The air fuel ratio is good in park or neutral, but way too Lean when I'm in gear or holding the throttle. I'm talking off the charts, over 18:1. I think the carb has too small of a main jet (61), but I want expert opinions before I start swapping jets.
65 Mustang 200 six cylinder coupe with C4 auto. I have an AEM wideband O2 sensor attached (blasphemy, I know), so I know exactly what my ratios are.
Freshly rebuilt Autolite 1100. Timing set with gun, idle speed with tach.