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2011-2014 Mustangs
VMP Performance
Hand held Tuner vs Local Speed shop tuning
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<blockquote data-quote="Justin@VMP" data-source="post: 11136466" data-attributes="member: 18468"><p>In 2011 Ford added wideband o2 sensors to the Mustang, this gives the computer real time air to fuel ratio feedback at Wide Open Throttle. Previously, mustangs only measured air/fuel when idling and cruising, as the narrowbands did not work at WOT. </p><p></p><p>Air/fuel ratio is one of the biggest variables that is "tweaked" during a dynotune. The fuel trims still need to be looked at on an 11 when dynotuning, but the computer will tune out any abnormalities. </p><p></p><p>A good mail order tune can take you car far, and is very safe on these cars. It's a good option if you don't have a local tuner, and may be a good option even if you do.</p><p></p><p>I do dynotuning at my shop, but its quite a bit more expensive than just coming by to pick up a handheld tuner. I tell many local customers that are just getting started to skip the dynotune and put their money elsewhere. </p><p></p><p>Many people are concerned about the #8 cylinder issue, but that can happen even with a dynotune that is too aggressive.</p></blockquote><p></p>
[QUOTE="Justin@VMP, post: 11136466, member: 18468"] In 2011 Ford added wideband o2 sensors to the Mustang, this gives the computer real time air to fuel ratio feedback at Wide Open Throttle. Previously, mustangs only measured air/fuel when idling and cruising, as the narrowbands did not work at WOT. Air/fuel ratio is one of the biggest variables that is "tweaked" during a dynotune. The fuel trims still need to be looked at on an 11 when dynotuning, but the computer will tune out any abnormalities. A good mail order tune can take you car far, and is very safe on these cars. It's a good option if you don't have a local tuner, and may be a good option even if you do. I do dynotuning at my shop, but its quite a bit more expensive than just coming by to pick up a handheld tuner. I tell many local customers that are just getting started to skip the dynotune and put their money elsewhere. Many people are concerned about the #8 cylinder issue, but that can happen even with a dynotune that is too aggressive. [/QUOTE]
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Hand held Tuner vs Local Speed shop tuning
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