No Start issue... Hoped it wouldn't come to this

[Diehardsr20]

Ok so I bought a 1993 240sx with a swapped in sr20det redtop. Bought it last july and it was kinda troubled such as idling at 2000rpms and it wouldn't start unless you cranked the engine for a second or two, then unplug the injectors, then cranked it again, then it would start for a second and you'd have to run and plug all the injectors back in to keep it running. Well a couple months ago I hit a rough patch of road and it did something funny afterwards. I made it up the block to a friends house it was running, after about 30 minutes there I went back outside it wouldn't start at all. I know I'm getting fuel but no spark. I pulled the codes which at the time were : 11, 25, 34, 43. Now I had known about the last 3 codes but 11 was a new one. So begins my path on this devil of a car.

Now the previous owner did the wiring harness himself. I have gone back into this mess and :

1. checked every pin from ecu end to sensor connector end with a ohms meter (no dead connections, all grounds are great, each pin and wire is where it is supposed to be) soldered all my connections plus heatshrink (he used crimp connections and electrical tape, I did away with all that)

2. replaced my tps

3. cleaned my iacv (idle control valve)

4. bypassed the knock sensor with a 1 k ohm resistor

5. bought another ignitor chip (had a q45 on it)

6. replaced my coils

7. replaced my CAS, made sure both cam arms were facing outwards (meaning number 1 exhaust and intake valves are closed) and lined up the dots before inserting it into the head. Crank marked 2nd line from left. Checked all 4 pins, found continuity from CAS back to ECU:
1 - B - GROUND
2 - B/W - 38/47.
3 - B - 22/30
4 - W - 31/40

8. bought another ecu 62 since I found 2 burned spots on my original ecu's circuit board (the one near the front that burns out and kills fuel apparently and had already been solder fixed, and a burnt transistor near the back of the ecu which is what I'm guessing started my problem)

Coils are seeing 12 volts, all my power and grounds are correct (even to the back of the head for the coils, engine to firewall). Fuel pressure kicks up to 43 while priming. I'm also getting fuel on my spark plugs. Now my new ecu is going back and forth, between code 11 only (CAS), then it will display only code 55 (CONSULT PORT AKA EVERYTHING IS FINE) but still no spark or start. I'm really at a loss here. I've spent too much cash on things that apparently aren't helping me. I hate to be another no start no spark but after reading everything I could and trying everything I've read I'm at a loss. It just cranks and cranks but no start.

ANY INSIGHT WOULD BE GREAT! I've loved nissans all my life. This is the first to give me these woes.