The "Juice Box"

Ask all your auto trans and torque converter questions here.

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  1. Mr. Sunset
    Sticky

    Got jiggy with it. 4L80E behind 455 BBB

    Mr. Sunset, Oct 18, 2015 ... 5 6 7
    Replies:
    126
    Views:
    30,086
    Troys69GS
    May 12, 2020
  2. techg8
    Sticky

    TH350 / 200R4 swap summary

    techg8, Apr 11, 2009 ... 2 3 4
    Replies:
    69
    Views:
    32,046
    techg8
    Jun 21, 2020
  3. Jim Weise
    Sticky

    VP converter- Trans visual ID guide

    Jim Weise, Dec 19, 2007 ... 2
    Replies:
    31
    Views:
    50,632
    DavidC77
    Jul 29, 2011
  4. nailheadina67

    Official '66 SP 400 buildup thread

    nailheadina67, Mar 24, 2005 ... 7 8 9
    Replies:
    172
    Views:
    15,424
    Golden Oldie 65
    Apr 16, 2010
  5. Luxus

    TH400 trans rebuild

    Luxus, Sep 26, 2019 ... 6 7 8
    Replies:
    156
    Views:
    4,907
    Luxus
    May 1, 2020
  6. 1969RIVI

    Rebuilding my TH400

    1969RIVI, Jun 9, 2019 ... 5 6 7
    Replies:
    132
    Views:
    3,675
    1969RIVI
    Aug 14, 2019
  7. LARRY70GS

    Transmission Cooler Recommendation.

    LARRY70GS, Jul 28, 2015 ... 3 4 5
    Replies:
    96
    Views:
    23,436
    '72 Skylark Custom 4bbl
    Feb 16, 2020
  8. GRIMM

    Torque Converter Preference

    GRIMM, May 7, 2006 ... 3 4 5
    Replies:
    92
    Views:
    22,138
    speedtigger
    Dec 3, 2011
  9. Cutlass

    My 200-4R swap adventure (1970 Buick GS 455 TH400==>TH200-4R)

    Cutlass, Nov 4, 2018 ... 3 4 5
    Replies:
    81
    Views:
    4,973
    Cutlass
    Nov 25, 2019
  10. Donuts & Peelouts

    General trans?

    Donuts & Peelouts, Aug 15, 2017 ... 3 4 5
    Replies:
    81
    Views:
    5,892
    Donuts & Peelouts
    Feb 28, 2018
  11. BWINN519

    Turbo 400 to 200R4 trans Questions

    BWINN519, Nov 13, 2011 ... 3 4 5
    Replies:
    80
    Views:
    14,989
    brycenel
    Jul 18, 2015
  12. Kirk

    How to Rebuild a Super-Turbine 300 (ST-300) - A Pictoral Essay

    Kirk, Jan 16, 2006 ... 2 3 4
    Replies:
    79
    Views:
    24,704
    Mark300v8
    Apr 24, 2020
  13. 70rivme

    Project Riviera TH400 Rebuild

    70rivme, May 30, 2020 ... 2 3 4
    Replies:
    78
    Views:
    1,874
    70rivme
    Oct 12, 2020
  14. Canadian GS 350

    Turbo 350 or Turbo 400 for my GS?

    Canadian GS 350, Dec 15, 2019 ... 2 3 4
    Replies:
    69
    Views:
    2,641
    Canadian GS 350
    Apr 5, 2020
  15. Yardley

    New converter, now trans is weird

    Yardley, Apr 3, 2008 ... 2 3 4
    Replies:
    69
    Views:
    10,158
    grandville455
    Nov 16, 2009
  16. speedtigger

    Overdrive on the way for my 65!

    speedtigger, Jul 7, 2010 ... 2 3 4
    Replies:
    66
    Views:
    9,290
    nekkidhillbilly
    Oct 10, 2011
  17. DauntlessSB92

