Got air, fuel, spark... no start? Fixed Options

[sfrenck]

73 2.0L Djet pulled from my 73 last year (engine ran fine until it was pulled a year ago). I just put in into my 74 (former 1.8L) shell.

-While the engine was out I changed the oil cooler seals, rechecked the valves using the Cap'n method
-Seatbelt interlock jumpered out
-Have 30PSI fuel pressure when cranking
-Cranks and has 11.3volts at the starter when cranking (maybe a 1.25 volt drop while cranking)
-Good ground wire from the trans to the body +another 4 gauge wire from a bolt holding the starter back to the negative battery terminal
-New battery with 800+ CCA
-Have spark at every plug (pulled the plug wire at the plug, put a 5th plug on the wire and saw the spark for every cylinder)
-Pulled the injectors and got good spray / equal flow from all
-Cold start valve fuel line pinched off (after having the same symptoms when the line wasn't pinched off)

Static timed it, moved the dizzy around a bit when cranking - no start.

It almost starts immediately, but it doesn't catch and then it just sounds like it's cranking. I thought the cold weather may have been giving me a problem with the 20w50 oil, but it's almost 60 degrees today and the car is nice and warm sitting in the sun.

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3/10 data:
-Cold compression test has 115# on 1,2 and 4, only 80# on 3 (3 was always lower when the engine was running last year)
-Pulled spark plugs are all firing with strong white spark
-not a lot of tach needle movement when cranking, even with the plugs out while testing them for spark (resting on the fan housing) - but the needle does move
-Didn't smell a lot of gas on 3 and 4 spark plugs. Wonder if I did something idiotic and left paper towels in the engine where the air runner intakes connect on that side? Would account for injectors firing but no gas smell on that side (soaking the paper towel). Guess I'll pull the runner over there again. No towels

3/12 data:
Now the key/ignition runs the fuel pump when turned, but the starter doesn't engage. I've got an Actron remote trigger starter that will activate the starter.

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Hard to add gas to the plenum while troubleshooting all this... added this info to last post for bump.

3/16 data:
Starter fluid down the TB while cranking and it fires up. Dies shortly thereafter. 3/16 post by me.