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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Air fuel ratio E85 TVS
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<blockquote data-quote="mackdog2008" data-source="post: 15049318" data-attributes="member: 152681"><p>So I had my car on the dyno yesterday, 1st time since I have been running E85 (which is actually E70) for over a year.</p><p></p><p>Made 728 RWHP and 624 RWTQ !</p><p></p><p>Last time on 91 I made 633rwhp and 558rwtq </p><p></p><p>That's on 10.8 pounds of boost</p><p></p><p>The shop that did my dyno told me he thought it was running a little lean, he is seeing .83 to .84 lambda up top, is that lean for E85? </p><p></p><p>I have been running this for over a year and I looked at the data logs from a year ago and it shows the same thing, .83 to .84 up top but it's also running .80 to .83 all the way through the pull so is this a problem? </p><p></p><p>I am sending the logs to Justin at vmp for review but if it's always been like this and he has seen the old logs then maybe he intends for it to be that way.</p><p></p><p>I am not saying there is anything wrong with Justin's tune, I am concerned that I may be out of fuel or my pump is failing me.</p><p></p><p>Again this is NOT A thread saying Justin's tune isn't any good so let's NOT turn this into a tuner bashing thread!</p><p></p><p>Thanks guys.</p></blockquote><p></p>
[QUOTE="mackdog2008, post: 15049318, member: 152681"] So I had my car on the dyno yesterday, 1st time since I have been running E85 (which is actually E70) for over a year. Made 728 RWHP and 624 RWTQ ! Last time on 91 I made 633rwhp and 558rwtq That's on 10.8 pounds of boost The shop that did my dyno told me he thought it was running a little lean, he is seeing .83 to .84 lambda up top, is that lean for E85? I have been running this for over a year and I looked at the data logs from a year ago and it shows the same thing, .83 to .84 up top but it's also running .80 to .83 all the way through the pull so is this a problem? I am sending the logs to Justin at vmp for review but if it's always been like this and he has seen the old logs then maybe he intends for it to be that way. I am not saying there is anything wrong with Justin's tune, I am concerned that I may be out of fuel or my pump is failing me. Again this is NOT A thread saying Justin's tune isn't any good so let's NOT turn this into a tuner bashing thread! Thanks guys. [/QUOTE]
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Air fuel ratio E85 TVS
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