Will a engine in 2005 5.7 liter magnum lock up?

The 2005 5.7 liter Magnum engine does have the ability to lock up. The lockup feature is designed to improve fuel economy and reduce engine wear by engaging a clutch that connects the transmission directly to the engine's flywheel, bypassing the torque converter. This feature is typically engaged at higher speeds, such as when cruising on the highway, and can help to reduce fuel consumption by up to 15%.