jason_voyles

Batt voltage still drops very low, but at least CAS is happy now with plugs in.  Master fuel around 10ms will be in the ballpark.  100A breaker is a bit on the light side, really, I've never used a breaker on the starter supply but when I was at MSEL making isolators they were rated for 1000A and we would commonly see 200A in the logs during cranking.
If you havent checked base timing yet, try the offset around -85 as a starting point.

Nup, it is still showing missing teeth on trigger 1.   Batt voltage is still much lower than normal in the log (still drops to 5V at the start of cranking) but even after it recovers to about 10V after a couple of seconds there is no RPM signal so trigger is still not happy.  
Im not really sure what to suggest next.  The electronic hardware that records the triggerscope is separate to the ECU micro which also shows the same thing.  So we have two pieces of electronic hardware that are showing us there is a problem with the trigger signal so I think it is likely they are not telling us lies.  I would normally suggest it was likely the CAS at this stage but since you have already swapped that it is hard to imagine you would have 2 duds. 
To take the starter motor load out of the equation, what happens if you pull the CAS out and spin it by hand or with a cordless drill or similar?  Do we then get RPM?