If I have lean a/f (~17) at light throttle (30-50% throttle position) acceleration under vacunm (say at 0-10 Hg) when taking a long corner, which screen/map should I use to add fuel for this situation?
The Load map (screen #8, load based for the 2 290cc primary injectors)?
The AUXwot map (screen #27, rpm based for the 4 390cc injectors)?
Both?
Or, something else?

 

If its lean everywhere at 10" then adjust your load map. If its just lean in the higher rpms, you need to adjust it from an rpm map. You can try adjusting Aux_wot for that, according to Scott it should add fuel in that situation, but I didn't seem to see any change. The next best option is rpm_cruise map.

 

rpmcrs worked best for me.. I would start there. Think of it this way. The load screen should be used to change all rpm points, rpmcrs/rpmwot screen is used to change afr's at a very specific rpm regardless of load.