Just curious if any of you folks run it and how it compares to race gas.

Ran it for years in a 12.5:1 440 and never had any problems. Ran as good as VP 110 in that motor.

That's what I have been hearing. .......Thankxx

Been running it for years. Car runs the same as it did on Sunoco 110 . 11.2:1 engine . I always mix in a little Lucas top end lube with it .

Back before I could afford a HEMI, I built like, 12 BB Chevys. Always used the "Bible", How to Build a Big Block Chevy. I wore out the first one. It often quoted Chevy engineers. They RECOMMENDED AV gas if racing gas was not available. I ran it for years, (worked at the airport and took flying lessons). Never had a problem in 12:1 L-88 and LS7s.

I always use to put it in the challenger when I was racing the car. A guy that works on lawnmowers just told me to use it whenever possible instead of pump gas

Should be in Vegas next month and don't want to mess with E 85 so figured I'd try some.

Aviation gas is formulated for low rpm engines at higher altitudes and does not have the BTUs race gas can produce. It sure is better than pump 93 octane that's for sure. It has very different specific gravity also that must be accounted for when tuning. [url=http://www.automotiveu.com/racevsav.htm][/url]
Anyone know what this is?

I'm turning 2300 rpm and it's almost redlined on 100LL!
http://i21.photobucket.com/albums/b260/challenger19711/After%2012-8-14/IMG_52541.jpg

you are wasting your time

What's the purpose on the upper lube?

AV gas is all I use . Since 95 I have not used anything else . No issues at all . Gary

To be honest , I really dont know. When I made the switch , it was at the recommendation of friends that had been running it for years . They told me to add the lube ,so as a matter of practice, I have always used it .

AV is the only gas that's been in my Hemi.

So do you guy's know someone at the airport? the air ports I've been to have the area all fenced in and you have to go through the building , then through a locked door. If you don't have a plane, you don't get passed that door.

That's what it's like over here now. I used to use it in a 282ci hemi 6 with 12.9 comp, solid lifter engine. Ran Best with 50/50 mix 98pump (your 93) and Av Gas. The motor felt slightly less responsive with straight Av Gas probably because it's a slower burning fuel.

I am calling BS on that, if you look at the piston velocities of a Pratt 4360, its equivalent to a SBC at 8000+ rpms. Its not about RPM's it about piston speed.....and at 4500 foot above sea level altitude, our regular gas is only 85 octane...oh and 130-145 octane avgas burns slower than 100 low lead. Your continental or Lycoming engine with a 5" stroke has a lot of velocity and is running at 85% power for hours on end, not something that a car engine typically does. Tim

Bring some cans and tell them you want to buy some gas, the fuel sellers at the airport need to sell fuel to pay their insurance...Tim

I've been using LL forever.

30% Av to 87 Octane has been working perfect for me.

Why am I using 87 to blend with LL instead of 91? I don't trust that Premium at the pumps is fresh or really premium at all when you hear about the little stories told from guys at the refineries and Truckers that haul it, so I don't bother with it.

The sell E85 at the Rebel stations in Vegas. Tony (70aarcuda) has three race cars running on it. Al might even have a 4500 E85 carb he might sell..... just a thought.

No desire to run E 85 at this point or I would build my own carb but who knows down the road.