Got gears?

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

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  1. Chuck George

    Will it fit?

    Chuck George, Jan 16, 2021 at 2:48 PM
    Replies:
    2
    Views:
    51
    Chuck George
    Jan 16, 2021 at 4:47 PM
  2. bignastyGS

    Big tire guys what gear ratio are you running?

    bignastyGS, Jan 14, 2021 at 2:52 PM
    Replies:
    5
    Views:
    123
    Bens99gtp
    Jan 15, 2021 at 8:25 PM
  3. Buickcub

    8.5 10 bolt suggestions

    Buickcub, Jan 12, 2021 at 5:52 PM
    Replies:
    8
    Views:
    134
    Buickcub
    Jan 14, 2021 at 5:12 PM
  4. 70Sabre

    Buick Rear End Info

    70Sabre, Feb 9, 2008 ... 2
    Replies:
    26
    Views:
    37,981
    PatrickSkylark
    Jan 14, 2021 at 1:43 PM
  5. 1969buickgs455

    Need Help!! 8.2 10 bolts in reverse pulls rear wheels in bind and pop

    1969buickgs455, Jan 4, 2021 ... 2 3 4
    Replies:
    78
    Views:
    1,111
    69GS&M21
    Jan 12, 2021 at 8:14 PM
  6. 71gs3504sp

    Stock Posi ID

    71gs3504sp, Jan 11, 2021 at 7:05 AM
    Replies:
    3
    Views:
    73
    BrianTrick
    Jan 11, 2021 at 12:51 PM
  7. Larryb

    can anyone ID this axle

    Larryb, Jan 9, 2021
    Replies:
    9
    Views:
    88
    436'd Skylark
    Jan 9, 2021
  8. Papi

    Visual ID

    Papi, Dec 30, 2020
    Replies:
    5
    Views:
    138
    monzaz
    Jan 3, 2021
  9. Papi

    Gear Vendors

    Papi, Dec 31, 2020
    Replies:
    1
    Views:
    112
    LARRY70GS
    Jan 1, 2021
  10. FLGS400

    Help ID this Rear

    FLGS400, Dec 14, 2020
    Replies:
    12
    Views:
    257
    FLGS400
    Dec 18, 2020
  11. OldDrummer55

    1972 Riviera Rear End

    OldDrummer55, Dec 16, 2020
    Replies:
    11
    Views:
    157
    monzaz
    Dec 18, 2020
  12. 1967 Big Buick

    Turbo 400 yoke troubles

    1967 Big Buick, Dec 16, 2020
    Replies:
    5
    Views:
    139
    1967 Big Buick
    Dec 16, 2020
  13. Stage1 Electra

    1970 Buick GS ring&pinion ?

    Stage1 Electra, Dec 8, 2020
    Replies:
    12
    Views:
    239
    Stage1 Electra
    Dec 12, 2020
  14. agetnt9

    bearings

    agetnt9, Dec 11, 2020
    Replies:
    3
    Views:
    77
    agetnt9
    Dec 12, 2020
  15. monzaz

    Rear end GUY has a AXLE BEARING AND SEAL question!!!! HELP!

    monzaz, Apr 30, 2020 ... 2
    Replies:
    32
    Views:
    1,341
    monzaz
    Dec 12, 2020
  16. Dr. Evil

    Early Christmas for me

    Dr. Evil, Dec 4, 2020
    Replies:
    3
    Views:
    202
    DasRottweiler
    Dec 8, 2020
  17. fatboybuick

    1972 buick limited rearend

    fatboybuick, Nov 7, 2020
    Replies:
    4
    Views:
    204
    monzaz
    Nov 20, 2020
  18. gsfred

    Looking to find out what an OR code 10 bolt is

    gsfred, Nov 8, 2020
    Replies:
    4
    Views:
    228
    monzaz
    Nov 20, 2020
  19. Brett Slater

    Wheelhop Remedies - F41 Suspension

    Brett Slater, Apr 15, 2017 ... 2 3
    Replies:
    51
    Views:
    3,211
    monzaz
    Nov 15, 2020
  20. 1969briviera

    Rear axle vent tube

    1969briviera, Nov 14, 2020
    Replies:
    4
    Views:
    124
    1969briviera
    Nov 15, 2020
  21. gearhead-42

    64 wildcat rear end help

    gearhead-42, Aug 10, 2015
    Replies:
    9
    Views:
    1,527
    Richard Satterlee
    Nov 7, 2020
  22. gscalifornia

    8.5 questions on rebuild

    gscalifornia, Aug 13, 2020
    Replies:
    19
    Views:
    729
    sean Buick 76
    Nov 6, 2020
  23. Cutlass

    Tricks to install pinion seal 2043 without J-xxxxx installer tool @ '71 8.5

    Cutlass, Jul 7, 2019
    Replies:
    16
    Views:
    996
    FLGS400
    Oct 30, 2020
  24. Bryon

    1962 Buick 9 3/8 rear ends

    Bryon, Mar 17, 2018 ... 2
    Replies:
    34
    Views:
    2,814
    monzaz
    Oct 29, 2020
  25. Donnie

