Thread: AFR readings - Cosworth
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Old Sep 23, 2011 | 08:56 AM
  #27  
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Martin-Hadland
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Originally Posted by Mark Shead
If you want to trust the AFR you are seeing its a must, I prob average one ever 6 months depending on how much I use it.

Mark
Do you have the part number for that Mark?? I may give it a try and see.
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