Got gears?

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

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  1. Conner

    POSI Options for 64' Skylark???

    Conner, Sep 22, 2009 ... 2
    Replies:
    27
    Views:
    8,441
    sd-slider
    Aug 1, 2010
  2. podski

    66 Cat rear end noise question

    podski, Jul 13, 2007 ... 2
    Replies:
    27
    Views:
    2,943
    70sLark
    Apr 14, 2009
  3. Brett Slater

    FabCraft Gearsets

    Brett Slater, Jun 18, 2021 ... 2
    Replies:
    26
    Views:
    1,328
    BrianTrick
    Feb 25, 2022
  4. LouV

    Pinion Yoke Question

    LouV, May 7, 2021 ... 2
    Replies:
    26
    Views:
    1,211
    BrianTrick
    Jul 29, 2021
  5. 70Sabre

    Buick Rear End Info

    70Sabre, Feb 9, 2008 ... 2
    Replies:
    26
    Views:
    45,319
    PatrickSkylark
    Jan 14, 2021
  6. gsx678

    POLL; What gear are you running

    gsx678, Apr 29, 2015 ... 2
    Replies:
    26
    Views:
    6,219
    j maple
    Feb 23, 2016
  7. 350sky

    HELP! How remove Axles

    350sky, Apr 14, 2012 ... 2
    Replies:
    26
    Views:
    2,691
    monzaz
    Apr 17, 2012
  8. 72GSX4ME

    Looking for Riv 3.23 or 3.42 ring and pinion

    72GSX4ME, Jan 31, 2007 ... 2
    Replies:
    26
    Views:
    4,118
    76WAGON
    Nov 1, 2009
  9. fatboybuick

    buick electra posi rearend

    fatboybuick, Sep 22, 2009 ... 2
    Replies:
    26
    Views:
    4,216
    LARRY70GS
    Sep 27, 2009
  10. deweylittle

    swapping to 8.5", axle bearing problem

    deweylittle, May 8, 2006 ... 2
    Replies:
    26
    Views:
    3,717
    monzaz
    May 16, 2006
  11. bigtimer24

    Gear questions?

    bigtimer24, Apr 8, 2023 ... 2
    Replies:
    25
    Views:
    1,928
    BrianTrick
    Apr 27, 2023
  12. rkammer

    Do I really need new axles?

    rkammer, Feb 13, 2023 ... 2
    Replies:
    25
    Views:
    1,077
    rkammer
    Feb 14, 2023
  13. V6sleeper

    Rear id 70 Sportwagon

    V6sleeper, Sep 17, 2021 ... 2
    Replies:
    25
    Views:
    859
    BrianTrick
    Sep 21, 2021
  14. Lory's 350

    Rearend identification

    Lory's 350, Mar 31, 2020 ... 2
    Replies:
    25
    Views:
    1,487
    monzaz
    Apr 10, 2020
  15. mkeeler

    What rear end to use ?

    mkeeler, Feb 15, 2011 ... 2
    Replies:
    25
    Views:
    7,691
    monzaz
    May 22, 2019
  16. ceas350

    72 rear end how much can it be shortened

    ceas350, Oct 25, 2017 ... 2
    Replies:
    25
    Views:
    1,588
    ceas350
    Oct 28, 2017
  17. hobbby

    10 bolt rear end exploded!

    hobbby, Oct 9, 2014 ... 2
    Replies:
    25
    Views:
    6,738
    monzaz
    May 16, 2015
  18. Atbb

    Driveshaft question

    Atbb, Jan 18, 2011 ... 2
    Replies:
    25
    Views:
    2,124
    Atbb
    Sep 21, 2012
  19. MB67

    rear end?

    MB67, Sep 8, 2011 ... 2
    Replies:
    25
    Views:
    3,545
    nekkidhillbilly
    Sep 26, 2011
  20. Piston_Freddy

    What gears are everybody running with TH200-4R?

    Piston_Freddy, Sep 10, 2011 ... 2
    Replies:
    25
    Views:
    6,577
    knucklebusted
    Sep 20, 2011
  21. cellblock_g

    1985 Buick Le Sabre rear axle ratio

    cellblock_g, Nov 13, 2009 ... 2
    Replies:
    25
    Views:
    9,319
    cellblock_g
    Aug 13, 2010
  22. Nothingface5384

    got my mosers today!

