Having run hundreds of tests on the. effect of 2-valve throttle body upgrades on everything from stock to supercharged combinations. (both centrifugal and positive displacement), it is safe to say that throttle body upgrades on the 2-. valve motors are a worthwhile endeavor.
VDC may refer to: In technology: Virtual design and construction, modeling software and techniques to design and evaluate possible construction processes; Volts of direct current; Video display controller, a computer graphics chip; Vehicle Dynamics Control, a means of increasing vehicle stability through a combination of throttle restriction and braking
Vdc is an acronym for Volts Direct Current. VDC is often shown on electrical schematics to indicate a connection to the positive side of a battery or other DC power source â¦ . In TTL logic, VDC is traditionally 5 volts and ground refers to Earth Ground (0 volts). 31 people found this useful.