-Cleaned ECU/other grounds
-Injectors are getting voltage, grounds are good
-Pulled return line off fuel rail, healthy amount of gas
-Swapped in ECU, FPR, ignition powerstage, IAC, fuel pump relay and coil that came off a working car
-Fuel filter installed correctly
-Distributor cap and rotor look ok, cleaned the contacts
-Plugs are getting nice fat spark
-Spark plug wires are routed correctly
-Inline fuel pump is definitely turning and staying on
-Fuel is reaching the combustion chambers
-Swapped the FI relay with 4 other ones
-Nothing clogging up the intake
-No catalytic converter to clog
-Audible fuel pump noise and fuel relay when cranking
-New fuel filter
-Tachometer reads the RPM when cranking
-Checked for vacuum leaks
-No radio supression relay
Tried starting it yesterday and it stumbled a couple of times and flooded. Poured some ATF into the chambers, tried again today and there was nothing besides the starter cranking.
I still have to assemble a rig to test the fuel pressure so there's that factor still but if it's fuel it still doesn't make sense. I took off the intercooler elbow and sprayed starting fluid into the throttle body (with throttle partially open to wide open) while it was cranking and it didn't start.
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