Carburetor To FI Change?

Anything is possible, but it would be complicated and VERY expensive. Remember, the FI system relies on input from many sensors in order to adjust the fuel/air ratio and quantities. All of these sensors, the wiring, the ECU itself and other ociated parts would be required to make it work. For instance, if there is a sensor in the exhaust pipe, you would need the correct pipe with the fitting to which the sensor is attached.