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Old 07-26-2010, 06:17 PM   #29
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Join Date: Nov 2009
Location: Connecticut
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My Ride: 2005 ZHP TT Stg 1
Originally Posted by aggieE46 View Post
You can see that I picked up a little bit everywhere. REALLY need to get some tuning done to knock out that big dip at 4200.
didn't I hear that dip was from the DISA aka idle control valve flap action? If you haven't yet you could try unplugging it during a dyno run and see if things smooth out.

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