Got gears?

Too much gear? Not enough? Discuss all your rear end and driveshaft questions here.

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  1. Brett Slater

    Wheelhop Remedies - F41 Suspension

    Brett Slater, Apr 15, 2017 ... 2 3 4
    Replies:
    64
    Views:
    3,994
    LARRY70GS
    May 19, 2022
  2. 68 Skylark cust

    Diff Gear change 3.08 to ??

    68 Skylark cust, Jun 23, 2021 ... 2 3
    Replies:
    59
    Views:
    1,744
    monzaz
    May 10, 2022
  3. GS Spoken Here

    Need help IDing posi unit.

    GS Spoken Here, Apr 15, 2022
    Replies:
    18
    Views:
    353
    monzaz
    Apr 21, 2022
  4. CraigFaller

    Driveshaft length question - Chevy 12 bolt swap

    CraigFaller, Apr 11, 2022
    Replies:
    9
    Views:
    254
    BrunoD
    Apr 13, 2022
  5. Brent

    72 Chevelle 12 bolt value?

    Brent, Feb 13, 2022
    Replies:
    14
    Views:
    524
    monzaz
    Apr 11, 2022
  6. Brent

    Reasonably Priced, But Good, 12 Bolt Posi Unit

    Brent, Mar 18, 2022
    Replies:
    16
    Views:
    352
    monzaz
    Mar 22, 2022
  7. Rich Skylark

    Unusual one time issue with 8.2’ rear

    Rich Skylark, Mar 18, 2022
    Replies:
    9
    Views:
    278
    Rich Skylark
    Mar 21, 2022
  8. GSFredsbuddy

    Yoke Torque ?

    GSFredsbuddy, Mar 1, 2022
    Replies:
    11
    Views:
    301
    telriv
    Mar 7, 2022
  9. tubecatgs

    Anyone read and decipher this?

    tubecatgs, Mar 1, 2022
    Replies:
    8
    Views:
    280
    tubecatgs
    Mar 2, 2022
  10. etanner66

    Rear and trans combo

    etanner66, Feb 12, 2021
    Replies:
    19
    Views:
    630
    monzaz
    Mar 2, 2022
  11. ZachGS

    1970 GS TH350 Transmission Original Color

    ZachGS, Mar 1, 2022
    Replies:
    6
    Views:
    129
    buick64203
    Mar 2, 2022
  12. Brett Slater

    FabCraft Gearsets

    Brett Slater, Jun 18, 2021 ... 2
    Replies:
    26
    Views:
    883
    BrianTrick
    Feb 25, 2022
  13. dirk401425

    What is this. 1966 Buick Electra rear end?

    dirk401425, Feb 21, 2022
    Replies:
    2
    Views:
    137
    monzaz
    Feb 24, 2022
  14. lt1b4c

    GM 12 bolt type 2

    lt1b4c, Feb 21, 2022
    Replies:
    17
    Views:
    297
    BrianTrick
    Feb 23, 2022
  15. 72STAGE1

    What rear in 73-74?

    72STAGE1, Feb 4, 2022
    Replies:
    11
    Views:
    337
    Mark Demko
    Feb 16, 2022
  16. buick64203

    U joints- nothing is ever easy

    buick64203, Jan 9, 2022 ... 2
    Replies:
    39
    Views:
    1,190
    buick64203
    Feb 12, 2022
  17. Note 1970

    8.5 posi question

    Note 1970, Jan 15, 2022
    Replies:
    5
    Views:
    323
    BrianTrick
    Jan 19, 2022
  18. steve murray

    Axle bearings

    steve murray, Jan 12, 2022
    Replies:
    2
    Views:
    183
    steve murray
    Jan 13, 2022
  19. gstewart

    700-4R Shifting

    gstewart, Jan 1, 2022
    Replies:
    9
    Views:
    290
    monzaz
    Jan 9, 2022
  20. Chatarina

    Strange Transmission?

    Chatarina, Dec 31, 2021 ... 2 3
    Replies:
    45
    Views:
    803
    pbr400
    Jan 7, 2022
  21. Bygblok

    A decent score?

    Bygblok, Nov 22, 2021
    Replies:
    15
    Views:
    603
    monzaz
    Dec 15, 2021
  22. sean Buick 76

    12 bolt vs 8.5

    sean Buick 76, Nov 9, 2021
    Replies:
    10
    Views:
    475
    monzaz
    Dec 3, 2021
  23. breakinbuick11

    BOP or Chevy 10 bolt?

    breakinbuick11, Oct 18, 2021
    Replies:
    18
    Views:
    611
    BrianTrick
    Nov 30, 2021
  24. Steve Yager

    Rear end humming in deceleration

    Steve Yager, Nov 21, 2021
    Replies:
    4
    Views:
    269
    monzaz
    Nov 23, 2021
  25. BillA

    Will this seal fit a 12-bolt c-clip rear?

