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Old 12-06-2009, 12:38 AM   #7
bren wrx
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Member#: 59454
Join Date: Apr 2004
Chapter/Region: NESIC
Location: Worcester
'10 E92 M3 M-DCT


Originally Posted by john 1badSTI View Post
Since you are running pump gas I would fatten it up a little to 11.3 afr if you were one my customers,it should make about the same power but with less chance of det and cooler in cylinder temps.
read closer: average afr is an average......most likely between closed loop (14.7) and enrichment on boost both included in the pull.
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