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Originally Posted by Pat
Well, what other changes are made? A car with 652 hp is certainly capable of hitting 250 mph. A lot more goes into it than just power. What about the torque? What is the Cd of the Mirage GT? Did they change the gearing?
Sure, ceteris paribus, another 40 hp won't increase the top end by 45 hp.
Oh, and the Cd for an F1 car is about .8, not .3 like the CGT.
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not much goes into it but power. top speed is a factor of drag area (Cd x frontal area), rolling resistance, and horsepower. that's it. torque, gearing, and weight have nothing to do with max (drag limited) terminal velocity. and you're correct that an F1 car
with wing has a high Cd due to downforce considerations. in my post, i was refering to a test Honda did where they removed the wings (not physically, but to zero angle) and tested top speed on a runway.
648HP isn't nearly enough to propel a car the size of the Carrera GT to 250MPH (even if they achieved an obscenely low Cd).