What does a dual VVT engine mean?

[Kaleb]

Dual VVT engine is a DVVT engine, which stands for Dual Variable Valve Timing. It incorporates VVT technology on both the intake and exhaust valves, further optimizing combustion efficiency. Below is a detailed introduction to the dual VVT engine: 1. The DVVT engine operates on a principle similar to that of a VVT engine, utilizing a relatively simple hydraulic cam system to achieve its function. The difference is that a VVT engine can only adjust the intake valves, while a DVVT engine can adjust both the intake and exhaust valves simultaneously. It features excellent characteristics of high torque at low RPM and high power at high RPM, making it technologically advanced. 2. The DVVT engine is an evolution and advancement of VVT technology, addressing technical challenges that VVT engines could not overcome. DVVT, or Dual Variable Valve Timing for both intake and exhaust, represents the most advanced form of variable valve timing system technology currently available.