Gto na to supercharge

hello my name is Miguel and I have a gto in Mexico which came from Australia, the car is n / a but I would like to put a supercharger, the problem is that I have no idea how to solve the air-fuel mixture problems without using an ecu reprogrammable, I hope someone can guide me on my project and if someone has already done it, share your knowledge and help me give more power to my GTO, thank you.

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