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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs |
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#11
Tue, June 9th, 2009, 09:55 AM
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It is so subtle that I have not noticed rpm flare in the tach. I dont have the display hooked up, I will install and reset to level 2 then watch rpms on display readout vs dash tach.
 Thanks for the thought.
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#12
Fri, December 11th, 2009, 09:04 PM
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Wondering if anyone figured anything out concerning this. My truck does this every now and then on the edge of 3 & 4th gear going up an incline with light throttle. I have to give it a bit more juice to lock the TC and stop the surging. I am running a gryphon in level 2 with a CAI while I'm waiting on my custom tunes. It was doing this stock too and has been for a pretty good while. I wonder if it is just wear & tear on the TC??
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#13
Thu, December 17th, 2009, 06:49 AM
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We're still dealing with this on some vehicles from time to time. We've since change some of the shifting and converter strategies to help eliminate this phenomenon and it seem to work pretty well for most folks. Some other still need a bit of tweaking, or their issues wasn't shift related but otherwise related to another tuning issue. In short, the custom tunes should resolve it.
Take care.
__________________
Bill Cohron - The Mad Doctor   Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1996! (678) 890-1110 www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar! Bring back  Windows™ XP and 7.  Windows™ Vista and Windows™ 8 is a pain in my a$$!  Windows™ 10 is only slightly less annoying!
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Linear Mode
