More in Vehicle Test Drives

  • Jul 31, 2013
    video
    WardsAuto

    '14 Chevy Impala Intake Valve Lift Control

    In a nutshell, iVLC is an advanced form of variable valve timing. Unlike older engines that open and close intake valves the same way all the time, the Impala’s iVLC opens and closes the intake valves by varied amounts....More

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