neko. I think, when it comes to the mr2 engine compartment, its the Dual vvt-i head thats the problem. The cam setup interferes with the strut tower. at least that seesm to be the commonly held belief. however, the beams/4th-gen 3sge head has single vvt-i. Mods: Alpine audio, Aeroware front, sides, and spoiler, custom rear, 94+ Tailights, K&N The Dual VVT-i 4.0 V6 engine found in the 09+ models is smooth, quiet, and reliable with engine longevity easily reaching over 200,000 miles (320,000 km). It's no secret that regular maintenance and using high-grade oils and lubricants is the key to reliability on almost any engine. Sure, some engines are more prone to mechanical and Location. PA. Jul 27, 2010. #3. VCT = Variable Cam Timing. A system that makes the valves open and close earlier or later in the piston cycle by changing the "phase" of the camshaft. VVT = Variable Valve Timing. A general term for any system that can make the valves open and close earlier or later in the piston cycle, whether through cam Male. New Orleans, LA. 2005 4.0 6spd 4x4 Dbl Cb short bed. nd4spdbh said: ↑. Wouldnt be worth your time money etc. While it might bolt up 90% of the way that extra 10% is going to chew 90% of your time and money. All for really not much. Stick with a single VVTi or if you are going to do a swap do a better swap. Sudah hampir dua dekade Toyota terutama menggunakan teknologi VVT-i atau variable valve timing with intelligence. Tepatnya mereka menggunakan menerapkannya pada tahun 1991-an. Pertama kali mesin dukgDD.

single vvti vs dual vvti