How come no new " how fast " threads ?

[bgreene]

I read about a 2.5 liter Merc that produced approx. 280 prop horsepower.

2 stroke, not heavy but LOUD....built for racing.

So..............on a V ? I'll say ......... 60 mph would be possible.
Based on each 50 hp pushing about 8-10 mph faster.