Aviation Fuel
10-30-2007, 07:36 PM
#3
Burning Brakes
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I ran it years ago in one of my old 944T's and it preformed fine and was cheaper than race gas. After asking people in the aviation industry I was told it would do fine and cause no issues, which no longer than I ran it (about a year off and on) all was ok.
10-31-2007, 01:57 AM
#4
Drifting
Thread Starter
It's available for about 3.50 a gallon at my local hanger. I have no cat and thought that it would be fine.
I used it in my last 951 with no issues for about two years, but wanted to know if I was just lucky.
Thanks,
George
I used it in my last 951 with no issues for about two years, but wanted to know if I was just lucky.
Thanks,
George
10-31-2007, 01:38 PM
#7
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The density of Av Gas is lower than the density of automotive fuel, the engine must be tuned for the Av gas.
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10-31-2007, 09:36 PM
#10
Drifting
Thread Starter
John,
Do you mean tuning for 100 octane fuel? When using this fuel and a 100 pump octane tune, the avgas gave similar readings on my 02 gage as pump 100. It ran very well and similar to $6.50 pump octane.
I have no cat, and 02 sensors are cheap and easy to replace.
G
Do you mean tuning for 100 octane fuel? When using this fuel and a 100 pump octane tune, the avgas gave similar readings on my 02 gage as pump 100. It ran very well and similar to $6.50 pump octane.
I have no cat, and 02 sensors are cheap and easy to replace.
G
10-31-2007, 10:20 PM
#12
Rennlist Member
George, couldn't you get separate maps for pump and Avgas?
11-01-2007, 01:39 AM
#13
Drifting
Thread Starter
Patrick,
Yes, I can tune the car to Avgas. It's just that running Avgas with a 100octane pump tune, it seemed to run very similar a/f ratios. I'll see when my new motor is done. I just like the thought of being able to run 100 octane for .50 cents more per gallon than crappy 91 gas here in Az.
I did not have any signs that Avgas ran leaner than regular old 100 pump. I didn't go over 20psi though running this fuel.
George
Yes, I can tune the car to Avgas. It's just that running Avgas with a 100octane pump tune, it seemed to run very similar a/f ratios. I'll see when my new motor is done. I just like the thought of being able to run 100 octane for .50 cents more per gallon than crappy 91 gas here in Az.
I did not have any signs that Avgas ran leaner than regular old 100 pump. I didn't go over 20psi though running this fuel.
George
11-01-2007, 02:20 AM
#14
Drifting
Thread Starter
Thanks DJC,
My new 3.0 motor was very expensive. I will spend the extra few bucks when I want to run more boost.
I always appreciate candor. One would assume that avaition fuel is of the highest quality. Small turbo aircraft run very low rpm's as compared to petrol auto engines, so this makes sense.
George
My new 3.0 motor was very expensive. I will spend the extra few bucks when I want to run more boost.
I always appreciate candor. One would assume that avaition fuel is of the highest quality. Small turbo aircraft run very low rpm's as compared to petrol auto engines, so this makes sense.
George
11-01-2007, 04:29 AM
#15
Rennlist Member
Patrick,
Yes, I can tune the car to Avgas. It's just that running Avgas with a 100octane pump tune, it seemed to run very similar a/f ratios. I'll see when my new motor is done. I just like the thought of being able to run 100 octane for .50 cents more per gallon than crappy 91 gas here in Az.
I did not have any signs that Avgas ran leaner than regular old 100 pump. I didn't go over 20psi though running this fuel.
George
Yes, I can tune the car to Avgas. It's just that running Avgas with a 100octane pump tune, it seemed to run very similar a/f ratios. I'll see when my new motor is done. I just like the thought of being able to run 100 octane for .50 cents more per gallon than crappy 91 gas here in Az.
I did not have any signs that Avgas ran leaner than regular old 100 pump. I didn't go over 20psi though running this fuel.
George