    Extreme Automatics 2004-r Install

    DauntlessSB92, May 20, 2013 ... 2 3
    Replies:
    57
    Views:
    11,556
    DauntlessSB92
    Aug 14, 2016
  18. 70 gsconvt

    Installing a 200-4R in a 1970 GS, A Tutorial/Pictoral

    70 gsconvt, Mar 16, 2005 ... 2 3
    Replies:
    55
    Views:
    10,470
    70 gsconvt
    May 15, 2013
  19. 1969RIVI

    TH400 Rebuild kits

    1969RIVI, Dec 1, 2018 ... 2 3
    Replies:
    54
    Views:
    2,032
    1969RIVI
    May 13, 2019
  20. OZGS455

    GS455 Stage 1 Turbo 400 not kicking down

    OZGS455, Jul 8, 2018 ... 2 3
    Replies:
    54
    Views:
    3,359
    HeavensDevil
    Jul 21, 2018
  21. eagleguy

    Sudden tranny issues

    eagleguy, Nov 16, 2014 ... 2 3
    Replies:
    53
    Views:
    5,148
    eagleguy
    Feb 6, 2015
  22. rmstg2

    4L80E Info?

    rmstg2, Nov 29, 2008 ... 2 3
    Replies:
    51
    Views:
    10,113
    rmstg2
    Jan 3, 2009
  23. Donuts & Peelouts

    Needs some experienced eyes on this 400

    Donuts & Peelouts, Feb 11, 2018 ... 2 3
    Replies:
    50
    Views:
    2,738
    Bens99gtp
    Feb 18, 2018
  24. yachtsmanbill

    shifting issues

    yachtsmanbill, Jan 1, 2014 ... 2 3
    Replies:
    50
    Views:
    6,572
    TexasJohn55
    Jan 27, 2014
  25. 462 Chevelle

    th400 build

    462 Chevelle, Mar 28, 2012 ... 2 3
    Replies:
    50
    Views:
    6,367
    462 Chevelle
    Apr 15, 2012
  26. deluxe68

    TH350 or converter??

    deluxe68, Apr 1, 2014 ... 2 3
    Replies:
    49
    Views:
    8,035
    deluxe68
    Sep 23, 2016
  27. tinker14bs

    How to ruin a 2004r in less than 10 minutes.....

    tinker14bs, Dec 3, 2015 ... 2 3
    Replies:
    47
    Views:
    14,422
    sean Buick 76
    Mar 15, 2016
  28. David Butts

    Governor info

    David Butts, Jun 24, 2010 ... 2 3
    Replies:
    46
    Views:
    10,586
    Bigpig455
    Nov 22, 2018
  29. ronbz455

    Broke the 400!

    ronbz455, Jul 8, 2016 ... 2 3
    Replies:
    44
    Views:
    3,727
    ronbz455
    Aug 19, 2016
  30. STAGE III

    4L60E "Shouldn`t change the transmission fluid"???

    STAGE III, Jan 13, 2021 ... 2 3
    Replies:
    43
    Views:
    764
    Schurkey
    Feb 18, 2021
  31. Christopher Spouse Drew

    Average Th400 Rebuild Cost

    Christopher Spouse Drew, Sep 25, 2018 ... 2 3
    Replies:
    43
    Views:
    6,534
    hvramesq
    May 31, 2020
  32. thapachuco

    th400

    thapachuco, Jun 17, 2009 ... 2 3
    Replies:
    43
    Views:
    5,039
    mjordan13
    Aug 29, 2009
  33. simon1243

    tranny cooler

    simon1243, Apr 22, 2005 ... 2 3
    Replies:
    43
    Views:
    2,689
    GSX1
    May 17, 2005
  34. 455Nick

    Which OD tranny?

    455Nick, Jan 29, 2010 ... 2 3
    Replies:
    42
    Views:
    7,533
    Phatteddie
    Mar 1, 2010
  35. Skippy597

    2200-2400 converter for stockish 350?

