100 octane aviation fuel
Thread Starter
On The Tree
Joined: Nov 2001
Posts: 178
Likes: 0
From: So.Cal
100 octane aviation fuel I found out the airport across the street from work has 100 oct.What are the differences between 100 oct aviation fuel and auto fuel.Does it have any ill effects on the fuel system, o2 sensors, piston rings etc?
Im posting here because fueling is so important to you guys.
Thanks,Chris
Im posting here because fueling is so important to you guys.
Thanks,Chris
Re: 100 octane aviation fuel I am not an expert on this topic BUT have heard that the gas is formulated different because of the affects of needing to burn properly at those MUCH higher altitudes.
So I've always been told NOT to run it, maybe someone else can add in some more logic to back that up though...
So I've always been told NOT to run it, maybe someone else can add in some more logic to back that up though...
TECH Senior Member
Joined: Nov 2001
Posts: 7,036
Likes: 1
From: Lake Zurich, IL
Re: 100 octane aviation fuel I would say don't use it... I'm sending an email to a coworker now (computer programmer but used to work at Migs Airport in Chicago)
will let you know what i find out
will let you know what i find out
Re: 100 octane aviation fuel 100LL is a common airport gas, 100 octane, low lead.
I filled up a friends plane with this at sebring, (2 stroke, rotax powered) and did not like running leaded gas <img border="0" title="" alt="[Sad]" src="gr_sad.gif" /> )
Ryan.
I filled up a friends plane with this at sebring, (2 stroke, rotax powered) and did not like running leaded gas <img border="0" title="" alt="[Sad]" src="gr_sad.gif" /> )
Ryan.
TECH Senior Member
Joined: Nov 2001
Posts: 7,036
Likes: 1
From: Lake Zurich, IL
Re: 100 octane aviation fuel Talked to my friend, here's his reply:
"Yes. A guy I worked at the airport with used to put it in his Mustang every once
in awhile. We all used to back our cars up to the fence at night and fill up on
free gas. Prop planes have 4 cycle engines just like cars.
"
"Yes. A guy I worked at the airport with used to put it in his Mustang every once
in awhile. We all used to back our cars up to the fence at night and fill up on
free gas. Prop planes have 4 cycle engines just like cars.
"
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TECH Regular
Joined: Feb 2002
Posts: 426
Likes: 45
From: ohio
Re: 100 octane aviation fuel Aviation fuel is definately formulated for planes and not cars. While auto engines will run on it you will probably see a loss in power as opposed to running ultra 94. In higher HP applications running AV gas is detrimental to driveability and engine longevity.
