2019 Chevy Silverado 5.3L V8 Prototype Drive | Trying out Chevy's V8-7-6-5-4-3-2-1. ... So in the firing order, every third cylinder fires, and the two preceding and following are shut off.

The new system for the Silverado’s 5.3-liter and 6.2-liter V-8 engines builds upon Chevy’s active fuel management system, which takes the V-8 to a V-4 depending on how much torque is needed ...