Summary: Engine Order Code: L83; Engine Type: Gas/Ethanol V8; Displacement: 5.3L/325; Fuel system: Direct Injection; SAE Net Horsepower @ RPM: 355 @ 5600; SAE Net Torque @ RPM: 383 @ 4100; Engine Oil Cooler: Yes; Drivetrain: Rear Wheel Drive; Trans Order Code: MYC; Trans Type: 6; Transmission: Automatic; First Gear Ratio (:1): 4.00; Second Gear Ratio (:1): 2.40; Third Gear Ratio (:1): 1.50; Fourth Gear Ratio (:1): 1.20; Fifth Gear Ratio (:1): 0.90; Sixth Gear Ratio (:1): 0.70; Reverse Ratio (:1): 3.10; F ...