    BillA, Oct 22, 2021
    Replies:
    17
    Views:
    317
    1973gs
    Nov 22, 2021
  26. 455 Powered

    Ring gear and pinion material

    455 Powered, Nov 14, 2021
    Replies:
    9
    Views:
    237
    monzaz
    Nov 17, 2021
  27. job

    Viberations through different drive shaft yoke angle

    job, Oct 31, 2021
    Replies:
    10
    Views:
    213
    TrunkMonkey
    Nov 2, 2021
  28. JN_Skylark

    Strange noises from rear?

    JN_Skylark, Oct 3, 2021
    Replies:
    13
    Views:
    500
    Mark Demko
    Oct 12, 2021
  29. BillA

    Changing wheel studs on Moser axles

    BillA, Oct 6, 2021
    Replies:
    2
    Views:
    162
    john.schaefer77
    Oct 6, 2021
  30. txstratdad

    Lost carrier bearing caps

    txstratdad, Sep 28, 2021
    Replies:
    4
    Views:
    212
    BrianTrick
    Oct 3, 2021
  31. Gary Bohannon

    TrueTrac part numbers?

    Gary Bohannon, Sep 28, 2021
    Replies:
    3
    Views:
    191
    BrianTrick
    Sep 29, 2021
  32. jhems17

    Posi or Not?

    jhems17, Sep 11, 2021
    Replies:
    18
    Views:
    587
    69GS430/TKX
    Sep 28, 2021
  33. V6sleeper

    Rear id 70 Sportwagon

    V6sleeper, Sep 17, 2021 ... 2
    Replies:
    25
    Views:
    451
    BrianTrick
    Sep 21, 2021
  34. jeffrro1

    Posi Differential fluid 65 Rivera

    jeffrro1, Sep 14, 2021
    Replies:
    2
    Views:
    150
    LARRY70GS
    Sep 15, 2021
  35. koserv

    67 GS gear

    koserv, Sep 8, 2021 ... 2
    Replies:
    24
    Views:
    568
    koserv
    Sep 13, 2021
  36. Roffy

    1968 Wildcat rear axle blew up, what will fit ?

    Roffy, Aug 25, 2021
    Replies:
    4
    Views:
    212
    436'd Skylark
    Aug 25, 2021
  37. Steve Yager

    Kick down switch th400

    Steve Yager, Aug 16, 2021
    Replies:
    13
    Views:
    313
    Steve Yager
    Aug 18, 2021
  38. MarcoD

    66 Wildcat - 9-3/8" rear end

    MarcoD, Jan 1, 2018 ... 2 3
    Replies:
    41
    Views:
    4,930
    Wild_Cat
    Aug 17, 2021
  39. FLGS400

    1969 GS400 Drive Shaft Question

    FLGS400, Aug 12, 2021
    Replies:
    13
    Views:
    260
    taf44667
    Aug 13, 2021
  40. BrianTrick

    Here you go Andrew

    BrianTrick, Aug 1, 2021
    Replies:
    8
    Views:
    386
    TheEternalDance
    Aug 13, 2021
  41. Ken Mild

    69 GS 12 bolt - Finally getting posi installed

    Ken Mild, Aug 10, 2021
    Replies:
    15
    Views:
    356
    monzaz
    Aug 13, 2021
  42. NoVA_69_GS350

    Any idea?

    NoVA_69_GS350, Aug 8, 2021
    Replies:
    8
    Views:
    273
    monzaz
    Aug 12, 2021
  43. 68ElectraCustom

    Plz help decode my 9 3/8 axle

    68ElectraCustom, Apr 22, 2021
    Replies:
    14
    Views:
    596
    monzaz
    Aug 10, 2021
  44. idahoskylark

    3.90 finally

    idahoskylark, Aug 3, 2021
    Replies:
    9
    Views:
    423
    idahoskylark
    Aug 8, 2021
  45. gsgns4me

    Looking For A Good, Hard Stud!

    gsgns4me, Jul 19, 2021
    Replies:
    16
    Views:
    447
    monzaz
    Aug 1, 2021
  46. kack

    Jaguar rear Axle

    kack, Jul 30, 2021
    Replies:
    3
    Views:
    198
    12lives
    Jul 31, 2021
  47. LouV

    Pinion Yoke Question

    LouV, May 7, 2021 ... 2
    Replies:
    26
    Views:
    736
    BrianTrick
    Jul 29, 2021
  48. 70/71GS

    1968 8.2 Axle Bearing Replacement

    70/71GS, Jul 12, 2021
    Replies:
    6
    Views:
    342
    monzaz
    Jul 16, 2021
  49. Towley

    1970

    Towley, Mar 11, 2021
    Replies:
    10
    Views:
    519
    monzaz
    Jul 12, 2021
  50. jmccart

    8.5 10 bolts, 71 & later Buick & Olds, Pontiac too?

    jmccart, Aug 19, 2009 ... 2
    Replies:
    33
    Views:
    15,449
    Bens99gtp
    Jul 7, 2021
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