You will have to compile from source.
The guide is here: https://github.com/RigsOfRods/ror-server/wiki/Compiling-server#linux
Note this will compile it for RoRNet 2.45, which is only compatible with dev builds.
If you need a RoRNet 2.44 server for stable RoR, Roll back to an older commit...
I have done this once - it was fine with 3 players on LAN.
I don't know how much further it can scale, but the network speed is probably the bottleneck.
Wouldn't it have been enough to share the enginetool settings, or the .truck diff if on 2022.12?
I've played with graphics worse than that (when i didn't have hardware graphics acceleration)
I used the engine tool to give it 4x power
Sadly it starts vibrating at ~290 km/h and loses the rear axle at ~310. I wasn't able to push it past 324 km/h.
It would be nice to also be able to only show mods which need updating, which would make it a lot easier to keep your mods updated. Someone should probably open a issue on the github for these (not me, i lost access to my account).
2 Rocket boosters in opposite direction + 2 vertical rocket boosters, all then removed.
The debris area is around 3 kilometers, even the wheels detached.