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View Full Version : 4speed RWD/FWD Transmission Tuning (incl T42)



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  1. 4l80 torque conv not unlocking on acceleration in top
  2. Trans Fluid Temp
  3. 4L80E swap problems
  4. T42 tutd
  5. 4L60E to 4L80E DTC Settings
  6. copying trans segments
  7. 4L80E swap, logged some data, take a look
  8. Desired Shift Times
  9. 4L60E wont lockup using bidirectional controls
  10. T42 4l70e to 4l80e segment swap
  11. can you run a 04 4L60 with a 08 T42?
  12. Speed Density Tuning, Trans now shifting harsh!
  13. 4L80E shifting issue
  14. Torque Signal Pressure
  15. T42 OS Swap
  16. 4l80e TCC trouble
  17. 4L60E not holding first gear when shifter set at 1st.
  18. 4l80e swap, hesitation between 1-2 and 2-3 shifts
  19. Just anothe 4L60E to 80E swap....
  20. 4L80E Trans Tuning, Possibl to reverence MAP instead of TPS??
  21. Shift overshoot...trans or tune?
  22. Transmission Manual Mode
  23. tuning for 4l65e with dakota digital 8k
  24. 411 swap, now P0706 and P1810
  25. 4L80E with Trans Brake, no reverse, line pressure?
  26. TCC Lockup Issues
  27. Torque converter tune
  28. Torque Reduction with High Stall Converter?
  29. 5.7 Vortec 4L60E Shifts Hard From Park
  30. 04140003 OS and 4L80E ....Can it be done with segment swap ?
  31. New member looking for some input on tune
  32. Free Shift Correction Spreadsheet
  33. 4l60E 4th shift pressure 96PSI
  34. 4l60e slipping? or TC locking and unlocking
  35. Help with different shift patterns
  36. P0757 help..
  37. 4l60E Trans Shift VSS Vs Rpm
  38. 4L60E TCC Parameters
  39. Can a older 4L60E with preasure manifold and 3-2 be controlled with a 2010 TCM?
  40. installing higher 2500rpm tc, tunning ?
  41. 4l80e swap t42
  42. T42 4L80 tow/haul switch
  43. 4l80e PI3800 triple disk chatter off idle
  44. Going from 4L60E to 4L80E and keep 4L60E segment, relays mod, any help?
  45. 4l80e swap into 1260691 pcm
  46. 09373372 OS need 4l80e Segment swap
  47. New t42 module
  48. T42
  49. T42 OS Compatibility
  50. 4l80e shifts won't shift until redline
  51. 55 chev LS3 conversion E40 T42 mph problems
  52. newbie needs some help with an a4 2-3 shift issue!
  53. Downloading Transmission Adaptive Shift Cells
  54. Scanner- 4l80e Pressure control
  55. Commdoore L76 (e38) and 4L80e (T42) issues
  56. 2009 Silvy with 4L80E swap ... can someone look over the TCM file?
  57. Looking for a T-42 Swap Match!
  58. Pwm
  59. Tshift pid
  60. How to stop upshift from 1st to 2nd while in 1st gear 2003 silverado 4L60
  61. GMPP LS3 with T42
  62. 4L85E TCC Tuning Help
  63. 4L80E Line Pressure
  64. shift point correction
  65. TCC lockup temperature
  66. Is this possible???? Experts needed for this one
  67. What does a segment swap do?
  68. need a 4l80e os12606807 for tranny swap
  69. My experience with my 4L80E on T42 swap with
  70. Need to verify if tune file I downloaded is 4L80E
  71. E38 & T42 Compatibility
  72. wot 2-3 shift on limiter
  73. Any way to soften shifts a little after corvette servo? 2008 4l60e T42
  74. shifting problem 4l60e
  75. Need an opinion and help on the pressures/ slip of new tranny. Files attached
  76. looking for 4l80e stock tune
  77. 2004 4l60e not shifting out of first.
  78. TCC release help?
  79. Transfer case ratio
  80. 4L80e - ECM commanding D4 shift pattern, without a DTC?
  81. 4L80e - ECM commanding D4 shift pattern, without a DTC?
  82. Want to lockup 4L60E in third gear at WOT
  83. 4l80e lock up question
  84. GMPP LS3 (E38) w/ 4L70E in square body 4x4
  85. Jakes Performance 4L80E Stage III tuning
  86. Upshifts Too Late, Downshifts Too Soon In One Truck But Works Great In Another
  87. Transmission tuning with E38 controller?
  88. 4l80 swap os numbers needed
  89. 4l80e not shifting out of first
  90. Long Shift Times
  91. 2012 T42 tcm 4l60e to 4l80e
  92. Old T42 tune to new T42 requires updated operating system, segment swap?
  93. 4l80e change gear completely opposite to what it should
  94. t42 4L80e 3-4 voodoo
  95. T56 to 80E hurdles
  96. 4L80E swap always in 1st
  97. T56 to 80E first drive
  98. 4L80E Harsh Engagement - TCC Drag
  99. 4L60E Shift Pressure Knowledge
  100. Need 4L80E segment swap wiring schematic
  101. No Lockup
  102. need O/S 24255281
  103. Tuning transmission for single wire park/neutral input
  104. T42 4L80 file
  105. T42 4L60E 3-4 UpShift issue
  106. Stock TCM Parameters Needed - 2006 Trailblazer SS T42
  107. 0411 Segment swap issues 80E
  108. 80E Segment swap and ABS not working
  109. 4l60e TCC Lockup unlocking at 0% throttle
  110. EFILive, please add these options that your competitor did over 8 years ago!
  111. 03 6L 4L80E VSS 1/2 GPS Speed
  112. 4L80 T42 problems
  113. 4L80E TCC release at idle
  114. 4L60E Transmission Torque Reduction during WOT
  115. T-42 stock tune for OS 24252617
  116. 4L80E/4L85E 8.1 TCC Minimum Speed and Factory Lockup-Shift Tuning
  117. Line Pressure PID for 4L80?
  118. 4L80E 3-4 Large Shift Time Error/TCC Cycling After Shift
  119. 4l80e Swap with COS5
  120. single wire P/N in gear setting
  121. 4L80E Stock file with 01250003 OS?
  122. Burning transmissions like marshmallows at a campfire
  123. Ls1 12225074 4l60 to 4l80 conversion