    8.2 gs rear

    Donnie, May 27, 2020
    Replies:
    11
    Views:
    536
    TXGS
    Oct 29, 2020
  26. JoRion

    3.08 vs 3.23 with Muncie m20

    JoRion, Oct 26, 2020 ... 2
    Replies:
    28
    Views:
    689
    JoRion
    Oct 29, 2020
  27. MEXICOYA

    3:42 gears with a ST 300 2 spd on a 68 Skylark

    MEXICOYA, Oct 15, 2020
    Replies:
    13
    Views:
    443
    TrunkMonkey
    Oct 26, 2020
  28. 73Rivi

    1973 Riviera 9 3/8 Posi

    73Rivi, Oct 3, 2020
    Replies:
    9
    Views:
    212
    gsx455-4ever
    Oct 19, 2020
  29. Stage2

    Estate Wagon vs Wildcat

    Stage2, Apr 26, 2020
    Replies:
    14
    Views:
    784
    mich6212
    Oct 16, 2020
  30. txstratdad

    8.2 posi

    txstratdad, Oct 14, 2020
    Replies:
    2
    Views:
    161
    BrianTrick
    Oct 14, 2020
  31. TTNC

    Upgrading Chevy 12 bolt to 9 inch

    TTNC, Oct 12, 2020 ... 2
    Replies:
    23
    Views:
    495
    TTNC
    Oct 14, 2020
  32. TheEternalDance

    Stock Axle/Rear End Good to ??? HP/TQ

    TheEternalDance, Oct 7, 2020
    Replies:
    9
    Views:
    335
    Gary Bohannon
    Oct 14, 2020
  33. TTNC

    Chevy 12 bolt A body mounting differences

    TTNC, Oct 13, 2020
    Replies:
    2
    Views:
    204
    BrianTrick
    Oct 14, 2020
  34. 68 Skylark cust

    1968 350-2 : Gear suggestion

    68 Skylark cust, Sep 15, 2020
    Replies:
    13
    Views:
    405
    philbquick
    Oct 13, 2020
  35. STREETFIGHTER50

    Did axle widths change between 1968-1972 Skylarks?

    STREETFIGHTER50, Oct 7, 2020
    Replies:
    4
    Views:
    236
    STREETFIGHTER50
    Oct 9, 2020
  36. lsSkylark

    8.5 rear end build for 550 hp

    lsSkylark, Sep 20, 2020 ... 2
    Replies:
    20
    Views:
    669
    DasRottweiler
    Oct 8, 2020
  37. Mart

    8.5 posi with 308 GM gears

    Mart, Oct 5, 2020
    Replies:
    5
    Views:
    181
    Mark Demko
    Oct 6, 2020
  38. Rob72GS

    8.5 Limited Slip

    Rob72GS, Sep 28, 2020
    Replies:
    4
    Views:
    213
    TexasT
    Sep 29, 2020
  39. gs430

    Ring and pinion setup advice

    gs430, Oct 5, 2019 ... 2
    Replies:
    37
    Views:
    1,637
    BrianTrick
    Sep 18, 2020
  40. stall1970

    Lube

    stall1970, Sep 3, 2020
    Replies:
    2
    Views:
    143
    monzaz
    Sep 4, 2020
  41. Brandon Cocola

    GS rear end I.D.

    Brandon Cocola, Aug 30, 2020
    Replies:
    9
    Views:
    267
    BrianTrick
    Sep 4, 2020
  42. wildcat1562

    a bit of help please with my rear end

    wildcat1562, Jul 1, 2020
    Replies:
    10
    Views:
    463
    SpecialWagon65
    Sep 3, 2020
  43. gnx423

    Ring gear pattern advice

    gnx423, Aug 28, 2020 ... 2
    Replies:
    21
    Views:
    460
    monzaz
    Sep 2, 2020
  44. Rad005

    63 Riviera Differential Fluid Specs

    Rad005, Aug 24, 2020
    Replies:
    2
    Views:
    103
    Rad005
    Aug 24, 2020
  45. ghrp

    Electra 75 rear end ?

    ghrp, Aug 18, 2020
    Replies:
    12
    Views:
    195
    ghrp
    Aug 24, 2020
  46. robert v

    Please help ID my rear ratio

    robert v, Aug 19, 2020
    Replies:
    6
    Views:
    190
    robert v
    Aug 20, 2020
  47. gnx423

    Rear gear options

    gnx423, Aug 19, 2020
    Replies:
    3
    Views:
    246
    gnx423
    Aug 19, 2020
  48. Nickcee61

    **1961 Buick vs 1963 Riviera 9 3/8 swap**

    Nickcee61, Aug 17, 2020
    Replies:
    2
    Views:
    213
    Nickcee61
    Aug 17, 2020
  49. jmbarber

    What is this rear end

    jmbarber, Jun 7, 2020 ... 2
    Replies:
    38
    Views:
    858
    jmbarber
    Aug 17, 2020
  50. rkammer

    Changing Ratios in the GM 8.5

    rkammer, Aug 5, 2020
    Replies:
    17
    Views:
    385
    BrianTrick
    Aug 6, 2020
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