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#1
Mon, March 2nd, 2009, 06:58 PM
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Tuning for Valve body/shift kit
Hey folks,
what do you change in the tuning (if anything) for a shift kit or valve body? Is it worth getting one or should I just change line pressures further in the tuning? Dan
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#2
Mon, March 2nd, 2009, 07:27 PM
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In general, we remove all shift pressure modifications and let the tranny do its thing.
Is it worth it? Yep.  The changes in the valve body will allow fluid to flow easier without having to "push" it through the smaller orifices. This allows for much smoother and firmer shifts. Definitely worth the cabbage. 
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Bill Cohron - The Mad Doctor   Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997! (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$$!  Windows™ 10 is only slightly less annoying!  Windows™ 11 is garbage!  Much to my surprise, I'm actually quite enjoying Linux! 
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#3
Mon, March 2nd, 2009, 07:37 PM
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thanks Bill.
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#4
Thu, March 5th, 2009, 03:15 PM
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I just ordered a valve body for my '05. So it is good to hear, Bill.
Ty
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2001 Dodge Cummins  Tuning is addicting. Lol. 
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#5
Fri, March 6th, 2009, 02:58 AM
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Follow Up question: the line pressure modifications come in the TV slope category and TV pressure offset, right? are there any others that I need to change?
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#6
Fri, March 6th, 2009, 10:31 PM
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TV Slope and Offset are used to modify holding pressure. You also have TV Pressure on shifts (1-2, 2-3, and 3-4) to modify these pressures up or down for shifting.
Hope this helps.
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Bill Cohron - The Mad Doctor Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997! (678) 890-1110 www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar! Bring back Windows™ XP and 7. Windows™ Vista and Windows™ 8 is a pain in my a$$! Windows™ 10 is only slightly less annoying! Windows™ 11 is garbage! Much to my surprise, I'm actually quite enjoying Linux!
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#7
Thu, March 12th, 2009, 12:46 AM
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I have a follow-up question too.
 1. What do increased line pressures do ? (i thinking more hold force against slippage under high HP conditions) 2. What are the optimum and/or safe line pressures we should be using? 3. I did the transgo shift kit in my tranny but didn't install the new pump valve and spring because I didn't want to take tranny out... can I tune to duplicate what that pump pressure spring does? If and when I do a TC upgrade. 4. Which settings control how hard and which control how fast the trans shifts?
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DJ Phoenix (my modded) Hi-1200/240Tow/75FS/80DD/100/140SS +Minotaur ASE Master Auto Technician  2001 Ford Excursion 7.3 4x4 Projects. 1970's Hustler and Max II Amphibious ATV's
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