By controlling the exhaust bypass valve (waste-gate), the Trust Variable Valve Control (T.V.V.C.) allows the driver to adjust the turbo's boost pressure to the desired level. A special lock-out feature ensures against undesired boost level changes. This high quality precision manual boost controller is one fo teh most cost effective methods of raising boost pressure for more horsepower. The TVVC can be used as a regulator of bleed-valve depending on wastegate arrangement.
