nice stuff! not that I much out of the video (sorry) wish you well in Abbey's.
Re disclaimer / waiver that's pretty normal and nothing I would worry about. Normally sign one of the before dyno sometimes too... can understand if a shop decides to do that, more so when it was miss-firing so much on their first attempt. Only 'bad' thing about uprev is that you wont be dynamically be able to change maps from 1 or 2 like you can with UTEC. Then again you can adjust that with your right foot
when is she going on?