QUESTIONS:

when I blip the throttle from idle under no load - VERY light throttle and also when pulling away very gently from a stop, the lambda swings very lean as revs climb the very rich as revs fall and engine stumbles badly. I have been fiddling with the VE map and it does not seem to help. This is VERY light throttle blips and slow take-off. Which setting is most likely to cause that?

Also, when I use the timing light to check static timing, should I make an ignition map with 0 degrees in all cells?

Thanks!