While it's not the most famous engine Chevrolet ever made, the 4.3L V6 powered several of its best cars for 30 years and continues to be an influence today.

Available with rear-wheel or four-wheel drivetrains, the GMC Sierra 1500 Classic came featured a choice of three Vortec engines. The base powerplant offered on the 2007 Sierra 1500 Classic was a ...

Standard equipped with four-wheel drive the 1998 GMC Envoy was powered by a 4.3-liter Vortec V-6 engine connected to a four-speed automatic transmission. Lavishly equipped, the 1998 Envoy included ...