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.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
Wish you bought a 6.2 EcoTec3 instead? Just kidding, the 5.3 is an awesome platform that can be even better with the addition of some performance upgrades. Some tuning and E85 fueling can get the 5.3 EcoTec3 close to the power of a stock 6.2. Toss a few other bolt-ons in there and next thing... The post The 5 Best 5.3 EcoTec3 Performance Upgrades appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
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.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado