What engines have active fuel management?
What engines have active fuel management? These four engines are the Vortec 5.3-liter V-8, Vortec MAX 6.0-liter V-8, 3.9-liter V-6 and 5.3-liter small-block V-8. Vehicles that are available with Active Fuel Management include the Chevrolet Avalanche, Chevrolet Impala, Chevrolet Silverado, Chevrolet Suburban,Chevrolet Tahoe and Chevrolet TrailBlazer. What kind of engine does a 5.3L have? High-Flow Cylinder Heads and Valvetrain: The 5.3L’s cylinder heads feature “cathedral”-shaped intake ports that promote exceptional airflow. They support great airflow at higher rpm for a broader horsepower band, along with strong, low-rpm torque. When did the 5.3L Vortec engine come out? The Gen IV version...