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We bought a used GT out of Texas. It runs great! In fact, the way it runs and shifts I have a strong suspicion that the engine and trans are tuned. I am a complete virgin when it comes to this topic. My scanner shows OEM calibration, but I'm sure that can be faked in a tune. How do I find out what possible specs this is tuned to? Can a tuner plug into it and determine what it has? It seems to run fine on 87 octane fuel but......?
 

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While there are other ways I am certain , anyone with HP tuners could download your file and compare it to a stock GT file
 

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Try Facebook (ugh) or the forum's regional section (South East) albeit it's rather inactive.
 

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2009 GT, Black
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Worse case, I guess you could find a local tune shop to ask.
 
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