Is Engine brake safe to use for engine?

[Rawze]

The engine brake can cause harm to the engine if someone has jacked with engine brake settings in the programming. The typical bad delete programs that people use are notorious for this kind of crap.

Aside from that, if the engine brake and engine programming is still factory set, then ...

The negative hp that the engine brake absorbs from the truck and load does not do cause any more engine wear than the same amount of positive torque/power when pressing the fuel pedal. matter of fact, since there is no fuel being applied, there is slightly less wear.