max rpm when shifting atm trans from 1-2 - Ford Powerstroke Diesel Forum
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Old 04-12-2013, 06:00 PM
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max rpm when shifting atm trans from 1-2

Just had my trans done had to take it back to the shop,cause with my prog it was shifting way to high,2 the point the rev limter would kick in,so turned back to stock and still seems to high when I mat it,shifts at like 3250,guys at the shop cant figure it out and are trying to blame prog. but its still taking along time stock it just dosent have that extra 100hppushing it a couple hundred rpms to hit the rev limit......please help
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Old 04-14-2013, 02:58 PM
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Anybody please......what is the max when getting on it rpm wise it should shift at,its a 2002 7.3without my edge cs it still is shifting at 3250,and with the prog its at about 3500-4000,is there any way to adjust shift points besides a programmer?
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Old 04-15-2013, 06:20 PM
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Allright so nobody wants to give me any info,well talked to the guys at edge today and found out my programmer has never been upgraded since 2010 when it was sold,so updated it today turned shift points down all the way and still did it,when floored from take off would hit rev limiter from 1-2 at about 3500rpms,so changed tire size to 255 75 16,and would just shift before it would hit limit,so the edge tech said if the upgrade didn't work then call them back and there was a couple other things they could try,so will wait and see.
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Old 04-23-2013, 06:44 AM
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Have them check the pressure when shifting, also did they put a shift kit in it?

Get back to me with the pressure readings, I am not talking about mechanical pressure from the tcm, I am talking about a gauge hooked to the side of the transmission when driving. There should be a plug on the driver's side if I am not mistaken then you can hook a fitting to and read the pressure internal of the case from there.
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Old 05-05-2013, 07:17 PM
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Thanks,have been very busy its been a minute since I have been on here,so I will have them check that they said everything is checking out and no shift kit,i even bought the new hydra chip to make sure it wasn't the programmer,and still does it,could the vale body be worn out?seems like it lags at end of these high shifts,and shifts pretty hard a lot of times,also 2 days ago when getting on it getting on the freeway seemed like it was going in and out of overdrive for a second like it was slipping then grabbing slipping then grabbing,and seems like it does it when its been driven for awhile....please help..
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Old 05-16-2013, 06:52 PM
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Finally got problem resolved thanks to John Woods and my self, after talking to john he recommended installing one of his tuned valve bodies and sure enough it shifts like a champ.....thanks John your the man.
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Old 05-16-2013, 06:59 PM
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What kind of truck?
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