Posted for "George Braly" <gwbraly@gami.com>:

 Scott.
 
 Your equations are a bit too simplistic.
 
 Consider that cylinders that run 50d cooler - - can make more horsepower than
the cylinders running 50d hotter.
 
 Better volumetric efficiency.
 
 Regards,  George
 

"""
 Max power = lots o'heat, too cold = too much cooling drag = not as fast as I
could be going!
"""