SNIP

> By way of comparison the 2 liter four in the Honda S2000 makes more power
> per liter than the BMW S54 engine, revs way higher, needs to be revved
> high
> to make any real power (so it is likely to spend more time at high revs),
> has variable valve timing and it has been bullet-proof. I think BMW could
> learn a thing or two about high specific output, high rpm engine design
> from
> the engineers at Honda, in this case. I guess it makes sense since Honda
> has
> way more experience with very high rpm, very high specific output engines
> than BMW (via their motorcycles...and even the high revving NSX that has
> been around for over a decade).

I think they could have done just as well learning from their own engineers
in the GP engine effort. Specific output of the 3 liter GP engine is a bit
over 300hp/liter.

R / John