Oem is very different to aftermarket when it comes to epa shit.
Current Hsv gts also has a supercharger...doesnt mean I can fit a blower to my v8 commodore and be legal
Dont let the nissan out!!
Leave the short motor alone unless you plan for something way bigger than -9s
Rear head drain bs isnt needed.
Have a vent from the sump welded in and plumb to the catch can
Clearly op needs a monster mech fuel pump and moran methanol injectors.
Actually
Enderle mechanical injection setup would would really well.
Put a solid pill in the reg and keep winding boost in until afrs are ok