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Zane Merva Executive Editor, GM-Trucks.com 5/18/2018 As it turns out, the leaked figures for the 2019 5.3L and 6.2L V8 engines wasn't far off. That's the good news. The bad news is the SAE certified horsepower and torque will match 2018's numbers exactly. But that doesn't mean the 2018 and 2019 engines are the same. Instead of the 2018's Active Fuel Management, which allows the engine to switch between four and eight cylinders, the 2019 V8's have Dynamic Fuel Management. DFM can adjust the firing cylinders in up to 17 different ways. Theoretically, that should mean improved fuel economy at the same power output. Chevrolet hasn't released any fuel economy numbers yet, so that is just a theory. But if you really like the 2018 5.3L V8 and want to buy it again with the 2019 Silverado, fear not. You can option it with a six-speed transmission for WT, LT, and LT Trail Boss trims. -------------------- 2019 CHEVROLET SILVERADO 5.3L WITH DYNAMIC FUEL MANAGEMENT SPECIFICATIONS Type: 5.3L V-8 VVT DI with Dynamic Fuel Management Bore & Stroke (in / mm): 3.78 x 3.62 / 96 x 92 Block Material: Cast aluminum Cylinder Head Material: Cast aluminum Compression Ratio: 11.0:1 Firing Order: 1-8-7-2-6-5-4-3 Valvetrain: Overhead valve, two valves per cylinder, variable valve timing Fuel Delivery: Direct high-pressure fuel injection with Dynamic Fuel Management Ignition System: High-energy coil-on-plug Horsepower (hp / kW @ rpm): 355 / 265 @ 5600 rpm (SAE certified) Torque (lb.-ft. / Nm @ rpm): 383 / 519 @ 4100 rpm (SAE certified) Manufacturing Location Tonawanda Engine Plant, Buffalo, N.Y. 2019 CHEVROLET SILVERADO 6.2L WITH DYNAMIC FUEL MANAGEMENT SPECIFICATIONS Type: 6.2L V-8 VVT DI with Dynamic Fuel Management Bore & Stroke (in / mm): 4.06 x 3.62 / 103.25 x 92 Block Material: Cast aluminum Cylinder Head Material: Cast aluminum Compression Ratio: 11.5:1 Firing Order: 1-8-7-2-6-5-4-3 Valvetrain: Overhead valve, two valves per cylinder, variable valve timing Fuel Delivery: Direct high-pressure fuel injection with Dynamic Fuel Management Ignition System: High-energy coil-on-plug Horsepower (hp / kW @ rpm): 420 / 313 @ 5600 rpm (SAE certified) Torque (lb.-ft. / Nm @ rpm): 460 / 621 @ 4100 rpm (SAE certified) Manufacturing Location Tonawanda, N.Y.
