Which yields less power. Seriously, what do they teach you? Or do you just not listen?
You really think in an f1 engine you can reduce the fuel mixture to cater for a 6hour race without having to downgrade the cam profile? Wow. I'm actually astonished. Sure there is alot of ECU shizzle you can do these days as far as valve timing goes but for such a change you NEED to change the cam profile.