The Power FC Pro Spec has been designed for drag racing use. These units have additional functions over the standard version.
*Ignition cut used for rpm limiter - Regular Power FCs cut fuel feed when the preset revolution limit is reached. At high rpm, there is the possibility of knocking when the fuel is cut in high powered cars. The Power FC Pro Spec.CPUs cut ignition at the rpm limit to prevent the
*knocking that could potentially destroy the engine.
0km/h rpm limiter setting - Allows for the setting for an initial rpm limiter that is active whilst the car is not in motion. This allows for mainting a rpm level for consistent launches.
Also the serial numbers