The "Juice Box"

Ask all your auto trans and torque converter questions here.

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  1. techg8
    Sticky

    TH350 / 200R4 swap summary

    techg8, Apr 11, 2009 ... 3 4 5
    Replies:
    87
    Views:
    37,867
    Slow200
    Apr 3, 2024
  2. Jim Weise
    Sticky

    VP converter- Trans visual ID guide

    Jim Weise, Dec 19, 2007 ... 2 3
    Replies:
    41
    Views:
    53,200
    TrunkMonkey
    May 12, 2023
  3. Mr. Sunset
    Sticky

    Got jiggy with it. 4L80E behind 455 BBB

    Mr. Sunset, Oct 18, 2015 ... 5 6 7
    Replies:
    132
    Views:
    35,613
    Mr. Sunset
    Nov 8, 2022
  4. 12lives

    Flexplate Runout

    12lives, May 20, 2024 at 1:21 PM
    Replies:
    0
    Views:
    4
    12lives
    May 20, 2024 at 1:21 PM
  5. online170

    ST300 Inspection Cover Full of ATF...HOW??

    online170, May 9, 2024
    Replies:
    3
    Views:
    182
    online170
    May 13, 2024
  6. lostGS

    putting a 4l80 in my 71 Wagon.

    lostGS, May 12, 2024
    Replies:
    1
    Views:
    87
    black70buick
    May 12, 2024
  7. Jamie Carnes

    New U-Joints for a 1970 GS455

    Jamie Carnes, May 5, 2024
    Replies:
    3
    Views:
    155
    telriv
    May 7, 2024
  8. accelr8

    Looking for Recommendations for Quality TH350 External Seals

    accelr8, Apr 20, 2024
    Replies:
    3
    Views:
    269
    accelr8
    May 6, 2024
  9. online170

    1965 skylark ST300 Cooler Line Fittings

    online170, May 3, 2024
    Replies:
    5
    Views:
    146
    12lives
    May 6, 2024
  10. 69WILD

    69 stock TH400 still shifts pretty soft

    69WILD, Feb 1, 2024 ... 2
    Replies:
    30
    Views:
    907
    BQUICK
    Apr 29, 2024
  11. JCP

    Unable to stop my Turbo 400 from shifting

    JCP, Apr 17, 2024
    Replies:
    5
    Views:
    347
    JCP
    Apr 17, 2024
  12. Sebas

    Help for kickdown cable in th350 switch

    Sebas, Apr 15, 2024
    Replies:
    17
    Views:
    461
    Dr. Roger
    Apr 16, 2024
  13. Clydeo

    78 bb 400

    Clydeo, Apr 14, 2024
    Replies:
    0
    Views:
    251
    Clydeo
    Apr 14, 2024
  14. Dr. Roger

    Transmission stop leak

    Dr. Roger, Apr 5, 2024
    Replies:
    8
    Views:
    442
    Dr. Roger
    Apr 13, 2024
  15. rkammer

    Transmission issues after shop visit?

    rkammer, Apr 7, 2024
    Replies:
    17
    Views:
    846
    rkammer
    Apr 11, 2024
  16. accelr8

    TH350 - Front Pump Removal and Install Question

    accelr8, Apr 8, 2024
    Replies:
    4
    Views:
    342
    accelr8
    Apr 9, 2024
  17. 12lives

    Torque converter Install

    12lives, Mar 28, 2024
    Replies:
    7
    Views:
    544
    patwhac
    Apr 4, 2024
  18. StfSocal

    TH350 rebuild costs?!?!

    StfSocal, Mar 6, 2024 ... 2
    Replies:
    20
    Views:
    1,195
    newmexguy
    Apr 4, 2024
  19. rkammer

    Turbo 400 external gasket set

    rkammer, Mar 6, 2024
    Replies:
    3
    Views:
    368
    nekkidhillbilly
    Apr 4, 2024
  20. 67NorCalGS

    61 won't go into high stall mode after rebuild.

    67NorCalGS, Mar 12, 2024
    Replies:
    1
    Views:
    328
    Ray Morrison
    Apr 2, 2024
  21. 12lives

    Converter Snout

    12lives, Mar 25, 2024
    Replies:
    4
    Views:
    226
    12lives
    Mar 30, 2024
  22. BQUICK

    Racing trans builder

    BQUICK, Jan 4, 2023
    Replies:
    3
    Views:
    427
    Gary Bohannon
    Mar 26, 2024
  23. dhenderz

    Floor Shift Cable Differences

    dhenderz, Mar 25, 2024
    Replies:
    3
    Views:
    107
    pbr400
    Mar 25, 2024
  24. 12lives

    Transmission Line Routing

    12lives, Mar 19, 2024
    Replies:
    15
    Views:
    517
    12lives
    Mar 23, 2024
  25. jaystoy

    2004r shift point question

    jaystoy, Jun 20, 2023
    Replies:
    8
    Views:
    576
    Atbb
    Mar 21, 2024
  26. kack

    Tahoe 1999

    kack, May 13, 2023 ... 2
    Replies:
    36
    Views:
    1,282
    kack
    Mar 14, 2024
  27. Kendrick Singleton

    Suspension hack

    Kendrick Singleton, Mar 11, 2024
    Replies:
    0
    Views:
    93
    Kendrick Singleton
    Mar 11, 2024
  28. Eric

    70 GS BB Stage1T-400 Question?

    Eric, Mar 7, 2024
    Replies:
    7
    Views:
    324
    Eric
    Mar 9, 2024
  29. Luxus

    Speedometer cable

    Luxus, Feb 21, 2024
    Replies:
    2
    Views:
    308
    BRUCE ROE
    Feb 28, 2024
  30. davidwroth

    TH400 Torque Converter Recommendation

    davidwroth, Feb 21, 2024
    Replies:
    3
    Views:
    173
    TommyV
    Feb 21, 2024
  31. rkammer

    External Turbo 400 gasket kits

    rkammer, Feb 18, 2024
    Replies:
    6
    Views:
    208
    BRUCE ROE
    Feb 19, 2024
  32. Oldskewl59

    4l80e Swap

    Oldskewl59, Oct 31, 2023 ... 2
    Replies:
    25
    Views:
    1,094
    Oldskewl59
    Feb 14, 2024
  33. Ken 68 Riv GS

    TH 400 short tail swap to 4L60 or 700R4

    Ken 68 Riv GS, Oct 23, 2023
    Replies:
    14
    Views:
    644
    nekkidhillbilly
    Feb 12, 2024
  34. 69WILD

    Adjusting oem vacuum modulator

    69WILD, Feb 7, 2024
    Replies:
    2
    Views:
    167
    3shields
    Feb 7, 2024
  35. ArcticRyan

    TH400 question

    ArcticRyan, Jan 28, 2024
    Replies:
    8
    Views:
    334
    LARRY70GS
    Feb 1, 2024
  36. Superstingray77

    1964 -ST400 -One year only, mods and build and issues- Help :-)

    Superstingray77, Jan 11, 2024
    Replies:
    6
    Views:
    378
    Superstingray77
    Jan 12, 2024
  37. Lars GS

    Kent Moore tool wanting to buy.

    Lars GS, Dec 20, 2023
    Replies:
    7
    Views:
    571
    Superstingray77
    Jan 11, 2024
  38. gsgns4me

    TH400 slip yoke on 1970 GS455 question(s)

    gsgns4me, Jan 10, 2020
    Replies:
    11
    Views:
    920
    Mccurdywi
    Jan 3, 2024
  39. black70buick

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

    black70buick, Dec 25, 2015 ... 2 3
    Replies:
    42
    Views:
    9,004
    black70buick
    Dec 31, 2023
  40. Houndogforever

    Rebuilding a ST300 switch pitch converter?

    Houndogforever, Dec 13, 2023
    Replies:
    1
    Views:
    200
    LARRY70GS
    Dec 15, 2023
  41. Dan E

    Shifter Conversion

    Dan E, Dec 13, 2023
    Replies:
    8
    Views:
    385
    knucklebusted
    Dec 14, 2023
  42. 12lives

    Question: When Installing Engine w/Trans

    12lives, Dec 11, 2023
    Replies:
    4
    Views:
    231
    12lives
    Dec 13, 2023
  43. WayneNJ

    Kickdown Grommet

    WayneNJ, Dec 11, 2023
    Replies:
    5
    Views:
    169
    WayneNJ
    Dec 13, 2023
  44. 12lives

    Poly Trans Mount

    12lives, Nov 21, 2023
    Replies:
    8
    Views:
    334
    Ken Mild
    Dec 6, 2023
  45. ancientx

    Rather than go through almost 4000 threads...

    ancientx, Nov 26, 2023
    Replies:
    1
    Views:
    297
    Bigpig455
    Nov 27, 2023
  46. online170

    Need a crash course on '65 ST300 Torque Converter Operation

    online170, Nov 24, 2023
    Replies:
    7
    Views:
    367
    philbquick
    Nov 25, 2023
  47. 12lives

    Who has a 2004R in a 65-67?

    12lives, Nov 16, 2023
    Replies:
    1
    Views:
    196
    patwhac
    Nov 16, 2023
  48. suntreemcanic

    Vibration

    suntreemcanic, Nov 4, 2023
    Replies:
    7
    Views:
    258
    suntreemcanic
    Nov 5, 2023
  49. skylark7deuce

    Help needed with a leak

    skylark7deuce, Oct 13, 2023
    Replies:
    3
    Views:
    269
    Max Damage
    Oct 24, 2023
  50. Briz

    Just a quick Power Glide question:

    Briz, Oct 22, 2023
    Replies:
    2
    Views:
    150
    Briz
    Oct 22, 2023
  51. Brent

    Kenne Bell VP Converter Question

    Brent, Oct 7, 2023
    Replies:
    4
    Views:
    400
    Brent
    Oct 8, 2023
  52. jcamp116

    1967 GS400 Automatic Shifter rod reproduction

    jcamp116, Oct 2, 2023
    Replies:
    2
    Views:
    251
    gsman66
    Oct 6, 2023
  53. Tall Deck

    Any tips for TH400 rear servo pin length & rear band adjustment?

    Tall Deck, Oct 6, 2023
    Replies:
    2
    Views:
    403
    Tall Deck
    Oct 6, 2023
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