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2013-14 Shelby GT500
Well that didn't last long...
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<blockquote data-quote="fearthesnake" data-source="post: 15584777" data-attributes="member: 40345"><p>Just my opinion but I don't think your problem is Gas, I think you have to aggressive Tune. Seems like to me you are right on the edge Timing wise. Any change in temperature or gas variances could cause issues.</p><p></p><p>What were your Air/Fuel readings throughout the Dyno run or tuning session?</p><p></p><p>If I were you, I would get a 2nd opinion on that Tune from a different Tuner. Unfortunately, I don't know anyone in your area but Kurgan Motorsports in Atlanta is one of the best in the SE. Call Bob Kurgan there and talk to him about your issues.</p><p></p><p>Also what are your Mods? Just a 65mm FRPP Throttle Body? If no other changes and stock upper pulley, 15lb is much more accurate than 18lb boost. Something seems off there as well when you were reading 18psi.</p></blockquote><p></p>
[QUOTE="fearthesnake, post: 15584777, member: 40345"] Just my opinion but I don't think your problem is Gas, I think you have to aggressive Tune. Seems like to me you are right on the edge Timing wise. Any change in temperature or gas variances could cause issues. What were your Air/Fuel readings throughout the Dyno run or tuning session? If I were you, I would get a 2nd opinion on that Tune from a different Tuner. Unfortunately, I don't know anyone in your area but Kurgan Motorsports in Atlanta is one of the best in the SE. Call Bob Kurgan there and talk to him about your issues. Also what are your Mods? Just a 65mm FRPP Throttle Body? If no other changes and stock upper pulley, 15lb is much more accurate than 18lb boost. Something seems off there as well when you were reading 18psi. [/QUOTE]
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2013-14 Shelby GT500
Well that didn't last long...
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