Throughout the decades that followed its inception, the Chevy 4.3L V6 — also called the Vortec 4.3 or Vortec 4300 — saw a series of changes to improve power output and efficiency and address ...

In 1998, the GMC Envoy was introduced as a luxury version of the mid-sized sport utility Jimmy. Standard equipped with four-wheel drive the 1998 GMC Envoy was powered by a 4.3-liter Vortec V-6 engine ...