The VCN-750 Nitrous System is a computer controlled nitrous system. The heart of the system is the VCN-750 control module, which controls the flow of nitrous and fuel to the engine when the system is active. Most importantly, the module maintains the proper air fuel ratio at any bottle pressure and will terminate the flow of nitrous to the engine should the air fuel ratio become too lean.
HIGHLIGHTS – KEY POINTS
DRY NITROUS SYSTEM
EASY – FAST INSTALLATION
ACTIVATES WITH PUSH OF A BUTTON AT WIDE OPEN THROTTLE
COMPUTER CONTROLLER MONITORS SYSTEM FOR ANY FAULTS
INJECTS EXTRA FUEL THROUGH VEHICLE’S STOCK FUEL INJECTORS
PROTECTS ENGINE FROM RUNNING TOO LEAN
SHUTS OFF NITROUS IF FUEL MIXTURE GOES LEAN
DASH MOUNTED L.E.D. SYSTEM MONITOR
ADJUSTABLE POWER LEVELS WITH EASILY CHANGED REPLACEMENT NITROUS NOZZLES
ADJUSTS FUEL MIXTURE AS NITROUS BOTTLE PRESSURE CHANGES
SYSTEM WORKS ON NEW VEHICLES WITHOUT FUEL RETURN LINES
>SYSTEM OVERVIEW
The VCN-750 Nitrous System is a computer controlled nitrous system. The heart of the system is the VCN-750 control module, which controls the flow of nitrous and fuel to the engine when the system is active. Most importantly, the module maintains the proper air fuel ratio at any bottle pressure and will terminate the flow of nitrous to the engine should the air fuel ratio become too lean.
>The VCN-750 module is designed so that when the ignition is turned on the system will power up, when this occurs the Blue LED will light up for 2 seconds then go out. Once the engine is started the module will perform an Oxygen Sensor test. During the Oxygen Sensor Test the Blue Light will be off. After the module has determined the Oxygen sensor is warmed-up and functional, which can take up to 2 minutes, it will go into ready mode. When this occurs the Blue LED will flash 5 times indicating the system is ready. In this mode, the module will continually monitor the throttle position. If the module senses that the throttle is wide open and the push-button switch is engaged, it will activate the nitrous solenoid and nitrous will flow into the engine. The Blue LED will come on solid when the nitrous is being injected. The amount of nitrous is controlled by the installation of different sized nozzles at the throttle body. As nitrous is injected into the engine the module will monitor the Oxygen Sensor and will maintain the proper air fuel mixture through the vehicles fuel injectors. The nitrous will continue to flow into the engine until the throttle is released or the push-button switch is disengaged. Once the nitrous is deactivated the Blue LED will turn off. If the module automatically terminates the nitrous because the air fuel mixture is too lean, the module will flash “trouble code 3” using the Blue LED. This will be indicated by 3 flashes followed by a pause, which will repeat continually. If this occurs the ignition will need to be cycled off and then back on in order to reboot the module. If this occurs, refer to the troubleshooting section for instructions.
