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Old 03-27-2009   #9
-=Jeff=-
 
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,165
Default Re: Chip burners jump in !!

Quote:
Originally Posted by Sgreg View Post
Always seem to have high NOX values with performance chip. Suspect the factory chip sets a richer mixture ?
hmm. richer is relative depending on the mods you might have done..

what is done to the car? is the AIR pump still inplace? hot wire it to run during the test
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