Sweet, a result lol. The fuel pump doesn't start pumping until the AFM has air moving through it. I would now double check your air flow meter connection is good and that it's wiring is also in good shape. Its possible that it didn't continue to run because the ecu isn't receiving a good signal from your air flow meter. If that all looks okay then I'd start double checking vacuum lines. As long as your distributor rotor is pointing at the #1 plug wire with the engine at TDC on the compression stroke, the engine should run just fine. Setting the base timing just fine tunes the spark for optimal performance. If your distributor is installed correctly, which I believe it is from your earlier video, I don't think you need to mess with it at this point.
I've done an engine swap a couple of times on these cars, and one of the times the engine would not run on its own until I jumped the pins in the diagnostic box to bypass the fuel pump. I don't think the fuel system pressurized enough from just trying to start it, so we just had to do an initial prime because I didn't have to repeat the process again once the car ran on its own.
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1989 7MGTE R154 Targa Top White Package w/Blue Interior
Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels
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