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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
Few Questions after Vortech Install..
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<blockquote data-quote="jn2" data-source="post: 15429169" data-attributes="member: 178010"><p>Getting the MAF curve smoothed out takes a few hours of driving on the street under various loads and RPMs, this is not something you can effectively do on a dyno. They have to drive the car for 20-30 minutes, stop, write the changes to the tune, then drive it for another 20-30 minutes if not a bit longer since it's a fresh flash and it will take LTFT a while to populate. Once thats done, you stop, write the changes, and flash again. you pretty much repeat those steps until you are happy with the fuel trims. I usually aim for +/- 2%.</p></blockquote><p></p>
[QUOTE="jn2, post: 15429169, member: 178010"] Getting the MAF curve smoothed out takes a few hours of driving on the street under various loads and RPMs, this is not something you can effectively do on a dyno. They have to drive the car for 20-30 minutes, stop, write the changes to the tune, then drive it for another 20-30 minutes if not a bit longer since it's a fresh flash and it will take LTFT a while to populate. Once thats done, you stop, write the changes, and flash again. you pretty much repeat those steps until you are happy with the fuel trims. I usually aim for +/- 2%. [/QUOTE]
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2011-2014 Mustang Talk
Few Questions after Vortech Install..
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