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107 build pinging

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Old Sep 8, 2015 | 08:36 PM
  #11  
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Could you add a bit of gas in that RPM/throttle position to cool the cylinder?

Sounds like it could be pre-igniting which is not coming from the actual spark plug/timing.
 
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Old Sep 9, 2015 | 05:24 AM
  #12  
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Why don't you spend the money and get it tuned properly.You cant rely on a canned map there are way too many variables.The canned map that works up in Wi.may not work down in Texas.
 
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Old Sep 9, 2015 | 05:46 AM
  #13  
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Surprised to see no one mention call Fuel Moto...at least give them a heads up and see what they say.
 
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Old Sep 9, 2015 | 07:27 AM
  #14  
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Dyno time
 
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Old Sep 9, 2015 | 07:28 AM
  #15  
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Default 107 build pinging

I've got an email into Jamie already and while waiting for a reply I wanted to stop in here for some advice.
 
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Old Sep 9, 2015 | 09:34 AM
  #16  
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A little carbon buildup will make a high compression motor ping like a bitch
 
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Old Sep 9, 2015 | 09:58 AM
  #17  
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i'm going to check for intake leaks and carbon buildup with my borescope today. we'll see what happens.
 
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