OK. Time to report results. 77 degrees today, low humidity. Took a nice long ride, got it nice and warm. idles at 1150RPM as usual, 13.5 AFR. Good. I do know big(ish) cams like a bit of rich idle.
Next, cruising on dead level road, 45 MPH around 2800, AFR mid 12's.
65 MPH, 3300 RPM 12.8 to...