110 octane
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4th Gear
Joined: Feb 2003
Posts: 4
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110 octane
Where I live near Traveler's Rest in SC, the other day I saw 110 octane fuel at a Sphinx station. It was priced at $3.00. It said for off road race vehicles only, but interestingly enough, it had a corvette logo on the tank. Of course I didn't dare get any of this fuel, but I was just curious if such fuel could be used in an ordinary motor what it might do
Le Mans Master
Joined: Jul 2000
Posts: 7,758
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From: Fort Worth Texas
Cruise-In II Veteran
Cruise-In III Veteran
Re: 110 octane (smileyvette)
First, you must make sure its unleaded fuel, or it will destroy your cats, and o2's.
Second, if you motor is of stock compression ratio, you may see a reduction in performance )especially with as much as 110), since higher octane fuel can slow the flame burn rate, it acts like timing retard on the motor.
Its best to use just enough octane, without getting knock.
If your getting knock on a stock compression motor, up to 93 octane, then you have other issues that need to be addressed, such has oil contamination, carbon build up, faulty knock sensors, etc.
Octane is simple a rating of a fuels ability to not pre-ignite under heat or pressure. It has nothing to do with a fuels ability to inherently create more explosive power.
[Modified by kewlbrz, 3:15 PM 2/10/2003]
Second, if you motor is of stock compression ratio, you may see a reduction in performance )especially with as much as 110), since higher octane fuel can slow the flame burn rate, it acts like timing retard on the motor.
Its best to use just enough octane, without getting knock.
If your getting knock on a stock compression motor, up to 93 octane, then you have other issues that need to be addressed, such has oil contamination, carbon build up, faulty knock sensors, etc.
Octane is simple a rating of a fuels ability to not pre-ignite under heat or pressure. It has nothing to do with a fuels ability to inherently create more explosive power.
[Modified by kewlbrz, 3:15 PM 2/10/2003]
Melting Slicks
Joined: May 2001
Posts: 2,596
Likes: 120
From: East Tennessee
Re: 110 octane (smileyvette)
be careful, there are a few stations that sell 104 here and have unleaded nozzles but its leaded gas - I called the supplier because no one at the stations knew if it was leaded or not. There are a lot of lakes/boats around so I guess thats why they sell leaded..
Race Director
Joined: Feb 1999
Posts: 14,263
Likes: 1
From: DFW, Texas...2001 Millennium Yellow Z06
Re: 110 octane (vetterdstr)
if your car is stock do NOT run that high of octane in it.....
the more octane, the slower the gas burns, and in our cars, they are tuned to burn 91 to 94 octane, any higher, and you will lose power and create large amounts of unburned fuel which cause carbon deposits etc.
in my Z06, I can run like 104 octane, but it is tuned and has 11.0 to 1 compression, it likes race gas....my WS6 on the other hand, has stock heads and a big cam....I had to put some 104 octane in it (ran out) and it was a DOG .... it has 10.1 to 1 compression and tuning....it did NOT like it
dont run it in your stock car, it will slow it down
hope that helps
the more octane, the slower the gas burns, and in our cars, they are tuned to burn 91 to 94 octane, any higher, and you will lose power and create large amounts of unburned fuel which cause carbon deposits etc.
in my Z06, I can run like 104 octane, but it is tuned and has 11.0 to 1 compression, it likes race gas....my WS6 on the other hand, has stock heads and a big cam....I had to put some 104 octane in it (ran out) and it was a DOG .... it has 10.1 to 1 compression and tuning....it did NOT like it
dont run it in your stock car, it will slow it down
hope that helps
Race Director
Joined: Feb 1999
Posts: 14,263
Likes: 1
From: DFW, Texas...2001 Millennium Yellow Z06
Re: 110 octane (Ram Air Tony)
kewl BEAT Me
dammit.....I wanted to break the news first :lol:
I must type too slow :banghead:
bewahhahehehehehhehe
thanks
R
A
T
[Modified by Ram Air Tony, 3:17 PM 2/10/2003]
dammit.....I wanted to break the news first :lol:
I must type too slow :banghead:
bewahhahehehehehhehe
thanks
R
A
T
[Modified by Ram Air Tony, 3:17 PM 2/10/2003]
Burning Brakes
Joined: Aug 2000
Posts: 1,132
Likes: 1
From: Morganton, NC, USA
Re: 110 octane (Ram Air Tony)
I've also heard, but can't verify, that the computer regularly goes through a routine to see if the knock sensors are working. It intentionally bumps up the spark timing and waits to see if it gets a report from a knock sensor. If "yes", then no problem - system working. If you've got 100+ octane going through, there might not be a knock, so the computer figures the knock sensors aren't working and throws an error code. Can any C5 Tech's add to this? :cheers:
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