Yup: I've done the timing advance:
And as of yesterday afternoon, the airflow meter spring adjustment as well:
Going right now to see how it affects a cold start...
UPDATE: the car has always had a slight stumble/miss on cold starts that lasts 10-15 seconds (plug wires?). It was
possibly slightly worse on this start-up, but not significantly. Could be my imagination. I'll leave the adjustment where it is.