Jun 18, 2011 · So I've done some Extrapolating by look at current engines to ascertain how much power a hypothetical redesigned 2.7 liter 4 cylinder with Dual VVT-i...

Aug 7, 2019 · I am unsure how the Toyota (variable valve timing) VVT-iW and VVT-i work and what the differences are. " VALVE MECHANISM 1. General A high-expansion...

Jun 21, 2009 · anything special about haveing the " vvt-i " in our trucks?if so does toyota offer something of lesser grade?sure this sounds like a dumb question but...

Jul 11, 2012 · 1GR-FE Dual VVT-i: Valve Timing Intake Open -11° to 29° BTDC Close 71° to 31° ABDC Exhaust Open 60° to 25° BBDC Close 4° to 39° ATDC For the dual VVT-i system, there were vane-type actuators on the ends of the four camshafts. The intake side used a VVT-i controller with three vanes, and the exhaust side used one with four vanes. Intake ...

Aug 2, 2014 · VVT-I = V ariable V alve T iming + (Toyota's anonymous "i" designation that they add to some engine titles, such as the iForce V8 in the Tundra). Both VTEC and VVT-i are examples of variable valve timing, they're just the different trademark names of their associated brands. Variable valve timing allows for better fuel efficiency by controlling amount of time the …

Oct 5, 2011 · Could SOMEone tell me WHY Toyota insists on still making the SINGLE VVT-i (236hp) for the Tacoma, instead of just using the DUAL VVT-i (270hp) from the...

Jan 12, 2003 · This may show my lack of knowledge a little but can someone explain how exactly the VVT-I system works, and how does it play in w/ the ect. power button? 8)

Oct 10, 2009 · VVT-i is sort of like the best of both cam worlds, you can have a high hp, high rpm cam and a high torque, at low rpm cam on the same camshaft. It basically is the same as Honda's VTEC. Interesting fact it was actually Ferrari who originally used variable valve technology, way back in the mid 1980's!

Dec 31, 2015 · I'm looking at Fuelly right now and the average MPG for the recent years 4runner with the 4.0 Dual VVT-i V6 is about 18.0 MPG. The most recent Tacoma...

Jul 12, 2010 · P0022 VVT-i Problems (Toyota told me 3k in repairs) Discussion in ' 2nd Gen. Tacomas (2005-2015) ' started by BarefootBandit, Sep 12, 2017.