You're not going to have 6 injectors go bad at the same time. It's not your injectors. Check for power to the injectors first. Does the tachometer work? Is the resistor in place on the blue wire to the tach? Is there power to the ECU? Check for power to the places that need power. The EFI (injection) system is separate from the ignition system, but it does use the coil negative terminal to determine when to inject. Search on "Pin 1".
Don't forget to confirm power to the fuel pump also. There's a fuel pump control relay on the 78's that uses one of two possible signals to keep power on. Described in Engine Fuel chapter, I believe. Along with a bunch of tests.
Also, try to keep your logic straight. You're mixing some things up that just can't be, like engine starting with no spark. Only diesels do that.
"it would fire, then immediately die. No matter how many times I tried, same thing fire then die almost as soon as it fired off. So I ran back through spark,fuel and air. I wasn't getting any spark from the coil. "