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This is an engine specification guide for General Motors’ fifth-generation L83 and L8B engines that launched in 2014. These LT-based engines are commonly referred to as EcoTec3 5.3L engines. They are all-aluminum small blocks, both of which incorporate Active Fuel Management (AFM), Variable Valve Timing (VVT), and are flex-fuel capable (E85). The engines also use

The NHRA kicked off its 2018 season with the Lucas Oil NHRA Winternationals two weeks ago. We gave you a recap of the top NHRA class winners here, but here’s a rundown of the Sportsman class winners. (All images/Auto Imagery) Super Gas – Kevin McClelland  As the son of legendary NHRA announcer Dave McClelland, Kevin