Timing ??

I think you are undercammed for the rest of the combo. The issues for me are the torque peak and hp peak, vs the convertor choice and gearing. The engine sounds like it will have a flat torque peak between 2400 and 3500, with peak horsepower around 5200. Except your gearing will want it to rev to 6K. What I would suggest is raise the gears to 3.91s w/the 28" tire it looks like you have. Also, replace the iron dual plane with an aluminum Performer RPM. The stall may be ok with those changes. So long as it's a tight 3K. As far as timing, with the convertor, you can go full advance fast. I would go with initial advance of 15°, and a total around 36°. You will want to see what it likes when you are at the track and can repeat times over a few runs. but I think you'll end up around 34-36°.