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2013-14 Shelby GT500
What’s needed for the flex fuel tune?
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<blockquote data-quote="Bad Company" data-source="post: 16335907" data-attributes="member: 141815"><p>To my knowledge all the car manufactures use sensors in the fuel system to read the alcohol percentage of the fuel to make compensations for the percentage of alcohol in the fuel before you're injecting it into the cylinders. I wouldn't trust the readings of the O2 sensors in the exhaust to be as accurate after the fact the fuel has been burnt in the cylinder. AED maybe doing it this way, but it leads me to think they'd be very conservative with the tuning to keep from having to much timing or a lean condition occur in the cylinder before it is seen down stream in the exhaust.</p></blockquote><p></p>
[QUOTE="Bad Company, post: 16335907, member: 141815"] To my knowledge all the car manufactures use sensors in the fuel system to read the alcohol percentage of the fuel to make compensations for the percentage of alcohol in the fuel before you're injecting it into the cylinders. I wouldn't trust the readings of the O2 sensors in the exhaust to be as accurate after the fact the fuel has been burnt in the cylinder. AED maybe doing it this way, but it leads me to think they'd be very conservative with the tuning to keep from having to much timing or a lean condition occur in the cylinder before it is seen down stream in the exhaust. [/QUOTE]
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2013-14 Shelby GT500
What’s needed for the flex fuel tune?
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