Shift points after gear change

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Old

Feb 25, 2018 | 09:02 AM

#1

28ronald

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Shift points after gear change

I have a 1999 f150 4.6 that was geared 3.08. I have changed to 3.73 gearing. I have recalibrated my speedometer with a superchips flashcal. Now my transmission shift points seem to be off (shifting to soon). How can I correct the shift points?

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Old

Mar 17, 2018 | 10:27 AM

#2

SuperDutyScaler

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Joined: Nov 2008

Posts: 8,449

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From: South Jersey

Your superrchip can only adjust the WOT shift points, your gonna need a custom tune to adjust the part throttle shifts

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Old

Mar 17, 2018 | 03:40 PM

#3

Im50fast

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Joined: Apr 2013

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From: Central Florida

Quote:

Originally Posted by 28ronald

I have a 1999 f150 4.6 that was geared 3.08. I have changed to 3.73 gearing. I have recalibrated my speedometer with a superchips flashcal. Now my transmission shift points seem to be off (shifting to soon). How can I correct the shift points?

just curious why you chose such a mild gear change..?

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