Tom,
I re-adjusted the carbs, slightly to the rich side and got away from the very high (16) lean readings at idle. I'm down to 12.3 to 13.5 at idle and my lowest at wide open throttle was 10.9 to 11.3, so that improved from 9.5 to 10 as well.
My wife will be riding shotgun this weekend with a clipboard and a spreadsheet with 500RPM slots to fill in the readings as I run up to red line. Hopefully, she won't get car sick and I can keep my eyes on the road where they belong.
I mounted the readout under the dash, so that I can get better real time readings as I drive the car. I'm at least in the ball park on the A/F ratio now. I'll post some pics after tomorrows club run.