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…

Chevy 4.3L Vortec Common Engine Problems
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Chevy 4.3L Vortec Common Engine Problems

The 4.3 Vortec suffers from common problems such as ICV valve and TPS sensor failure, intake manifold leaks, distributor failure, port injection leaks, engine knock, and excessive oil consumption from AFM. In this article we are going to dive into each of the common problems in detail as well as discuss overall engine reliability of…