Improve car sound engine

[tanakasama]

Hi,
I think car sound engine now is very simple or poor. Its not real. I think we must to improve this feature, because its very important, i think.
You could referent to this audio plugin for unity 3d, its really cool and real.
http://www.crankcaseaudio.com

[JustInvoke]

This looks interesting, but it's clearly not open source. I know the engine audio could be improved, but I've never been very good with sound effects.