Yeh, to be on the safe side, I would suggest injectors, fuel reg and probly invest in a good fuel filtration system lol. Judging by the mods he wants a bit of power from it. There is plenty of places to get tunes here in Canberra. I believe ed from Autotech is a Haltech Rep, so probly see him. Or ESP I reckon would know their way around a Haltech and Trojan are Skyline specialists...