Have someone already did their presets and don't mind to share to try it out? I'll gladly try some stuff out for I lack any talent in that. Write the car and the engine model. Like ETK-K, 3.0 L6 Gasoline (this config reminds of skyline's engine for some reason)
Mod vehicles might not be updated to latest features yet, but I think all vehicles that come with the base game should work.