5.3L V8 EcoTec3 with eAssist L8B News

The L8B is a 5.3-liter V8 gasoline engine with a mild hybrid eAssist system produced by General Motors for use in trucks. Part of the first-generation EcoTec3 engine family, the engine was launched on the 2017 Silverado 1500 and 2017 Sierra 1500. This page displays news, pictures, videos, reviews, gossip and more about the GM 5.3L V8 L8B eAsisst engine.