Got gears?

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

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  1. Brett Slater
    Sticky

    Wheelhop Remedies - F41 Suspension

    Brett Slater, Apr 15, 2017 ... 4 5 6
    Replies:
    110
    Views:
    5,193
    Brett Slater
    Aug 30, 2022
  2. buickmanmarty

    3.91 vs 2.93

    buickmanmarty, Feb 3, 2023 at 7:35 PM ... 2
    Replies:
    29
    Views:
    473
    BrianTrick
    Feb 8, 2023 at 6:59 PM
  3. 73 Stage-1

    Challenging Driveshaft Removal

    73 Stage-1, Dec 5, 2022 ... 2 3
    Replies:
    44
    Views:
    1,082
    73 Stage-1
    Feb 1, 2023
  4. BQUICK

    Gov-lock

    BQUICK, Aug 30, 2022 ... 2
    Replies:
    23
    Views:
    700
    Bens99gtp
    Jan 31, 2023
  5. rkammer

    Change 8.5 rear end ratio from 3.42 to 3.73 or 3.91

    rkammer, Jan 26, 2023 ... 2
    Replies:
    29
    Views:
    375
    rkammer
    Jan 28, 2023
  6. Brent

    12 Bolt Pinion Seal Question

    Brent, Jan 20, 2023
    Replies:
    3
    Views:
    69
    Brent
    Jan 20, 2023
  7. Nesmith

    TH 350 problems

    Nesmith, Dec 16, 2022
    Replies:
    4
    Views:
    136
    Nesmith
    Jan 15, 2023
  8. Brent

    72 Pontiac Lemans Rear Axle?

    Brent, Jan 4, 2023
    Replies:
    12
    Views:
    330
    BrianTrick
    Jan 10, 2023
  9. V6sleeper

    Buick 8.5 rear

    V6sleeper, Jan 5, 2023
    Replies:
    13
    Views:
    307
    sean Buick 76
    Jan 7, 2023
  10. Nick 66 Skylark

    WTB posi rear end

    Nick 66 Skylark, Dec 23, 2022 ... 2
    Replies:
    30
    Views:
    518
    monzaz
    Dec 29, 2022
  11. Mach5racing

    8.2 rear gears

    Mach5racing, Sep 13, 2022
    Replies:
    16
    Views:
    523
    Nick 66 Skylark
    Dec 23, 2022
  12. CJay

    U joints- nothing is ever easy

    CJay, Jan 9, 2022 ... 2 3
    Replies:
    40
    Views:
    1,646
    Deogi2
    Dec 11, 2022
  13. 71gs3504sp

    GM 8.5 Posi question

    71gs3504sp, Dec 2, 2022
    Replies:
    5
    Views:
    201
    71gs3504sp
    Dec 3, 2022
  14. gd2227

    Column shift tilt rebuild- help….

    gd2227, Nov 25, 2022
    Replies:
    5
    Views:
    153
    CJay
    Nov 27, 2022
  15. tubecatgs

    Steering column disassembly

    tubecatgs, Nov 19, 2022
    Replies:
    12
    Views:
    218
    BrianTrick
    Nov 22, 2022
  16. berigan

    1976 Electra U-joints went out fairly quickly. Is there brands I should avoid?

    berigan, Oct 22, 2022
    Replies:
    10
    Views:
    341
    Mark Demko
    Nov 11, 2022
  17. 455 Powered

    Rear end id

    455 Powered, Oct 3, 2022
    Replies:
    4
    Views:
    188
    BrianTrick
    Oct 4, 2022
  18. César Machicao

    8.2 or 8.5 BOP? 1970 Skylark 350 from Peru

    César Machicao, Sep 18, 2022
    Replies:
    19
    Views:
    396
    César Machicao
    Sep 20, 2022
  19. dered54

    Differential Identification

    dered54, Aug 26, 2022
    Replies:
    3
    Views:
    198
    Tomahawk
    Sep 10, 2022
  20. B73NC

    torque spec questions

    B73NC, Sep 9, 2022
    Replies:
    2
    Views:
    96
    Nailhead in a 1967
    Sep 9, 2022
  21. Super Bald Menace

    Swapping carriers. 8.2 bop

    Super Bald Menace, Sep 6, 2022
    Replies:
    9
    Views:
    250
    monzaz
    Sep 7, 2022
  22. 70skylark350

    Need help with 8.2 bolt in axle reoccurring axle seal leaks.

    70skylark350, Aug 20, 2022
    Replies:
    11
    Views:
    343
    john.schaefer77
    Sep 4, 2022
  23. Tomahawk

    Removing & Replacing Carrier: Step-by-Step Video

    Tomahawk, Aug 23, 2022
    Replies:
    6
    Views:
    266
    monzaz
    Aug 28, 2022
  24. Utah455

    70 Buick GS 455 - 12 Bolt recommendation - Change from one legger to posi

    Utah455, Aug 12, 2022
    Replies:
    6
    Views:
    318
    Utah455
    Aug 24, 2022
  25. Nearing

    70 GS 3:64 posi - Differential lube recommendation

    Nearing, Jul 29, 2022
    Replies:
    19
    Views:
    470
    monzaz
    Aug 1, 2022
  26. desordi

    Rear Wheel Bearings & Seals: Part #? (1970 GS; 3.64)

    desordi, Jul 26, 2022
    Replies:
    2
    Views:
    181
    desordi
    Jul 26, 2022
  27. bignastyGS

    Big tire guys what gear ratio are you running?

    bignastyGS, Jan 14, 2021 ... 2
    Replies:
    22
    Views:
    990
    sean Buick 76
    Jul 25, 2022
  28. 70skylark350

    Question on 8.2 taper axle bearing retention.

