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E4OD Shift Point Adjustment

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Old 10-16-2011, 08:50 AM
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E4OD Shift Point Adjustment

Is it possible to adjust the shift points on a E4OD? Mine feels like it is up shifting to quickly from a stop and bogging down. If I shift manually, or start with the shifter in 2nd it is ok. I have a 95 F250, 351, 6" lift, 37" tires, 4.10's in the rear.
 
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Old 10-16-2011, 09:22 AM
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The only way the shift points can be changed on an E4OD, and other transmission functions, is with aftermarket tuning.
 
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Old 10-16-2011, 01:47 PM
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Did you recalibrate the speedo for the tires? If not the shift points will be off.
 
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Old 10-16-2011, 05:15 PM
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Originally Posted by Lazy K
Did you recalibrate the speedo for the tires? If not the shift points will be off.
X2 Your truck uses a PSOM to divide down the signal from the rear VSS sensor. This PSOM supplies the drive signal to the speedometer/odometer as well as the Powertrain Control Module (PCM). Those tires you put on are throwing off the shift point calculations.
 
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Old 10-17-2011, 05:48 AM
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^^^^X 3...
 
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Old 10-17-2011, 08:07 AM
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Thanks for pointing me in the right direction. I'll post results after i'm done.
 
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Old 10-17-2011, 09:11 AM
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