:It was a big PITA. they chose the RB because it has a shorter stroke and therefore has an easier time revving to higher RPM, as well as better flow characteristics, but the supra was more attractive as far as aerodynamics and top speed. Hmm, I still like my Z better.
The Z is more aerodynamic than the Supra. If you look at the speed record runs, the Z that set the record had quite a bit less HP than the Supra that failed to beat it.