The 4.3 EcoTec3 is the smallest engine of the EcoTec engine family, and also the only V6 available. It’s smaller size of course results in a good bit less power and towing capacity than you get out of the V8’s in the family. While the 4.3 EcoTec3 is built the be heavily modified, there are... The post Ultimate Chevy 4.3 EcoTec3 Performance Mod Guide appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.
