事情沒有那麼簡單. vvt-i只針對進氣閥門的正時做變換. Dual vvt-i則是進氣、排氣閥門都可做正時的變換. Honda的vtec及i-vtec則又是不同的方式，不僅僅是命名不同. 2008-12-02 10:25 #5. 0. 引言. 我要留言. This eliminates pumping loss (where the cylinders are sucking against a closed intake manifold) and gives finer control over the mixture. Vtec is a variable valve lift (how far the valve opens). VVT is variable valve timing (how soon/late the valve starts opening in relation to the crank position). i-Vtec has both. Vanos (or variable Nockenwellensteuerung) is BMW's take on VVT and was first introduced on the M50 engine within the 5-series of the 90s. It also uses cam phasing but with a helical gear within PERBEDAAN SERTA KELEBIHAN DAN KEKURANGAN MESIN VVTI DAN DUAL VVTI I PILIH MANA VVTI ATAU DUAL VVTI - YouTube 0:00 / 11:02 PERBEDAAN SERTA KELEBIHAN DAN KEKURANGAN MESIN VVTI DAN Video yang menjelaskan perbedaan VVT dan VTEC secara detailUntuk Kerjasama silahkan ke rizkifr@aol.com 05h7ZRT.

single vvti vs dual vvti