The Ecotec3 L83 is a light truck version of the fifth-generation small block Chevy engine. It is found in the 2014-2019 Silverado 1500 and GMC Sierra 1500 pick-ups as well as the 2015-2019 Suburban, ...
Many GM engines share similar RPO codes; multiple different blocks are known as LS6 or LT1. But there's actually a reason as ...