The original system used a simple feedback mechanism to control vane
position, very little logging capability was incorporated and there was no ability to log environmental variables.
Each supplier will have two control valves - one for the automated control, and a second to monitor high pressure in the event of failure in the primary control vane
or its operating system.
This all-aluminum engine, built at the Ford Essex Engine Plant in Windsor, Ontario, also features Ti-VCT, but whereas the V6 system uses electronic solenoid valves to direct high-pressure oil to control vanes
in each of the camshaft sprocket housings, the V8's system is actuated by camshaft torque, with assistance from pressurized oil.
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