    70skylark350, Jul 16, 2022
    Replies:
    5
    Views:
    184
    BrianTrick
    Jul 17, 2022
  29. kack

    Rear Axle Pinion.

    kack, Jul 15, 2022
    Replies:
    9
    Views:
    194
    monzaz
    Jul 16, 2022
  30. john.schaefer77

    1968 GS400

    john.schaefer77, Jun 29, 2022
    Replies:
    15
    Views:
    447
    monzaz
    Jul 5, 2022
  31. Bob Lorenz Jr.

    Rear axle ID

    Bob Lorenz Jr., Jul 1, 2022
    Replies:
    3
    Views:
    174
    BrianTrick
    Jul 2, 2022
  32. 68 Skylark cust

    Diff Gear change 3.08 to ??

    68 Skylark cust, Jun 23, 2021 ... 2 3 4
    Replies:
    62
    Views:
    2,339
    Fox's Den
    Jun 18, 2022
  33. 455 Powered

    76 Riviera rear end

    455 Powered, Jun 4, 2022
    Replies:
    15
    Views:
    315
    455 Powered
    Jun 12, 2022
  34. uwjberg

    New to Me 10 Bolt BOP 8.5" Condition and What to Look For Before Installing

    uwjberg, Jun 11, 2022
    Replies:
    6
    Views:
    260
    BrianTrick
    Jun 12, 2022
  35. uwjberg

    Help with Rear End ID

    uwjberg, Jun 10, 2022
    Replies:
    16
    Views:
    280
    FJM568
    Jun 11, 2022
  36. srobinr

    Bop 8.2 axle repair question

    srobinr, May 28, 2022 ... 2
    Replies:
    34
    Views:
    1,061
    monzaz
    Jun 11, 2022
  37. SpecialWagon65

    This is a chevy rear, right?

    SpecialWagon65, Jun 7, 2022
    Replies:
    5
    Views:
    281
    monzaz
    Jun 8, 2022
  38. 2manybuicks

    Driveshaft Restoration for 65 Riv GS?

    2manybuicks, Jun 2, 2022
    Replies:
    3
    Views:
    172
    Redmanf1
    Jun 2, 2022
  39. knucklebusted

    Left Rear Locked, Not the Brakes

    knucklebusted, May 28, 2022
    Replies:
    16
    Views:
    460
    monzaz
    Jun 1, 2022
  40. Rich Skylark

    Unusual one time issue with 8.2’ rear

    Rich Skylark, Mar 18, 2022
    Replies:
    13
    Views:
    555
    TrunkMonkey
    May 29, 2022
  41. GS Spoken Here

    Need help IDing posi unit.

    GS Spoken Here, Apr 15, 2022
    Replies:
    18
    Views:
    884
    monzaz
    Apr 21, 2022
  42. CraigFaller

    Driveshaft length question - Chevy 12 bolt swap

    CraigFaller, Apr 11, 2022
    Replies:
    9
    Views:
    757
    BrunoD
    Apr 13, 2022
  43. Brent

    72 Chevelle 12 bolt value?

    Brent, Feb 13, 2022
    Replies:
    14
    Views:
    1,111
    monzaz
    Apr 11, 2022
  44. Brent

    Reasonably Priced, But Good, 12 Bolt Posi Unit

    Brent, Mar 18, 2022
    Replies:
    16
    Views:
    486
    monzaz
    Mar 22, 2022
  45. GSFredsbuddy

    Yoke Torque ?

    GSFredsbuddy, Mar 1, 2022
    Replies:
    11
    Views:
    418
    telriv
    Mar 7, 2022
  46. tubecatgs

    Anyone read and decipher this?

    tubecatgs, Mar 1, 2022
    Replies:
    8
    Views:
    361
    tubecatgs
    Mar 2, 2022
  47. etanner66

    Rear and trans combo

    etanner66, Feb 12, 2021
    Replies:
    19
    Views:
    727
    monzaz
    Mar 2, 2022
  48. ZachGS

    1970 GS TH350 Transmission Original Color

    ZachGS, Mar 1, 2022
    Replies:
    6
    Views:
    228
    CJay
    Mar 2, 2022
  49. Brett Slater

    FabCraft Gearsets

    Brett Slater, Jun 18, 2021 ... 2
    Replies:
    26
    Views:
    1,061
    BrianTrick
    Feb 25, 2022
  50. dirk401425

    What is this. 1966 Buick Electra rear end?

    dirk401425, Feb 21, 2022
    Replies:
    2
    Views:
    209
    monzaz
    Feb 24, 2022
  51. lt1b4c

    GM 12 bolt type 2

    lt1b4c, Feb 21, 2022
    Replies:
    17
    Views:
    420
    BrianTrick
    Feb 23, 2022
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