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 ...

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 ...