RC:

 

Also, what about tire friction or drivetrain friction? It is not possible to make a direct comparison, based on speed and power only.

 

 

Both engines will be at full load at 280kph, lots of boost (1.6bar on the GT2) hence why I am impressed if the 991 doesn't start to lose some power as the 997 A91 engine did - could be the improved "thermal management" you informed us of .

The bit you say above is the interesting bit and the only way I personally can see the 991 doing what you have been told, it will be really an awesome achievement if true and I would be sorely tempted for a model change myself Smiley


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3.9  GT2 2011 make over