5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

2/3 shift

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Old Sep 10, 2011 | 05:48 PM
  #1  
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Default 2/3 shift

hey just put my tranny together does great except for a few things when driving normally driving it hangs the 2-3 shift i tried adjusting the band to 72 in lbs then backing it out 2.5 turns but still hangs it any ideas on that and when at wot it shifts good on the 1/2 shift @ 3200 but then it shifts into 3rd gear like imeadiatly. any ideas? thanks
 
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Old Sep 15, 2011 | 07:14 PM
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what happened to your tranny? did you tear down and clean the vb really good and make sure all the valves are moving smoothly?
 
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Old Sep 16, 2011 | 02:37 PM
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brand new vb from hts the clutch pack around the input shaft was roasted i replaced all clutches and steals i also put a tcs servo in it its also got the 5.1 suncoast apply lever in it
 
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Old Sep 16, 2011 | 09:06 PM
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i have heard alot of people tell me that 5:1 is too aggressive and causes a bind in the shifts, i used a 4.2:1 in mine and it work pretty good, never tired the 5:1 so i dont know how true that is, kind sounds like your problem with the 2-3 shift tho, there is a supposed fix for it but im not sure what that is, as for the early 3rd shift im not sure on that, there is a guy on comp diesel goes by bigblue he knows alot about these trannys

i just saw your in az, i went thru avondale yesterday, had to drive form mesa to peoria to do a stupid 5min fix on a gas line cause the inspector doesnt know a whole lot about gas!

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there is a guy in mesa KB transmissions he is pretty cool, if you can get him on the shop phone and talk to him he will probably give you some ideas on your problems, his name is kenny and he is the owner so hes not always there
 

Last edited by cumminspwr11; Sep 16, 2011 at 09:06 PM. Reason: Automerged Doublepost
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Old Sep 16, 2011 | 10:57 PM
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awesome thanks man ill check him out other thing are there any good diesel shops around here in the hot rod world that you know of?
 
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Old Sep 17, 2011 | 11:06 AM
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not really, i worked at reliable diesel in mesa for a bit and we built some quick trucks but in the way of 12vs i learned more on here, we built the gray SDHQ cummins that thing is quick! i remember hearing of someone in phoenix like "diesel doctor" or something, there was another shop but he closed up cause work was too slow

or where you looking for someone to work on injectors, injection pumps, o-ring heads, and build turbos?
 
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Old Sep 17, 2011 | 01:35 PM
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no just kinda curious whats around me down herei do want to have a shop bump up my timing ive never seen anyone do it n it sounds like u gotta be real percise n have that little gauge deal so i figured id just leave that part for a shop to take care of
 
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Old Sep 17, 2011 | 04:08 PM
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its not too bad to do, just call around im sure there are other shops here and closer to you
 
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