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Old 12-22-2011, 12:46 AM   #1
az sheriff
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Default Where to find 93 octane fuel?

What stations carry 93 octane fuel ? I have only seen 91 octane in stations in Arizona.
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Old 12-22-2011, 07:05 AM   #2
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What stations carry 93 octane fuel ? I have only seen 91 octane in stations in Arizona.
There is no 93 octane fuel at the pump in AZ. The best you can do is mix 4 gallons of 100 octane unleaded with 14 gallons of 91 unleaded. There are a few stations in the valley that have 100 octane. There is a Loves gas station by Firebird Raceway that has 100 octane unleaded and 110 octane leaded racing fuel. If you find any other station that carries 100 octane unleaded, let me know.
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Old 12-22-2011, 04:36 PM   #3
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I like the new avatar, Rob
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Old 12-24-2011, 10:39 AM   #4
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What may help even with only 91 octane, is finding it without ethanol (If that is possible in your area).

Smaller motors that are more critical of fuel quality then large displacement V8's are, run much better on ethanol free fuel.

By the time you get down 2 cylinder bikes, no matter the brand some of them will not even run on just 10% ethanol let alone 15%

Makes me think there is always a performance benefit (besides increased gas milage that is a given) when ethanol free fuel is used
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Old 12-24-2011, 03:33 PM   #5
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That's how Kansas is 91 only I run ms109 but buy it by the drum
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Old 12-29-2011, 09:13 PM   #6
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Originally Posted by Michael ZR1 View Post
That's how Kansas is 91 only I run ms109 but buy it by the drum
Anybody use octane booster? If so what kinds are recommended? I've heard some are real and some are not. I'm light on chemistry background so any input is appreciated.
BTW still getting 93 in Michigan but who knows for how long.
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Old 12-29-2011, 09:23 PM   #7
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Car magazine did a test a few years ago, results were that octane boosters are a waste of money.
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Old 12-29-2011, 10:12 PM   #8
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Car magazine did a test a few years ago, results were that octane boosters are a waste of money.
Did they conclude that they don't raise octane?

A waste of money for vehicles that don't require premium unleaded or better to operate to their full potential?

Puzzled......
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Old 12-29-2011, 11:04 PM   #9
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They had no effect on octane count.
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Old 12-30-2011, 12:09 PM   #10
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toluene and xylene are used to boost octane and are available as "paint thinners" at hardware stores.
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Old 12-30-2011, 08:58 PM   #11
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I guess you do not have a Sunoco station in your area? That is where I get mine.
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Old 12-30-2011, 11:06 PM   #12
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toluene and xylene are used to boost octane and are available as "paint thinners" at hardware stores.
Makes me wonder two things... Would paint thinner void my warranty? Just kidding on that first question and Im not doubting your fact, but (real question) why would octane booster products not pursue being as effective as cheap paint thinner and actually get test results that "boost" their sales?

I think I'll just buy some race fuel to blend when 93 isn't avail in the future.
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Old 12-30-2011, 11:38 PM   #13
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I guess you do not have a Sunoco station in your area? That is where I get mine.
No Sunoco stations and no 93 Octane on most of the west coast.
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Old 12-30-2011, 11:40 PM   #14
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Quote:
Originally Posted by ZeeOh6Nut View Post
Makes me wonder two things... Would paint thinner void my warranty? Just kidding on that first question and Im not doubting your fact, but (real question) why would octane booster products not pursue being as effective as cheap paint thinner and actually get test results that "boost" their sales?

I think I'll just buy some race fuel to blend when 93 isn't avail in the future.
The tiny bottles of octane booster do little because they are so small. A gallon of xylene will do more for the tank, but its not very cheap - at 13 to 15 bucks a gallon race fuel is a better choice.

its probably important to mention that the "paint thinner" should either be pure xylene or pure toluene. There are many mixed ones that shouldnt be used...
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Old 12-31-2011, 01:10 AM   #15
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Originally Posted by Nick 02 Z06 View Post
No Sunoco stations and no 93 Octane on most of the west coast.
I think I read that California sells only 91 octane as their highest at gas stations. Not 100% on this, I tried searching for better stuff when I had my 06 LMB Z06 in Los Angeles and went drag racing.

Sucks.

Brian
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Old 12-31-2011, 01:50 AM   #16
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Back in the 60s performance cars were sold that absolutely had to have 100+ octane leaded gasoline. There was no computer control of the engines. If lower grade gasoline were put in cars with 10.5:1 or 11:1 compression the engines would knock themselves to pieces.

When all these muscle cars and vettes were sold high octane leaded gas was available EVERYWHERE. It was unthinkable back then that in just a few short years leaded premium ( as we called it ) would be extinct.

Fast forward to the present. When the Z06 was introduced the recommended octane for it was unavailable in over half the country. I haven't seen 93 octane here in Oregon for what seems like fifteen years.

Now, I would think that anyone contemplating the purchase of a vette would check what kind of gasoline it is supposed to have and if that gas is not available not purchase the car. Of course, the computer system adjusts for lower octane by reducing power. Even with the computer adjustment knock is still present.

If a car owner is upset because their NEW car uses fuel that IS NOT available then they should become upset with themselves for buying it AND with the manufacturer for selling it.

I wonder what fuel the C7 will require? Perhaps it will be E85 compliant and capable of running on 87 octane all the time without loss of power. Or....perhaps it will be sold as requiring 93 octane. By the time it is introduced the availability of 93 will be even less than now and even 91 might be going away in many places.

It's the 70s all over again ( with loss of high octane gas ) except that in many cases there never was a time when these cars were new that the recommended fuel was available for them everywhere.

smart eh?
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Old 12-31-2011, 10:07 AM   #17
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Look into torco. You can order a 5 gallon drum and just add a little to each tank.
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Old 12-31-2011, 12:00 PM   #18
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Most racetracks have higher octane unleaded available, if you're in Phoenix Firebird Raceway should do you.
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Old 12-31-2011, 12:00 PM
 
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