Preparations for Dsmlink Tuning?

[1G90AWDTsi]

Here's my issue. First off, I want to state I am a tuning idiot so I have to have a dsm mechanic to tune for me. I want to make sure before I go and waste his time and mine, that I have everything I need for my 90 awd tis. I had my ECU sent out and re-chipped and bought DSMLink. I had 750cc injectors installed and scaled for my stock fuel pump. I have HKS cams and a 16G turbo running "only" at stock boost. I will not be turning the boost up (long story). I was informed that the bottom end shoud be tuned more importantly right now than the top end. I am running very rich. Any info I should be aware of prior to tuning? Thanks - oh yea, I only have a stock O2 sensor and ported (stock) O2 housing.

 

[turbosax2]

A wideband o2 would be beneficial. Also, consider getting a map sensor too.