The 6.2 EcoTec3 is the biggest and most powerful engine offered in half-ton trucks. While it’s got a good amount of power, what’s not fun about adding some more? With just a few basic bolt-on modifications you can get the 6.2 EcoTec3 up to around 500whp, at which points aggressive cams or forced induction will... The post Ultimate Chevy 6.2 EcoTec3 Mods Guide appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.