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The Terminator
Engine/Tuning
Anyone run a flex fuel sensor with dual 465s?
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<blockquote data-quote="MalcolmV8" data-source="post: 14443447" data-attributes="member: 8854"><p>Thanks for the links, I'm never above learning. I sat and read all the pages and I see your issue and I do agree these companies advertising it as an E85 analyzer is completely false. It measures gasoline content only and makes a horrible assumption that all else in the tank is ethanol.</p><p></p><p>However I do not intend to use it to check my E85 fuel. I'll continue using my test tube method as I always have. My intent is on transitional tanks where I'm switching fuels and I have part 91 and part E85 and I want a quick reading on the gauge to give me a good ball park as to the mix in the tank so I can adjust stoich on my tune. It would work perfect for that.</p><p></p><p>BTW on the subject of testing E85 I tested my local station and it's E75. I really couldn't care less tank to tank though. I just fill up and go. As long as my A/F is in check it's pedal to the floor!</p><p>Now I have visited some E85 stations that had a slightly different mix and threw my A/F off a little. I simply adjust stoich in the tune a small amount to compensate and off I go.</p><p>It's only these transitional tanks from one fuel type to another (91 & E85) that I care to get an electronic reading off a sensor to adjust stoich in my tune quickly. Currently I'm doing it they typical way of putting the tune into open loop, turning off adaptive learning etc. data log some pulls, calculate what I need to adjust and so forth. The gauge would just make that happen faster.</p><p></p><p>Decided I'm not spending $400 + with Zeitronix though. I'll pick up an OEM GM sensor for $70 and build my own display to show what it's reading.</p></blockquote><p></p>
[QUOTE="MalcolmV8, post: 14443447, member: 8854"] Thanks for the links, I'm never above learning. I sat and read all the pages and I see your issue and I do agree these companies advertising it as an E85 analyzer is completely false. It measures gasoline content only and makes a horrible assumption that all else in the tank is ethanol. However I do not intend to use it to check my E85 fuel. I'll continue using my test tube method as I always have. My intent is on transitional tanks where I'm switching fuels and I have part 91 and part E85 and I want a quick reading on the gauge to give me a good ball park as to the mix in the tank so I can adjust stoich on my tune. It would work perfect for that. BTW on the subject of testing E85 I tested my local station and it's E75. I really couldn't care less tank to tank though. I just fill up and go. As long as my A/F is in check it's pedal to the floor! Now I have visited some E85 stations that had a slightly different mix and threw my A/F off a little. I simply adjust stoich in the tune a small amount to compensate and off I go. It's only these transitional tanks from one fuel type to another (91 & E85) that I care to get an electronic reading off a sensor to adjust stoich in my tune quickly. Currently I'm doing it they typical way of putting the tune into open loop, turning off adaptive learning etc. data log some pulls, calculate what I need to adjust and so forth. The gauge would just make that happen faster. Decided I'm not spending $400 + with Zeitronix though. I'll pick up an OEM GM sensor for $70 and build my own display to show what it's reading. [/QUOTE]
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Anyone run a flex fuel sensor with dual 465s?
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