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Cobra Forums
2013-14 Shelby GT500
Why does the throttle only open 60-70% under a hard pull?
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<blockquote data-quote="Dinosgt" data-source="post: 15100925" data-attributes="member: 169099"><p>Hello Folks:</p><p></p><p>I am now getting dangerous, due to my recent acquisition of an Ngauge. I have been doing some datalogging, and have noticed something interesting, and I was hoping that the bright folks on this board could help me understand if there is an issue or not. </p><p></p><p>It seems that I almost never get 82 degrees (full) throttle in my car when running it hard. I have included 3 graphs - the first from a recent short pull in third gear (rpm vs throttle) and the second and third graphs are a recent, 2-3 pull (rpm vs throttle, and RPM vs timing). Although not included here, I have other graphs, which all show good/rich AFR (10.3-11.1), and knockR of -1 to a max of .75, air temps were IAT1 at 63 degrees, and IAT2 ranges from 106 in the beginning to 120 at the end.</p><p></p><p>Is this normal? The car runs hard, (you can see it gets loose at high RPM in second), but if the throttle isn't opening all the way, is there more on the table?</p><p></p><p>FWIW the car is a stone stock 2013 GT500.</p><p></p><p>Many thanks for any insight anyone can provide.</p><p>:beer:</p></blockquote><p></p>
[QUOTE="Dinosgt, post: 15100925, member: 169099"] Hello Folks: I am now getting dangerous, due to my recent acquisition of an Ngauge. I have been doing some datalogging, and have noticed something interesting, and I was hoping that the bright folks on this board could help me understand if there is an issue or not. It seems that I almost never get 82 degrees (full) throttle in my car when running it hard. I have included 3 graphs - the first from a recent short pull in third gear (rpm vs throttle) and the second and third graphs are a recent, 2-3 pull (rpm vs throttle, and RPM vs timing). Although not included here, I have other graphs, which all show good/rich AFR (10.3-11.1), and knockR of -1 to a max of .75, air temps were IAT1 at 63 degrees, and IAT2 ranges from 106 in the beginning to 120 at the end. Is this normal? The car runs hard, (you can see it gets loose at high RPM in second), but if the throttle isn't opening all the way, is there more on the table? FWIW the car is a stone stock 2013 GT500. Many thanks for any insight anyone can provide. :beer: [/QUOTE]
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2013-14 Shelby GT500
Why does the throttle only open 60-70% under a hard pull?
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