RE: nitro is tickin' me off
take its temp....dont use that to tune it but to get it in the general area
also i had the cutting out problem mine just died and i leaned out the lsn a little and it stopped doing that
HSN is easiest thing to tune but getting it to idle is pretty hard.....if you mess up and cant get the tune back go back to factory settings and try over again you will eventually get it right and only make small adjustments then run it and let the adjustments have time to kick in and only tune an engine when its at normal operating temp NEVER tune a cold engine
tuning a cold engine is like starting a race without fuel it wont get you anywhere
here is a tuning "tutorial" for you to look at its pretty good
good luck!