Edit too the head cover with parts from ACMP. Its almost fully ao mapped on a single ao texture and i think its got nice shaders and textures below are also some in game shots included too show it looks good in game as well.
Forza Horizon 5 converted 2JZ (Formula Drift #34 Toyota Supra MKIV
It is not perfect but close enough imo lol. There is no radiator because in this setup it goes in the trunk. It does add just below 130K tris and 101 objects tho. If there are any issues let me know! Enjoy!