Just a last thought, there is a fuel injector relay....try checkin' it? If you have a multimeter, have someone crank it while you seem if there's voltage coming to the injectors. There's a strong possibility the fuel injector resistor box could be bad. Did you use the one that was on your car? or the one out of your buddies? It could have been shorted out during install. You can test the resistance on the leads coming out of it to determine if it's bad. Also make sure non of your fuses are bad... I'm trying to help ya man..I feel the pain

P.S. you probably know, but the injector relay looks like a little metal box with a heatsink on top.