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Old 10-10-2012, 04:19 AM   #5
NSFW
Scooby Guru
 
Member#: 140444
Join Date: Feb 2007
Chapter/Region: NWIC
Location: Near Seattle, WA
Vehicle:
05 Stage Free LGT
ATP 3076, 6MT, AVO FMIC

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I would almost bet that your IAM is just dropping over time. That will cause the ECU to cut your boost roughly in half.

Maybe you need higher octane fuel, or maybe your tune is just too aggressive for the fuel that you have.
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