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1. I recommend a compression test, take all plugs out, spin the motor with a battery charger to help, write it down
2. CAS off to the side is a warning flag. I've never seen an engine do that or need that. Sounds like you need to try another timing light or a different procedure (try using a plug wire instead of the coilpack wires) or maybe the cam isn't installed correctly? What size cam and does it run rough?
3. Timing should stop jumping around once you unplug the TPS. If it does not, could be a poor wiring of the tps sensor causing noise in the tps signal. Or an issue with idle speed, does the idle change because of an air leak maybe?
4. Pressure test the plumbing after the compression test
5. Are you using the correct mark? On the damper iirc it goes -5 0 5 10 15 20
Summary
Compression and pressure test, check tps wiring, use a different timing light
The ultimate test is, does the car drive normal, have good compression and make the correct power. If you think its good to go it will drive normal and then take it to a dynojet and put down the right amount of juice and /done
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