Tire Pressure

Tire PSI can be found in the fuel door cover.  Sort of cool.  But wait...what?

Over the years I have owned the following:
Mustang GT

Mustang Mach1

Pontiac GTO

Mustang GT500

Corvette 

I do not believe I have ever seen instructions on how to set the PSI of my tires for when driving more than a 100 mph.  I can't be the only one who thinks this is cool?!?!