Tuning my 360 with a wideband.

If you want to try richening the top of the transition/idle with smaller IABs, you don't need to remove 'em. Stick some fine wire in the air bleeds. You can use two seperate wires, but I prefer to use one. Run 'em down under the air cleaner gasket so the stay secure.

Yep, that's what I do with IFR's on 950hp carbs.

If the carb has a .036 idle air bleed, find a .014 wire and .018 wire, that would reduce the area to ~.033 and .030. I know some guys that use worn out guitar strings. They range from .008 to .022 depending on brand.