Technician A says that when valve lift reaches 25% of the port opening, maximum airflow is achieved. Technician B says the more a spring is compressed to lift a valve, the more pressure it exerts resulting in increased reliability. Who is right?

Question

Quizplus · Accepted Answer

Technician A is correct because maximum airflow is achieved when valve lift reaches 25% of the port opening.

Technician a Says That When Valve Lift Reaches 25% of the Port