Based on FC Hako, it looks like you have an RPS13 - 180sx SR20DET PowerFC L-Jetro. You will need to the use the 300zx or SR20 Mafs. If you use 300zx you will need to make that change.
https://fc-hako.com/pfc/technical/
Other than that, its picking up someone else's shit project, so good luck....