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Old 04-05-2006, 05:17 PM   #7
Element Tuning
Former Vendor
 
Member#: 54918
Join Date: Feb 2004
Chapter/Region: MAIC
Location: Gaithersburg, MD
Vehicle:
673 WHP Element
Tuning Pro Comp Engine

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Quote:
Originally Posted by entropy138
How 'high' of an rpm range are you looking for it to remain CL?

I've had mine set at 4300rpm (based on the setup guide) and observed it using the STT (short term trim i'm assuming) to keep it right near 14.7 and after Phil tuned it he set it at 3800 rpm for various reasons...
Yes, you don’t want the closed loop fuel control on for all rpm ranges unless you are using “Autotune.” When I tune cars I set the “closed loop” to “Wideband Target Table” which has closed loop feedback even into boost. You just want to make sure that you revert to “open loop” fuel by about peak boost incase there is a WB failure. This delivers consistent, smooth, and great fuel economy since there is an AFR feedback under most driving conditions.

Thanks,
Phil
http://www.elementtuning.com
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