I agree here- if you buy a "performance" car (use that term loosely), accept the fueling requirements and enjoy it. My dad bought a Vette a few years back and would ***** about gas being expensive and use regular- come on now.. Yes, the car has a knock sensor to detect knock and pull timing (probably adds fuel too) but that is a safety feature in case it knocks for some reason- not meant to be used to mask cheap gas. Yes, it may work, but performance will suffer and as was mentioned earlier- you still have the high compression regardless of where timing is.

It may work, and I doubt any damage will be done- especially if you reset the ECU after a fill up and let it "re learn" with the crap gas, but why? You own a sports car, accept it. Buy a Civic if you want economy.

I agree with the comments about profits and such- it does suck! Just neglecting your car that you purchased knowing it's requirements- just to spite them doesn't seem logical to me.

Joe