Originally Posted by misterstyx69

Check the Fuel Lines at the engine.Make sure that the Primary Rail is the first to get Fuel.If it isn't then the Car won't start.This may explain why it fires when you Put Starting fluid into it...You can always try another thing,which is Swapping the wiring on the injectors..that will tell you that the Fuel is being delivered Backwards anyhow..I hope that is As simple as whet I just said..POST with results..a Newly Started swap is like a newborn..you never forget the first sounds of it!

Originally Posted by MidnightOwl

Wait, is the OP still having the same problem? I think someone hijacked the thread. Anyway, I had this issue when I first swapped my motor, and it turned out that I didn't plug in the resistor pack for the motor. Woke up the next morning, plugged it in and it fired up on the first try.