Mate all sr20 turbo,s are for 2lt not 1.4 lt all are too lagey you need a nissan exa turbo (t02) it will suit the motor the best but still as hard to fit i can do pipe work if your in the sydney area
Im running 17psi and not a lot of timming keep in mind its got 10.5:1 comp + the 17psi which= to 19:1 calculated comp ratio + a after market fuel pressure regulator to add 10psi to the fuel rail all genuine nissan products