Be careful with those blitz units...they are very good but typicaly tuned for the GTR 440cc injector upgrade and cannot be retuned without a chip burn...I have one 4 sale:mrgreen: I dont have personal experience withe AEM or motec as I run a Power FC. I love the FC and am hooking up a FC boost controler shortly. The power FC integrates the boost controler so I can monitor and control boost via the hand controler or laptop.
As far as injector sizes..all depends on anticipated power output. Many run the GTR 440cc injectors ....I have a set for sale:mrgreen: ....and find them more than enough , unless you are going huge power and perhaps drifting and drag racing all the time the 700cc units a probably WAY over kill. I run SARD 550s and the FC tells me that Im not even close to reaching their 550cc capacity..NOT EVEN CLOSE!
Why Sard 550s......because I got a great deal and didnt want to deal with cleaning and matching GTR injectors. I bought the Blitz ECU and GTR injectors before I realy knew what I wanted to do......and before I discovered Greddy FC.
Your set up is simiar to mine., except I run a RB25 turbo..well done.
What is the max boost levels with the Turbo T70 Stage III? I will probably upgrade my turbo next year as the RB25 unit handles no more than 12psi. After that the ceramic turbine goes KAPOOEY! It is BB?