It's probably hard to believe, but the V10s sounded even better than the V8s. Even louder, higher pitch at higher revs, and traction control out of the corners sounded like a fully automatic shotgun.

Yeah, I hear they are trying to change the engines to a 4-cylinder these days too. That would be really unfortunate, and would probably sound awful.

I went to the Indy 500 this year, I heard in years past their noise rivals F1. But this year they downsized their engines, and the cars there were not impressive/loud. It would have been downright disappointing if I wouldn't have been so.."well hydrated" with beer. I really hope that doesn't happen to F1

FIA currently plans to move away from the existing 2.4L V8s at 18k RPM to a 1.6L V6 turbo at 15k RPM in 2014.

Bernie (the godfather of F1) doesn't like the sound of the new engines, and may torpedo the planned change based on the sound issue alone.