Originally Posted by Croustibat

With 15lbs of boost you should be ok at .30. That should be your normal gap. If you know your coils are aging, you can reduce it a bit to compensate.
I had to go .25 when i reached 18psi on that turbo, and i sometimes boost up to 23psi now without problems. But i run e85 so have no det or temp problem. You would start to have issues doing this with regular fuel.

As far as the pump goes, get a walbro (a real one) GSS341-HP (High Pressure) is the one you want, it is nearly bolt on.

Dont forget to buy a new Oring from nissan for the fuel tank, because you wont be able to put back the fuel pump assembly with the previous one (it expands a lot. You could also cut it but ... meh.). cost is around 12$ .