Hacking Mario Kart Wii Track Rotation

[Mat37]

Hi!
I recently discovered track transformations with wiimm's szs tools (yes i'm late) and i tried scaling tracks, which worked. But, when i wanted to rotate the tracks around an axis, the game just make me falling for no reason.
Wiimm said some manual patches can be required for this to work, is it for that ?

 

[Wiimm]

xrotation move points below y=0, and y<0 is always falldown. Use e.g. --shift 0,40000,0 to raise the whole track.