Currently I have 460cc low impedance injectors on my D15B 14bturbo setup. I have all my parts ordered and i'm getting installed 16g evo III turbo, 75.5mm overbored YCP Vitara pistons with Forged I-Beam rods, Stage 2 Crower Turbo Cam + Crower Titanium Retainers & Valve Springs, 3 Bar map sensor, Walbro 255, and new injectors.
What would be an appropriate sized injector for this turbo? I will have a boost controller and I was told the stock internal wastegate on this turbo is around 14psi, I'll use the boost controller to about 22psi for hi-boost but will normally run around 14. The injectors I'm looking at are Precision Low Impedance, I was thinking around 500cc but I really have no idea, any help will be appreciated.

 

I would go with 510cc injectors. Those will give you plenty of feul for up to 400whp plus some