Thread: iaw readings (what needs adjusting?)
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Old Apr 11, 2010 | 04:56 PM
  #7  
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Big Will_
Borg Warner EFR Equipped!
 
Joined: Apr 2005
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From: In the unit, building a 450bhp Time Attack Focus!
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Normally you can run around 14.5:1 AFR at idle and still keep it strong and smooth, if it's still a CVH head, you might even get away with leaner.

11.9-12.0:1 AFR is heading towards full throttle fuelling!
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