Nice thread!
Here is the Ford twin-cam six turbo in a Supercar:
https://www.youtube.com/watch?v=P4CFyv0tVR8
While the Chevy Ecotec (or whatever it's called) sounds OK, the vast majority of V6 turbo racing engines sound terrible, like for example the Ford GT Ecoboost:
https://www.youtube.com/watch?v=Eh4VQjz-WhA Or the Honda NSX:
https://www.youtube.com/watch?v=dQDIfjm-PZI Or the Nissan GTR:
https://www.youtube.com/watch?v=3ErapiECM1A
I'm sorry but the turbos are just no match for V8 music, especially when we had the lovely Volvo and Mercedes in the field:
https://www.youtube.com/watch?v=ZaGvY-IJeyA
Even the straight-six turbo in a Bimmer racer is not very musical, more of a dreary drone than anything else:
https://www.youtube.com/watch?v=wjgPXDHwLCg Whereas the V8 in a Bimmer? It's just magical!
https://www.youtube.com/watch?v=c3zWcTAmXb8