>> That must be some 626. In the US, the 164 hp model was tested at 128 mph by
>> Road&Track. I suspect that 135 is highly optimistic. Further, getting that
>> extra 15 mph would require increasing hp by another third.
>You're probably talking new model with automatic gears?
I thought it was the standard, but not sure. It's a 2.5L six. Previous
model. I know the similar Probe GT, same 164 hp engine, manual
transmission, had top speed of 131 in a C&D test.
But then it would probably be well over 150hp if it actually could manage
sufficient torque at those higher revs. Anyway, I don't know anything about
the Euro model, but...
Well, we can get way off topic here. Basically, top speed really *is* a
matter of just hp, well, drag and rolling friction too. But as long as your
car's top speed is hp limited and not rev limited (or governed), the max hp
determines your max speed. By example, if your car has hp & gearing such that
it redlines before it reaches top speed, you are rev (gearing) limited.
Conversely, if it reaches its top speed at your car's hp peak rpm, it is hp
"drag" limited. I guess one can imagine a case where the gear ratios are
poorly chosen such that you run out of speed before you can reach the peak hp
rpm (a tall 5th gear with a too short 4th?).
But anyway, either you get a reasonable top speed for your hp or you get less
top speed. You don't get 150 mph out of 150 hp with a "normal" (note 1) car.
Note 1: Typical road car with typical weight and drag. Or even one getting
rather extreme (ex: 1800+ lbs, 0.26+ CD).
I'd imagine that anywhere there is an autobahn, they might pay more attention
to drag and high speed rolling friction than here in the land of the 65 mph
limit and torque-monster engines. But not *that* much to change the above
conclusions.
In the case of the Civic Si, yes! The one I "bought" puts out 164 hp, well
above the "spec" of ~125.
Phewww! Have I spent more time on this than I planned!