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Old 09-29-2012, 05:06 PM   #1
con10der
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Questions/Opinions on using AV100 fuel

Hey peeps, I am curious on any adverse effects on running AV100 fuel in my ride. I am currently bone stock and live in New Mexico where it is impossible to purchase anything over 91 octane at the gas stations. So I purchase AV100 from the airport. I have performed the "Fuse Pull" to re-set the ECM. Comments?
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Old 09-29-2012, 05:10 PM   #2
litle88
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It was a waste of money sir.

You won't gain anything because your not tuned or compression is not high neither is boost in your manifold nor are you spraying lol.
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Old 09-29-2012, 05:11 PM   #3
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This was brought up before. Bad idea.
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Old 09-29-2012, 05:32 PM   #4
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Just run 91 and throw in some octane juice from your local auto store, correct me if im wrong with this.
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Old 09-29-2012, 05:36 PM   #5
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Avgas has lead in it. Specifically AV100, even though it called low-lead, has 1200mg of lead in each gallon.

This is more lead than was in leaded gas back before it was discontinued because lead kills catalytic converters- so if you're bone stock, your cats are cryin' .
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Old 09-29-2012, 05:41 PM   #6
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Most octane boosters dont work either. The Torco stuff works a very few others.
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Old 09-29-2012, 05:44 PM   #7
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Quote:
Most octane boosters dont work either. The Torco stuff works a very few others.
Wasnt sure, figured i would suggest it. Just my opinion but I wouldnt run AV100 in my 30k car. Im lucky enough to live where 93 oct is at every gas station. Thanks for the info though Bo.
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Old 09-29-2012, 06:48 PM   #8
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I run AV in my banshee lol leaded fuel is no Bueno for four stroke motors...
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Old 09-29-2012, 07:16 PM   #9
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Quote:
Originally Posted by con10der View Post
Hey peeps, I am curious on any adverse effects on running AV100 fuel in my ride. I am currently bone stock and live in New Mexico where it is impossible to purchase anything over 91 octane at the gas stations. So I purchase AV100 from the airport. I have performed the "Fuse Pull" to re-set the ECM. Comments?
Get that stuff out of your car ASAP!!!!!!!!!!!!!!!!!
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Old 09-29-2012, 07:19 PM   #10
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Great
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Old 09-30-2012, 10:01 AM   #11
danvillekidd
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Quote:
Originally Posted by con10der View Post
Hey peeps, I am curious on any adverse effects on running AV100 fuel in my ride. I am currently bone stock and live in New Mexico where it is impossible to purchase anything over 91 octane at the gas stations. So I purchase AV100 from the airport. I have performed the "Fuse Pull" to re-set the ECM. Comments?

Here is the info from the manual pg 8-44:
If the vehicle has the 6.2L V8 engine
(VIN Code W) or the 6.2L V8 engine
(VIN Code J), use premium
unleaded gasoline with a posted
octane rating of 91 or higher.
For best performance, use premium
unleaded gasoline with a posted
octane rating of 93. You can also
use regular unleaded gasoline
rated at 87 octane or higher, but
the vehicle's acceleration could be
slightly reduced, and a slight audible
knocking noise, commonly referred
to as spark knock, might be heard.
If the octane rating is less than 87,
a heavy knocking noise might be
heard when driving. If this occurs,
use a gasoline rated at 87 octane
or higher as soon as possible.
Otherwise, you could damage the
engine. If heavy knocking is heard
when using gasoline rated at
87 octane or higher, the engine
needs service.

Also, with the elevation of NM (approx 3,600' for Carlsbad) you don't need 93 due to the thinner air. I've been in Alamogordo (Holloman AFB) for over a year and no issues running 91. Keep the AVgas in the airplanes.
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Old 09-30-2012, 08:47 PM   #12
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Quote:
Originally Posted by con10der View Post
Hey peeps, I am curious on any adverse effects on running AV100 fuel in my ride. I am currently bone stock and live in New Mexico where it is impossible to purchase anything over 91 octane at the gas stations. So I purchase AV100 from the airport. I have performed the "Fuse Pull" to re-set the ECM. Comments?
Ah, what is your altitude in New Mexico? I lived in Wyoming for 20 years. Most of the time above 5,000 feet. Altitude affects Octane. A standard premium at 5,000 is 90. That would equivalent to 91 octane at 900 feet in Kansas. Unless you are experiencing a knock, you are wasting money on aviation fuel. Second, standard aspirated cars loose about 20% of their horsepower above 3,000. Invest in a supercharger and use your 90 octane fuel.
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Old 10-01-2012, 08:07 AM   #13
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91 should work fine on a stock car, just run premium and be happy.

Avgas has several problems for street use. First being the lead, if it is a leaded avgas. Next being it is less dense, will need tuning to get the AFR ideal for avgas. If you run avgas in a car tuned for gas, it will be lean, probably poor throttle response.

It's a bad idea.
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