Later this year, Toyota will be launching its newest variable valve timing innovation, evolving the old-school VVT-i setup to form a new system dubbed Valvematic. This new mechanism will manipulate the intake valve lift volume, adjusting the level of sacrificial oxygen molecules to increase both performance and fuel efficiency.
According to Toyota, Valvematic will increase power output by ten-percent, while at the same time increasing fuel efficiency anywhere between five- and ten-percent.

The first application of Valvematic will be employed in a new 2-liter engine, set to debut in the fall of 2007, with the rest of the Toyota lineup getting the new system by 2010.

[Source: PaulTan.org]

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