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Recently, Toyota added a variable-lift component to its VVT-i system, called it Variable Valve Timing and Lift with Intelligence (VVTL-i), and is using it in the 180hp Celica GT-S. In this illustration you can see both the VVT-i controller (in light orange at the end of the intake cam) and the dual lobes for each pair of intake valves. View Related Article
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