    Skippy597, Jan 16, 2018 ... 2 3
    Replies:
    41
    Views:
    3,286
    Taulbee2277
    Apr 20, 2018
  36. black70buick

    Breaking the code ... 4L80 or other late model trans -DIY TCM/TCU

    black70buick, Dec 25, 2015 ... 2 3
    Replies:
    41
    Views:
    7,588
    black70buick
    Nov 23, 2016
  37. MDCH

    Drive shaft hitting body. Why?

    MDCH, Mar 21, 2013 ... 2 3
    Replies:
    41
    Views:
    5,065
    TheSilverBuick
    Mar 24, 2013
  38. nailheadpowered

    Help 400 Turbo Trans Issues In 65 Skylark!

    nailheadpowered, Jan 11, 2008 ... 2 3
    Replies:
    41
    Views:
    3,114
    Kqqlcat
    Jan 30, 2008
  39. 6D9

    S/P 400 vs Std 400 with Coan converter

    6D9, Nov 29, 2006 ... 2 3
    Replies:
    41
    Views:
    2,895
    norbs
    Jun 24, 2007
  40. whamo

    SP 400 shift troubles, desperate

    whamo, Mar 18, 2007 ... 2 3
    Replies:
    40
    Views:
    3,019
    gsgns4me
    Apr 17, 2007
  41. r0ckstarr

    Transmission problems, Part3 (this is getting rediculous)

    r0ckstarr, Mar 30, 2005 ... 2 3
    Replies:
    40
    Views:
    1,657
    r0ckstarr
    Apr 18, 2005
  42. 69cloner

    Shift kits

    69cloner, Jun 6, 2006 ... 2
    Replies:
    39
    Views:
    2,297
    racerxjj67
    Jul 18, 2006
  43. Jonah Halbert

    1966 electra trans swap

    Jonah Halbert, Apr 7, 2018 ... 2
    Replies:
    38
    Views:
    2,585
    PGSS
    Apr 17, 2018
  44. rmstg2

    Bullet Proof Set Up Shot Down

    rmstg2, May 12, 2013 ... 2
    Replies:
    38
    Views:
    3,294
    D-Con
    May 17, 2013
  45. LARRY70GS

    Gear Vendors Overdrive is In!

    LARRY70GS, Jul 22, 2006 ... 2
    Replies:
    38
    Views:
    7,045
    Rodster
    Aug 1, 2006
  46. Co2

    Switch pitch wiring

    Co2, Jul 4, 2012 ... 2
    Replies:
    37
    Views:
    6,858
    gbsean
    Jul 11, 2012
  47. Inrush2

    200 4r issues

    Inrush2, Sep 25, 2011 ... 2
    Replies:
    37
    Views:
    4,922
    Inrush2
    Oct 11, 2011
  48. carmantx

    Broke ANOTHER 200 4R

    carmantx, Sep 4, 2010 ... 2
    Replies:
    37
    Views:
    7,921
    69a-body
    Mar 20, 2011
  49. Electrajim

    "Build a TH200-4R for 1,000 HP"

    Electrajim, Jan 13, 2009 ... 2
    Replies:
    37
    Views:
    4,077
    Bad Buick
    Mar 7, 2009
  50. Jim Weise

    TH-400/Gear Vendor OD driving impressions

    Jim Weise, Jan 18, 2005 ... 2
    Replies:
    37
    Views:
    2,163
    71stagegs
    Feb 23, 2005
  51. jlasinski

    TV Cable adapter for Buick Quadrajet

    jlasinski, Jun 3, 2013 ... 2
    Replies:
    36
    Views:
    5,479
    DauntlessSB92
    Nov 11, 2014
  52. BA

    Stage 1 Switch Pitch

    BA, Jan 26, 2014 ... 2
    Replies:
    36
    Views:
    4,960
    Jim Weise
    Oct 6, 2014
  53. thapachuco

    350 trans?

    thapachuco, Jan 24, 2008 ... 2
    Replies:
    36
    Views:
    2,613
    thapachuco
    Apr 30, 2008
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