Great progress and thanks for posting the info so far.
The Edelbrock tuning guide is pretty accurate. See pages 33-34 for yours.
https://edelbrock-instructions-v1.s3...ning-guide.pdf
The guide shows your secondary jets are already .77 and your not far off a good WOT AFR as it is. So I'd start with the .75
https://help.summitracing.com/app/an...2Ffuel-mixture