2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

AFR

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Old Jul 13, 2008 | 06:45 PM
  #1  
Bluestar's Avatar
Bluestar
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Default AFR

Does anyone know what the Stock, unmodified, AFR is on our cars. Secondly, what should it be after the basic mods (cai, tune,headers etc.)
Old Jul 13, 2008 | 06:47 PM
  #2  
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fullboogie
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Default RE: AFR

Don't know offhand, but I'm installing my LC1 in a week and plan on datalogging my stock 08 prior to any mods. I'll PM you with what I find.

I'm sure somebody on here has logged it and will respond.
Old Jul 13, 2008 | 06:48 PM
  #3  
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howarmat
s197 Junkie
 
Joined: Sep 2006
Posts: 16,088
From: IN
Default RE: AFR

12-13 generally is acceptable for a n/a setup
FI 11-12 is more common

Bottom line at WOT it needs to be under 13
Old Jul 13, 2008 | 06:54 PM
  #4  
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Bluestar
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Default RE: AFR

Thank you for the quick reply.
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