vortec came with pretty good power levels from the factory. However, just a few bolt-on modifications like tuning, intake manifolds, headers, camshafts, and cylinder heads can add some impressive horsepower and torque. The engine can handle about 550whp before needing some more advanced upgrades like internals. We’re going to cover five modifications…

Ultimate 6.0 Vortec Engine Guide
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Ultimate 6.0 Vortec Engine Guide

GM’s 6.0 Vortec engine was one of their longest running and most successful engines, spanning from 1999-2019. The engine was used across their spectrum of vehicles, from SUV’s and half-ton trucks as well as being the Duramax alternative all the way until it’s retirement in 2019. The engine spans multiple generations and engine variations. We’re…

Ultimate 5.3 Vortec Engine Guide
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Ultimate 5.3 Vortec Engine Guide

General Motors/Chevrolet produced the 5.3 Vortec engine for nearly two decades from 1999–2014. It spanned two generations of their small block V8, and was finally succeeded by the 5th Generation EcoTec3. Known for its reliability, performance, and stout design, the 5.3 Vortec engine was hugely successful. Though it was discontinued nearly a decade ago, the…