Water Injection Schematic - following on from an earlier thread
The above diagram shows how the MF2 controller and water injection components are connected together in 2-D mode. If 3-D mapping is required, the manifold pressure switch is replaced by either a MAP (manifold Absolute Pressure) sensor or a Throttle Angle Sensor.
Water jet locations has a large effect on determining the cooling functions of water:
Position A on the above diagram is for detonation control and improving the volumetric efficiency of the induction stroke as water cools the cylinder walls prior to the entrance of incoming charge air.
Position C is suitable for road cars due to the effect of water on 'water/air' intercooling and detonation control.
Position B is for racing use only as maximum intercooling is the prime concern especially on a hot day, most of the in-cylinder detonation control is done by fuel dumping.