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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
LT Tune Question
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<blockquote data-quote="El_Joker" data-source="post: 14248725" data-attributes="member: 163428"><p>Have a question for anyone running LT's and A/F numbers you're seeing. I have a 2013 GT with a TVS (82mm) and 1 7/8" Kooks with a catted H. In traffic between shifts I am seeing A/F's dropping down to 11.5 or so from the dash gauge; sometimes even lower. This being normal acceleration mind you. I've had a few times at stops where it would just cause my engine to die.</p><p></p><p>I've talked with my tuner and they said everything was fine but it doesn't seem that way to me. When I was running just the 575 kit I had no problems of it dying or seeing go so rich, so would the addition of LT's change things that much or should I be looking for a new tuner? I've found raising my idle rpm's by 500 rpm helped it from dying. but it still surges like crazy when the A/F goes so rich under normal driving.</p></blockquote><p></p>
[QUOTE="El_Joker, post: 14248725, member: 163428"] Have a question for anyone running LT's and A/F numbers you're seeing. I have a 2013 GT with a TVS (82mm) and 1 7/8" Kooks with a catted H. In traffic between shifts I am seeing A/F's dropping down to 11.5 or so from the dash gauge; sometimes even lower. This being normal acceleration mind you. I've had a few times at stops where it would just cause my engine to die. I've talked with my tuner and they said everything was fine but it doesn't seem that way to me. When I was running just the 575 kit I had no problems of it dying or seeing go so rich, so would the addition of LT's change things that much or should I be looking for a new tuner? I've found raising my idle rpm's by 500 rpm helped it from dying. but it still surges like crazy when the A/F goes so rich under normal driving. [/QUOTE]
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LT Tune Question
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