Current date/time is Wed May 23, 2018 12:21 pm



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  • TVIS

    Summary: A set of butterfly valves that is located between the intake manifold and cylinder head. It uses vacuum to activate at a certain engine revolution. This technology help a inline 4 to be more proficient as it provide a good velocity and volume of air at a low and high revolution speed. during low engine revolution the valves will close half the runners allowing for a better air velocity and high engine revolution the valves will open to give it more air volume thus creating a nicer torque curve.
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  • VVT

    Summary: The VVT system is a 2-stage hydraulically controlled cam phasing system
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  • VVTI

    Summary: Varies the timing of the intake valves by adjusting the relationship between the camshaft drive (belt, scissor-gear or chain) and intake camshaft.
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    Summary: Dual VVT-i which adjusts timing on both intake and exhaust camshafts.
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    Summary: (Variable Valve Timing and Lift intelligent system) is a version that can alter valve lift (and duration) as well as valve timing.
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  • VVT-IE

    Summary: (Variable Valve Timing - intelligent by Electric motor) is a version of Dual VVT-i that uses an electrically operated actuator to adjust and maintain intake camshaft timing. The exhaust camshaft timing is still controlled using a hydraulic actuator.
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  • Valvematic

    Summary: It offers continuous adjustment to lift volume and timing
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  • ACIS

    Summary: Acoustic Control Induction System uses a single intake air control valve located in the intake to vary the length of the intake tract in order to optimize power and torque, as well as provide better fuel efficiency and reduce intake "roar"
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TEQ VDR :: Engine :: TEQ TECH

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