I am rebuilding my motor. Boring the cylinders 40 over with forged internals wiseco and eagle. I already have a walbro 255 accel 505cc injectors afpr and I plan on running mega squirt 2 for management and tune. My question is is that all I will need to run the car the way it should and not lean out or am I missing something. Possibly what's a good amount of boost I can run with this setup using a turbonetic t3/t4 turbo. This is my first eclipse and first build.

You need an afpr with ms and those injectors are too small they will be maxed out at around 15psi if that.