Technician A says all late model multi-valve engines are interference engines. Technician B says both inline and V-block engines can be interference engines. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because both inline and V-block engines can indeed be interference engines. The type of engine configuration (inline or V-block) does not determine whether an engine is an interference type. An interference engine is one where the piston can collide with the valves if the timing belt or chain fails, and this characteristic can apply to any engine configuration. Technician A's statement is incorrect because not all late model multi-valve engines are interference engines; it depends on the specific design of the engine.

Technician a Says All Late Model Multi-Valve Engines Are Interference