众所周知，VTEC（Variable Valve Timing and Lift Electronic Control System，可变汽门正时及升程电子控制系统）一直是本田引以为傲的发动机技术，也是目前最成功的可变阀门机构代表之一。VTEC能够改变气门开关的扬程和开关时间的长短，对于发动机提高性能和获得更佳的 ...

The heart of most vehicles today, the internal combustion engine has advanced significantly over its century long history. This series outlines some of the key innovations in engine technology before ...

The language of import performance can be strange. Sometimes it's a verbal stew of numbers and letters--RX-8, NSX, and MR2, for example--that seem randomly tossed together. At other times it adopts ...

March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

BorgWarner has patented a variable cam timing phaser with a lock pin that acts as a shutoff valve, preventing oil leakage from advance and retard chambers. This innovation maintains oil in the phaser ...