You my friend are bang on the money:
http://www.auto-motor-und-sport.de/form ... 40220.html
The upgrade consists of exactly what you are describing and is supposed to be worth 2 seconds. So Wirth Research has turned the car upside down, if they can do this in this timeframe succesfully they might be able to show some nice stuff at the end of the season.
AND learn some valuable lessons, because the people working at Wirth research are 'supposed' to have little experience with modern F1 design.