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Making the change...87 to 93

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Old 07-27-2010, 02:09 PM
  #31  
tekzilla41
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I had heard that the 2010 GT, if filled with premium, would give you something like 10ftlbs boost in torque. Does filling with 91 octane accomplish this or does it take 93 before the computer switches tunes? We only have 91 octane where I live (for whatever stupid reason).
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Old 07-27-2010, 03:07 PM
  #32  
Gene K
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The 2010 Premium Map is set for 91 Octane. Some cars will run on 89 without pulling timing.
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