The manual states you can use 89 or higher. For performance use 92 or better 
So what do you all use??? 
What gas (octane) do you all use?
Pro
Joined: Oct 2003
Posts: 618
Likes: 1
From: Putting a 50¢ sticker of the U.S. Flag on a $50,000 import does not make one a patriot.
91 most of the time, but I will put 101 in sometimes too. nothing under 91 for my vette.
AZC5
BTW- 92 is not available here in AZ
AZC5
BTW- 92 is not available here in AZ
Drifting
Joined: Jan 2004
Posts: 1,422
Likes: 0
From: SouthWest FL
I use 93, but just because that is what is available at a gas station that I frequently use. I would use anything form 91-93 octane. Would probably run fine on less octane, but I don't intend to find out. 
Drifting
Joined: Jun 2004
Posts: 1,887
Likes: 2
From: Havin' fun in Frederick, MD!!!
St. Jude Donor '05 '09
I'm surprised that you find it runs fine on 91 (even though the owners manual implies or says to use it). With that 10.1:1 comp ratio (Z06 is 10.5:1), I was surprised to see that the owners manual didn't require 93. What your elevation? Higher elevations can get away with less octane since they are starting with a lower air pressure. I use 93 and it has never seemed to balk.
Tom
Tom
Pro
Joined: Oct 2003
Posts: 618
Likes: 1
From: Putting a 50¢ sticker of the U.S. Flag on a $50,000 import does not make one a patriot.
Originally Posted by lemansbleu2004
I'm surprised that you find it runs fine on 91
Tom
Tom
We are at about 1,117 feet and with a population of 1.3 million(just in Phx, not surrounding cities), 10 stations is a very small niche.
I think it sucks, but the only thing I can do is move. I don't think I will be doing that though. I will just be jealous of all thoes who can buy 93 an 95 easily and cheeply!
AZC5
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with AZC5. 91 is all we can get here in AZ. I have gone to strictly Chevron to solve the gas gauge problem and it seems to have worked.
Drifting
Joined: Nov 2003
Posts: 1,323
Likes: 0
I tell ya, I wouldnt run anything less than 93 in my A4. I once found myself in a position where I HAD to put in 89 (almost empty, only station nearby, and they were out of super) I hated the way the car ran 
It was like someone had reached in and ripped out 50hp. When it comes to the Motion Lotion, Gimme the best you got. 4 things in this world you should never compromise on.....Cars, Bourbon, Fuel, and Broads 
Words of wisdom from Sensei Bob.....Class dismissed
It was like someone had reached in and ripped out 50hp. When it comes to the Motion Lotion, Gimme the best you got. 4 things in this world you should never compromise on.....Cars, Bourbon, Fuel, and Broads Words of wisdom from Sensei Bob.....Class dismissed
Safety Car
Joined: Jun 2004
Posts: 3,717
Likes: 0
From: Palmdale CA
St. Jude Donor '06
Nothing less than 91. Haven't really looked for a local station that carries anything higher, or whether it's even available in California. Anyway, I waited a long time to buy my Vette, so I'm not about to get cheap on the gas.
Racer
Joined: Jun 2004
Posts: 445
Likes: 32
From: Chicago IL
Originally Posted by c4vette92
i use sunoco 94 octane
Can't get that around here any more. There used to be a Sunoco here that had the 101 octane, it even smells different from regular gas.I use BP (formally AMOCO) premium. I guess I'm dating myself calling it premium instead of using the numbers.
Sly
Race Director
Joined: Jan 2003
Posts: 14,285
Likes: 0
From: Houston, Tx Got traction?
CI 5-6-7-8-9-10 Veteran
St. Jude Donor '07-'08
93, if there's a gas station with 92 i keep on driving, and NEVER 91 or 89, maybe i'm just paranoid, but i'd like to see the odo. read 200k some day, at this rate it'll be in four years!