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  1. S

    Trans fluid

    Hey Mike what transmission fluid do you use after your builds? Sent from my HTC One A9 using Tapatalk Sent from my HTC One A9 using Tapatalk
  2. S

    Allison 5sp: Trans fluid

    I'm changing out trans fluid do to bad internal wiring harness and going to use a deeper pan. What fluid do you all recommend (Transynd) or something else. Sent from my HTC One A9 using Tapatalk
  3. S

    Shifting issues

    Another thing noticed is when get on it hard with efi live on level 4 haven't even tried 5 I get slight slippage. No limp mode cause tranny should be able to handle just slight slip. Not sure if related Sent from my HTC One A9 using Tapatalk
  4. S

    Shifting issues

    Extreme in tow/haul mode. Sorry didn't write that in Sent from my HTC One A9 using Tapatalk
  5. S

    Shifting issues

    OK so after a few drives alone and with toyhauler all the test indicate that it jerks during regular driving and extreme with multiple jerks during same shift when the torque converter is locking and unlocking. Anyone know how to stop this? Sent from my HTC One A9 using Tapatalk
  6. S

    Shifting issues

    The problem has been the same since day one with no progress one way or the other. Nothing else is weird to how it drives. I changed the fuel filter and added the Airdog right after the kind maybe fuel problem to no prevail nothing else changed to rear-end. Sorry I have no more detail that's...
  7. S

    Shifting issues

    First off I'm just hoping to get help on what the problem could be. Don't need to be ?ed whether or not Mike installed my transmission or not. Things happen and maybe something happened to fail internally. Stock cp3 ,4wd ,CAI, 4" exhaust, Ppe boost valve ,Airdog 165, intake horn,monitoring...
  8. S

    Shifting issues

    2004. Yes in stock mode with everything disconnected. Almost ever time it downshifts to keep speed up on grades. Not as much on flat ground but does still do it. Yes it will in normal mode but not as extreme of a jerk Sent from my HTC One A9 using Tapatalk
  9. S

    Shifting issues

    That's the bad part. It most likely won't on city streets. It's really the worst in tow/haul mode with my trailer up grades. Never did it once towing or not until the trans was built. That's why I think it has something to do with the trans but with out it acting up for you I'm lost Sent...
  10. S

    Shifting issues

    I thought that it might have played a part in it. I was running banks which.... so I have gone back to stock and removed it. Should be receiving efilive with Kory Willis tunes and we will see how bad or good it is then. Mike L this is a trans you did and I only have 12k miles on it. I feel...
  11. S

    Shifting issues

    Yes the truck is tuned and built I'm throwing no codes. It's been doing it a little after the trans was built Sent from my HTC One A9 using Tapatalk
  12. S

    Shifting issues

    It has but mostly in fifth while regular driving and 3rd 4th while towing. It's like 2 or 3 jerks when downshifting and trying to get going Sent from my HTC One A9 using Tapatalk
  13. S

    Shifting issues

    Hey everyone. I have an lb7 and few times when accelerating up a grade I get a jerk/buck but not all the time. When I'm in tow mode with my 5er hooked to me and it downshifts I get major jerking and bucking as if I was shifting a manual and not doing it smooth. Can't figure out why and is...
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