Dual Variable Valve Timing with intelligence (VVT-i) on both the intake and exhaust camshafts that helps it achieve "outstanding performance and economy" is the major change for the 2009 1.8
2008 Corolla 1.8 specs
10.0:1
Horsepower hp (kW) 126 (94) @ 6,000 rpm
Torque lb.ft. (N.m.) 122 (166) @ 4,200 rpm
2009 Corolla 1.8 specs
10.0.1
132 hp at 6,000 rpm
128 lb.-ft. of torque at 4,400 rpm.
However, this is the definition of a new Toyota 4 banger. Essentially going the same route like BMW's valvetronic.
Tokyo, Japan - Toyota Motor Corporation has announced its development of Valvematic, a variable valve lift mechanism that combines the company's VVT-i (Variable Valve Timing-intelligent) with a new mechanism that continuously controls the intake valve lift volume.
By adjusting the volume of air taken in by intake valve lift, Valvematic ensures optimal performance based on the engine's operational condition, and achieves both high fuel efficiency and performance. In the case of a new 2.0-litre engine developed by the company, Valvematic improves fuel efficiency by 5 to 10 per cent, reduces CO2 emissions, boosts output by at least 10 per cent, and enhances acceleration responsiveness.
The company says it plans to introduce Valvematic shortly, starting with a new vehicle model featuring a 2.0-litre engine. Toyota also says it plans to completely revamp its gasoline engine and transmission line-up by 2010.
Valvematic, an evolution of the VVT-i mechanism which now incorporates continuous valve lift control together with VVT-i’s existing valve timing control. Valvematic also eliminates the need for a throttle valve, instead controlling the volume of intake air using valve lift instead.
