Technician a Says on a Pushrod Engine, the Lifters Do

Multiple Choice

Technician A says on a pushrod engine, the lifters do not need to be replaced when the camshaft is replaced. Technician B says when replacing a roller camshaft, the lifters must be replaced. Who is correct?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician