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:
    30,087
    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:
    50,633
    DavidC77
    Jul 29, 2011
  4. rkammer

    Turbo 400 vacuum modulator adjustment

    rkammer, Feb 26, 2021 at 11:34 PM
    Replies:
    3
    Views:
    51
    LARRY70GS
    Feb 27, 2021 at 8:22 AM
  5. 67NorCalGS

    61 Dynaflow switch pitch stopped working after rebuild. No longer goes into high stall mode.

    67NorCalGS, Feb 5, 2021
    Replies:
    10
    Views:
    130
    67NorCalGS
    Feb 6, 2021
  6. Gregory Dean

    1959 Buick LaSabre - Transmissions rebuilder

    Gregory Dean, Jan 31, 2021
    Replies:
    11
    Views:
    233
    Gregory Dean
    Feb 20, 2021
  7. knucklebusted

    10 Years with a Turbo 200-4R

    knucklebusted, Jan 24, 2021
    Replies:
    11
    Views:
    408
    Matt69olds
    Feb 2, 2021
  8. Dan Janes

    Question about location of neutral/back up lights switch.

    Dan Janes, Jan 22, 2021
    Replies:
    7
    Views:
    164
    Dan Janes
    Jan 27, 2021
  9. 455Riviera

    TH-400 1st gear dragging

    455Riviera, Jan 21, 2021
    Replies:
    13
    Views:
    203
    LARRY70GS
    Feb 27, 2021 at 7:52 AM
  10. Waterboy

    As Schultz said, I know nothing!

    Waterboy, Jan 18, 2021
    Replies:
    15
    Views:
    308
    LARRY70GS
    Jan 19, 2021
  11. joko

    Convert regular TH400 to Switch-Pitch 400

    joko, Jan 13, 2021
    Replies:
    6
    Views:
    225
    joko
    Jan 17, 2021
  12. STAGE III

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

    STAGE III, Jan 13, 2021 ... 2 3
    Replies:
    43
    Views:
    767
    Schurkey
    Feb 18, 2021
  13. Patsusedparts

    Restoration Question

    Patsusedparts, Jan 10, 2021
    Replies:
    4
    Views:
    176
    Patsusedparts
    Jan 11, 2021
  14. Houndogforever

    Street TH400, 430hp, 520 lbft. What ATF to use?

    Houndogforever, Jan 8, 2021
    Replies:
    7
    Views:
    239
    Guy Parquette
    Jan 11, 2021
  15. Sebambam

    TransGo Kit in a th400. Which options to choose

    Sebambam, Jan 8, 2021
    Replies:
    10
    Views:
    267
    Sebambam
    Jan 11, 2021
  16. rkammer

    A weird one for all you Turbo 400 pros.

    rkammer, Jan 6, 2021 ... 2
    Replies:
    20
    Views:
    605
    rkammer
    Feb 23, 2021 at 8:17 PM
  17. Rando67buickgs

    Question overdrive transmission

    Rando67buickgs, Dec 20, 2020
    Replies:
    18
    Views:
    456
    sailbrd
    Jan 6, 2021
  18. carmak

    1960 Dylaflow filling torque tube - Has newer torqe ball seal.

    carmak, Dec 17, 2020
    Replies:
    1
    Views:
    59
    Dragdoc
    Dec 21, 2020
  19. Dan Janes

    Slap shift conversion for stock '70-'72 automatic

    Dan Janes, Dec 11, 2020
    Replies:
    16
    Views:
    509
    Dan Janes
    Feb 27, 2021 at 8:36 AM
  20. xtreme6mwm

    Cracked Housing

    xtreme6mwm, Dec 4, 2020
    Replies:
    13
    Views:
    243
    Doug's Stage X
    Dec 8, 2020
  21. mineseats9

    I have plenty of reverse, no forward gears

    mineseats9, Dec 3, 2020
    Replies:
    5
    Views:
    179
    mineseats9
    Dec 3, 2020
  22. rkammer

    Turbo 400 Very harsh shifts from neutral to drive or reverse.

    rkammer, Dec 3, 2020
    Replies:
    16
    Views:
    211
    TrunkMonkey
    Dec 3, 2020
  23. duke350

    2004r broke

    duke350, Dec 2, 2020 ... 2
    Replies:
    27
    Views:
    789
    Mark Demko
    Dec 19, 2020
  24. MD_76_LIMITED

    Transmission Pan Replacement

    MD_76_LIMITED, Dec 2, 2020
    Replies:
    11
    Views:
    325
    DasRottweiler
    Dec 22, 2020
  25. BRUCE ROE

    12 vs 13 Torque Converter

    BRUCE ROE, Nov 25, 2020
    Replies:
    5
    Views:
    253
    BRUCE ROE
    Nov 29, 2020
  26. jaystoy

    Need for an external cooler?

    jaystoy, Nov 15, 2020
    Replies:
    6
    Views:
    253
    Bens99gtp
    Nov 21, 2020
  27. Canadian GS 350

    1st to second shift too firm

    Canadian GS 350, Nov 6, 2020 ... 2
    Replies:
    24
    Views:
    689
    Canadian GS 350
    Jan 16, 2021
  28. Max Damage

    Powerglide is all power and no glide.

    Max Damage, Oct 25, 2020
    Replies:
    16
    Views:
    300
    Max Damage
    Oct 27, 2020
  29. blyons79

    Stock 27 Spline Slip Yoke Length

    blyons79, Oct 23, 2020
    Replies:
    9
    Views:
    111
    LARRY70GS
    Oct 23, 2020
  30. Gulfgears

    BOP 350 questions

    Gulfgears, Oct 19, 2020
    Replies:
    6
    Views:
    247
    LARRY70GS
    Oct 21, 2020
  31. Atbb

    Shifter shaft seal on TH2004R

    Atbb, Oct 13, 2020
    Replies:
    8
    Views:
    176
    Atbb
    Oct 22, 2020
  32. Dan Hach

    The ST400 / TH400 variable Pitch Stupid Question Thread

    Dan Hach, Oct 12, 2020 ... 2
    Replies:
    26
    Views:
    817
    Dan Hach
    Oct 29, 2020
  33. bostoncat68

    Trans Shop North of Boston/ Southern NH??

    bostoncat68, Oct 4, 2020
    Replies:
    7
    Views:
    249
    bostoncat68
    Oct 25, 2020
  34. Dan Gerber

    TH200-4R Trans Gear Indicator for '72 Skylark Steering Column Shifter

    Dan Gerber, Oct 1, 2020
    Replies:
    19
    Views:
    495
    12lives
    Oct 25, 2020
  35. Dragdoc

    Weird, sudden leak

    Dragdoc, Sep 30, 2020
    Replies:
    3
    Views:
    230
    Dragdoc
    Sep 30, 2020
  36. Dan Hach

    ST/TH400 early style low roller clutch orientation

    Dan Hach, Sep 24, 2020
    Replies:
    7
    Views:
    256
    Dan Hach
    Sep 25, 2020
  37. rkammer

    Higher stall converter in a stocker?

    rkammer, Sep 22, 2020
    Replies:
    14
    Views:
    506
    LARRY70GS
    Sep 23, 2020
  38. CenturyWagon

    Holding Gear on a Dyno

    CenturyWagon, Sep 21, 2020
    Replies:
    1
    Views:
    121
    telriv
    Sep 21, 2020
  39. Bogus919

    Aftermarket Th350 pan recommendations?

    Bogus919, Sep 12, 2020
    Replies:
    3
    Views:
    145
    1973gs
    Sep 14, 2020
  40. Canadian GS 350

    1-2nd shift way too soon at part throttle- turbo 400

    Canadian GS 350, Sep 9, 2020
    Replies:
    6
    Views:
    177
    Canadian GS 350
    Sep 10, 2020
  41. Smartin

    What is wrong with these TH400 mounts?

    Smartin, Sep 7, 2020
    Replies:
    16
    Views:
    299
    ToddsGS
    Sep 10, 2020
  42. 75Riv

    Added 1 qrt. 15W40 in TH400.....

    75Riv, Sep 3, 2020
    Replies:
    13
    Views:
    684
    Mart
    Dec 30, 2020
  43. Houndogforever

    Tin transmission torque converter shield.

    Houndogforever, Sep 2, 2020
    Replies:
    0
    Views:
    93
    Houndogforever
    Sep 2, 2020
  44. Blue Wagon

    powerglide won't shift out of 1st gear

    Blue Wagon, Sep 2, 2020
    Replies:
    6
    Views:
    151
    Blue Wagon
    Sep 2, 2020
  45. A.Forman

    Need a new TH400.. can't find one anywhere!!

    A.Forman, Aug 26, 2020
    Replies:
    7
    Views:
    332
    BrunoD
    Aug 26, 2020
  46. Craig Holmes

    Dynaflow high accumulator actuator?

    Craig Holmes, Aug 18, 2020
    Replies:
    16
    Views:
    262
    69hellcat
    Sep 16, 2020
  47. hjsonnie

    Starting 200 4r install, questions?

    hjsonnie, Aug 2, 2020
    Replies:
    4
    Views:
    394
    hjsonnie
    Oct 13, 2020
  48. Roycroft

    You're the Dynaflow Doctor Manual - Free PDF - Public Domain

    Roycroft, Jul 28, 2020
    Replies:
    4
    Views:
    380
    RJBT
    Sep 4, 2020
  49. suntreemcanic

    Flywheel cover

    suntreemcanic, Jul 25, 2020
    Replies:
    0
    Views:
    148
    suntreemcanic
    Jul 25, 2020
  50. kack

    Tahoe 1998

    kack, Jul 18, 2020
    Replies:
    9
    Views:
    269
    kack
    Jul 19, 2020
  51. suntreemcanic

    Vacuum source turbo 400

    suntreemcanic, Jul 13, 2020
    Replies:
    7
    Views:
    236
    suntreemcanic
    Jul 14, 2020
  52. Lucy Fair

    I thought that they already called it a Switch Pitch

    Lucy Fair, Jul 12, 2020
    Replies:
    3
    Views:
    225
    d2_willys
    Jul 13, 2020
  53. Houndogforever

    67 Skylark, Auto trans cross member install

    Houndogforever, Jul 6, 2020
    Replies:
    6
    Views:
    202
    Houndogforever
    Jul 10, 2020
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