Ultimate 4.3 Vortec Performance Parts Guide
For more than three decades, Chevrolet’s 4.3 liter V6 engine, also known as the 4.3 Vortec or Vortec 4300, powered a variety of trucks and sedans across the Chevy and GMC lineup. These ranged from trucks like the Chevy S10, Silverado, and Avalanches, to muscle cars like the Chevrolet Monte Carlo, El Camino, and Pontiac…