Active cylinder configuration for an engine including deactivating engine cylinders

A vehicle system, comprising:

• an engine including a block and a cylinder head, and a total actual number of cylinders included in the block, the cylinder head including a first actual total number of deactivating valve operators in a first configuration, the cylinder head including a second actual total number of deactivating valve operators in a second configuration;
• and
• a controller including executable instructions stored in non-transitory memory to deactivate a first actual total number of cylinders and change an engine firing order while deactivating the first actual total number of cylinders, where a first cylinder is activated and a second cylinder is deactivated to change the engine firing order while deactivating the first actual total number of cylinders, where the first actual total number of cylinders is a constant value, where engine cylinders are deactivated via holding cylinder poppet valves in closed states while the engine rotates over an engine cycle, and additional instructions to cease fuel flow to deactivated cylinders and adjust boost pressure provided via a turbocharger in response to a request to activate an engine cylinder.