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…

Duramax LMM Tuning Guide
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Duramax LMM Tuning Guide

Engine tuning is the best performance upgrade for a Duramax LMM. A simple plug-and-play tuner, or custom tuning, can easily add over 100+ horsepower and 200+ torque. Additionally, you get a number of other benefits like increased gas mileage, better towing, transmission tuning capabilities, and a more efficient engine overall. There are a lot of…

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…

The 5 Best 5.3 Vortec Performance 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…