It is a 24-valve DOHC engine with two belt-driven camshafts and a dual-stage intake manifold. 1JZ-GE 1996 Toyota Mark II Grande G (X90) shown with a 1JZ-GE The adoption of VVTi, a much higher efficiency single turbocharger than the twins as well as different manifold and exhaust ports were responsible for most of the 50% torque increase at Denso Iridium Power Pack. Bagi pemilik Avanza/Xenia dual VVT-i, Denso menyediakan Iridium Power Pack. Busi ini sepertinya diperuntukan khusus untuk mobil dengan mesin berteknologi dual VVT-i. Memang jika kita menilik tentang teknologi VVT-i vs Dual VVT-i nyaris sama. Tetapi ternyata perbedaanya juga banyak. I see some Corolla have written Dual VVTI and in some single vvti, whats the difference? faiz.aslam.121 (Faiz Aslam) 2014-08-29 03:27:47 +0500 #2. Visual difference between 2009-2014 model is only the backlights. The dual vvti is in fact Corolla Altis with the 1.6 liter engine. Those emblems are cheap, so wannabe altiss' with xlis just slap Beams redtop has single vvti. makes 200ps or 197bhp. i don't know much about it, but the swap is one of the most complex 3s swap to do on the mr2. there are also non colored Beams or grey Beams out of the caldina's and such the made 190bhp with single vvti. black top Beams out of the altezza has dual vvti and made 210ps. For example pretty much every engine now in Toyota's car & truck engines, with the exception of the Yaris (which still has a 1.5 L with Single VVT-i), has Dual VVT-i and a few other goodies to make them more efficient, powerful, durable (in theory anyways), etc. VNVz.

single vvti vs dual vvti