I'm not sure about a 4 cylinder engine, it just doesn't sound right for Formula 1. Maybe a V6, and lets drop the rev limit? Why do we need to rev limit the engines? The restrictions should be on fuel, force the teams to make their engines more efficient. They will do it, and they'll probably make them faster at the same time. This in my opinion is road relevant. Perhaps open up KERS development a bit more? Give teams the option of using KERS energy to save fuel, that's the whole idea of such a system right?
As far as aero goes, the current regulations are pretty good, banning the double diffusers has reset things to how they SHOULD have been in 2009, and I think it's worked. Dirty air doesn't seem as much of a problem anymore, even before you think about KERS/DRS.
If there were changes to aero, I would say possible reduce the width of the front wing, it's too wide really, perhaps give them back some of the aera in the middle? I would like to see more downforce generated from the underbody, as this is pretty much immune for the turbulent air effect, more ground effect.
"Unbelievable how silly this Formula 1 is these days, with this stupid overtakes."
—Sebastian Vettel, 2012 US GP
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