The bigger downside to WTCC is trying to even up the front-wheel and rear-wheel drive cars. They seem to do a good job as the racing is usually close and exciting.
Continuing off topic (and being very aussie specific) I also loved Group A, but through Group C was even better. It'd be back to the future if I was in charge...
Amazing how much fuel it flows, and how much is rejected by the intake system at some engine speeds. Perhaps with rest of the intake system fitted, and with car at speed, this situation changes.
I love the way they simulate running on a track when strapped to the dyno. Even going as far as the throttle blip for down changes. That and that glorious v10 scream . Delicious!!!!