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                           JabiruEngine-List Digest Archive
                                      ---
                     Total Messages Posted Sun 07/16/17: 2
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Today's Message Index:
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     1. 06:18 AM - Auto Fuel  (BobbyPaulk@comcast.net)
     2. 06:55 AM - Re: Auto fuel  (Gary Aman)
 
 
 
________________________________  Message 1  _____________________________________


Time: 06:18:06 AM PST US
From: BobbyPaulk@comcast.net
Subject: JabiruEngine-List: Auto Fuel

Sorry I had the Ron and AKI ratings reversed. 
It's an age thing. 
Still the engine runs a lot better on 100LL Av gas. 

bobby 


________________________________  Message 2  _____________________________________


Time: 06:55:20 AM PST US
From: Gary Aman <zeprep251@aol.com>
Subject: Re: JabiruEngine-List: Auto fuel

I agree completely with Bobby,mostly because I do not trust the oil 
companies to maintain quality control with such a narrow margin to play 
with.Nothing but 100LL in my 2200A S/N1295 1030 hrs G.Aman( same age as 
Bobby)
> On Jul 15, 2017, at 7:06 AM, BobbyPaulk@comcast.net wrote:
> 
> American Auto fuel is NOT high enough Octane for the Jabiru.
> I was using 92 Oct. Non Ethanol Marine fuel with an Octane booster.
> The booster would break down unless it was used quickly.
> The engine requires 95 Oct  RON which is about 3 points higher than 95 
Oct.MON ( American Rating ).
> Using Auto fuel in a high compression engine will cause detonation.
> Also most Bing carburetors lean the mixture between 2500 and 2800 RPM.
> Watch your EGT and CHT.  I am running a 260 main jet and 290 plus .002 
Needle jet and I still can not operate in those RPM ranges. 
> 
> 
> Bobby  ( age 79 )
> Zodiac 601 XL "B"
> Jabiru  3300  S/N  1141
> Sensenich 64" x 51" Prop
> Bing Carb 260 Main & 290 Plus .002 Needle Jet
> Status - Flying  280 hrs. 
> 
> Do Not Archive
> 


 

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