if this gets further along in development maybe you could ask vibestation5 if you can use the etk900 naming since it does seem like a etk800 era "etk900"
For other artists: Should I replace all normal map chamfers with manual weighted normals? This is effect of manual weighted normals:
I think so, but this is because the model is just after subsurface. It will be look like the sketch in this thread later https://www.beamng.com/threads/2015-etk-i-series.103063/#post-1812793