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Old 03-03-2009, 07:33 PM
  #61  
Toy4Bob
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Originally Posted by Greg06GT
I have a question. I uploaded the 93 octane tune on my car while having 87 octane in the tank with thoughts of taking it easy until the other quarter of a tank burnt off so i could put in the 93. Well I did this and everything is fine I just heard some spark knock while shifting. anyway can this be harmful at all ? running 93 tune on a tank of 87?
VERY harmful.... load the 87 tune back in now! seriously, everything you will read on this board says this is a major no no.
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Old 03-03-2009, 07:57 PM
  #62  
deekum1627
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very very very harmful load the 87 right now
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Old 03-03-2009, 08:32 PM
  #63  
Greg06GT
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i already have a full tank of 93 I cant load it back now
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Old 03-03-2009, 08:37 PM
  #64  
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everything seems to be fine. I'm scared.
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