car not running right...

[DSM1G]

I just put 550cc injectors in my car and now it does not run good at all. It starts up and then kills. If i give it gas it will stay running but run rough. I played with the SAFC, but nothing seems to be right. I checked all the vacuum lines, fuel lines, and spark plug wires and everything is plugged in. I even took the fuel rail back out a second time and checked to see if all the injectors were spraying, and they all were. Anyone know what my problem could be?
Its on a 93 eagle talon tsi FWD, at.
mods are: QPR built motor, evo3 big 16G turbo, walbro 255 fuel pump, IPT torque converter,SAFC, ported 2G exhaust manifold, 2.5 custom downpipe to 3inch exhaust with high flow cat, K&N filter, boost gauge, egt gauge, and now 550 injectors.

Thanks,
Adam