Justin, what the heck is going on with your injectors man? I didn't know you were having to change them so much. Still Warren injectors right? Is he helping you through? Has he offered any advice on what it might be?
Do you have custom tuning yet? I wouldn't even bother with the FICM tuning until you do. Know anyone looking for an SCT, I can get one pretty cheap from a local gal. X3 for $250. Also if your current FICM is pumping out 48V, I don't see how going with a tuned FICM or a 58V FICM is going to help any of your issues. Are you monitoring fuel pressure? Have you watched ICP's at all?