Change the parameters in the engine ECM
It is: (485-460)/460 times 100 = 5.435% increase rounded to three decimal places
If 50 hz is applied instead of 60 Hz, the speed of the motor will reduce by 10 hz equivalent. If you still want to keep the output speed equivalent to 60 Hz, you will have to use suitable gear box or so, to increase the speed to 60 hz equivalent.
The max speed of the final Spitfires was about 460 mph.
The 2010 Lexus GX-460 has a 6-speed automatic.
The 2014 Lexus GX-460 has a 6-speed shiftable automatic.
The 2012 Lexus LS-460 has a 8-speed shiftable automatic.
The 2012 Lexus GX-460 has a 6-speed shiftable automatic.
The 2010 Lexus LS-460 has a 8-speed shiftable automatic.
The 2011 Lexus GX-460 has a 6-speed shiftable automatic.
The 2014 Lexus LS-460 has a 8-speed shiftable automatic.
The 2008 Lexus LS-460 has a 8-speed shiftable automatic.
The 2013 Lexus LS-460 has a 8-speed shiftable automatic.