AIC1-G4H Gauge Pressure, 4 Hi Z Additional Injector Controller

$ 350.00

SKU: AIC1-G4H Category:

Product Description

This product will soon be discontinued.

The AIC1-G4H is a laptop programmable additional injector controller.  It is programmed with the Split Second R4 engine management software. It controls four high impedance injectors from atmospheric pressure up to 26 psi of boost.  When supplied with a true-tach trigger signal, the additional injector can be set to pulse at the ignition rate of the engine.  This insures even distribution of fuel to all cylinders.

The AIC1 is generally used with engines that have been converted to forced induction with the addition of a turbocharger or supercharger. The AIC1 gives the user a convenient way to set the fuel mixture for proper air/fuel ratio in the boost region. The approach of running additional injectors is well suited for late model applications with ECUs that have very tight control over fuel mixture. The fuel system can operate completely stock in the vacuum region and the AIC1 can provide the additional fuel required in boost.

The AIC1-G4H comes pre-wired with EV1 connectors.

The R4 software included may have issues running on Windows 11. See the tech note “Run the R4 Software on Windows 11” for more information.

Legal only for racing vehicles which may never be used upon a highway.

Click here to view the AIC1 Additional Injector Controller Data Sheet.

Click here to view the AIC1 General Installation Instructions.

Tech Notes

Click here to view the Getting Started with the R4 Software Tech Note.

Click here to view the Running the R4 Software on a USB Port Tech Note.

Click here to view the Piggyback Tuning Tech Note.

Click here to view the Setting up Auxiliary Inputs in R4 Tech Note.


Click here to view the Bored & Blown Article in the December 2007 issue of Eurotuner.

Project Cars

Click here to view the BMW E46 M3 Supercharged Project Car.

Click here to view the Toyota Matrix Supercharged Project Car.

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