You get the best performance by burning the lowest rating of fuel you can run without detonation ( knock ).

You learn something new every day.

Heres a good discussion on the issue:
http://www.suzukihayabusa.org/cgi-bi...&f=32&t=000020

Thats like the fools going to the race track and filling their mostly stock Mustang or corvette with Cam 2 race gas ! It goes a LOT slower ! they have different octanes for a reason . if you don't have high compression ,you can't burn the high octane fuel . Imagine topping your cars fuel tank with $50-$75 worth of race gas just to go slower ! :p

Yup I have always filled up with regular. If some one askes what fuel you can tell them Super if you want but who cares. Some people think it is important to fill it up with Super. I just look for people that go through lots of gas and do not have water in there :D :D

Good post guys, I learned something ;)
I put 93 in my merc once, it ran like crap back to 87 or 89 and she runs like a dream :cool: