abstract:MIVEC (Mitsubishi Innovative Valve timing Electronic Control system)"Latest MMC technologies and near-future goals", Mitsubishi Motors website is the brand name of a variable valve timing (VVT) engine technology developed by Mitsubishi Motors. MIVEC, as with other similar systems, varies the timing of the intake and exhaust camshafts which increases the power and torque output over a broad engine speed range while also being able to help spool a turbocharger more quickly.