    Nothingface5384, Dec 1, 2009 ... 2
    Replies:
    25
    Views:
    4,373
    Nothingface5384
    Mar 26, 2010
  23. rack-attack

    12 bolt type 0

    rack-attack, Oct 21, 2009 ... 2
    Replies:
    25
    Views:
    7,706
    stage1 Rick
    Nov 20, 2009
  24. idahoskylark

    anyone using 4.88 gears

    idahoskylark, Jun 19, 2009 ... 2
    Replies:
    25
    Views:
    2,012
    BQUICK
    Jul 23, 2009
  25. fireball

    67 GS 400 rear axle seal question

    fireball, Jun 7, 2008 ... 2
    Replies:
    25
    Views:
    8,749
    wkillgs
    Jun 27, 2008
  26. jamhdit

    gear venders

    jamhdit, Mar 9, 2008 ... 2
    Replies:
    25
    Views:
    2,351
    nekkidhillbilly
    Apr 25, 2008
  27. Billy

    Broken 8.5 axle.

    Billy, Mar 13, 2006 ... 2
    Replies:
    25
    Views:
    1,566
    monzaz
    Mar 25, 2006
  28. Graham

    Canadian Skylark 12 Bolt Decoding

    Graham, Nov 14, 2005 ... 2
    Replies:
    25
    Views:
    3,964
    Graham
    Jan 20, 2006
  29. koserv

    67 GS gear

    koserv, Sep 8, 2021 ... 2
    Replies:
    24
    Views:
    876
    koserv
    Sep 13, 2021
  30. Canadian GS 350

    1972 8.5 inch axles?

    Canadian GS 350, Jan 25, 2019 ... 2
    Replies:
    24
    Views:
    2,122
    Canadian GS 350
    Apr 27, 2019
  31. StagedCat

    Performance 8.5 input needed....

    StagedCat, Mar 10, 2018 ... 2
    Replies:
    24
    Views:
    1,285
    BrianTrick
    Mar 15, 2018
  32. Esasky's85GN

    Is this rear end worth changing out my stock 8.5 10 bolt

    Esasky's85GN, Sep 20, 2017 ... 2
    Replies:
    24
    Views:
    1,652
    monzaz
    Sep 27, 2017
  33. Robs455

    12 Bolt posi safe or not?

    Robs455, Jan 20, 2017 ... 2
    Replies:
    24
    Views:
    2,508
    monzaz
    Jan 27, 2017
  34. 71Skylark1384

    Got a Gear dilemma.

    71Skylark1384, Jan 28, 2016 ... 2
    Replies:
    24
    Views:
    2,639
    LARRY70GS
    Jan 31, 2016
  35. WhiteRiviera

    Spool and gears on 8.5 rear?

    WhiteRiviera, Jan 3, 2013 ... 2
    Replies:
    24
    Views:
    2,441
    300sbb_overkill
    Jan 8, 2013
  36. James McD

    Help with 10 bolt 8.2 Posi, what can I do?

    James McD, Jun 13, 2011 ... 2
    Replies:
    24
    Views:
    4,406
    James McD
    Aug 29, 2011
  37. eagleguy

    Just installed a 3.08 posi, break in question?

    eagleguy, Mar 27, 2010 ... 2
    Replies:
    24
    Views:
    3,101
    Jeff T
    Apr 2, 2010
  38. garybuick

    RPM, Gear Ratio, Speed Calculation Tool

    garybuick, Aug 22, 2007 ... 2
    Replies:
    24
    Views:
    4,567
    pabstman
    Jan 15, 2010
  39. cstanley-gs

    Why does gear oil stink?

    cstanley-gs, Aug 16, 2006 ... 2
    Replies:
    24
    Views:
    1,699
    CTX-SLPR
    Sep 19, 2006
  40. BQUICK

    Gov-lock

    BQUICK, Aug 30, 2022 ... 2
    Replies:
    23
    Views:
    970
    Bens99gtp
    Jan 31, 2023
  41. TTNC

    Upgrading Chevy 12 bolt to 9 inch

    TTNC, Oct 12, 2020 ... 2
    Replies:
    23
    Views:
    1,024
    TTNC
    Oct 14, 2020
  42. Jake G'S 455

    Replacement rear for my 69 GS

    Jake G'S 455, Mar 28, 2020 ... 2
    Replies:
    23
    Views:
    1,099
    BrianTrick
    Jul 11, 2020
  43. Airtight1975

    1972 Buick Riviera Rear Axle

    Airtight1975, Feb 6, 2017 ... 2
    Replies:
    23
    Views:
    5,943
    monzaz
    Jun 26, 2018
  44. BigSmo54

    Best ratio for my wants?

    BigSmo54, Feb 3, 2018 ... 2
    Replies:
    23
    Views:
    1,894
    87GN_70GS
    Feb 7, 2018
  45. gary sell

    Price for wheel bearings ?

    gary sell, May 7, 2017 ... 2
    Replies:
    23
    Views:
    2,319
    Bens99gtp
    May 13, 2017
  46. cstanley-gs

    Cost of rear bearings and seals?

    cstanley-gs, Mar 30, 2013 ... 2
    Replies:
    23
    Views:
    4,291
    cstanley-gs
    May 16, 2013
  47. Andy69

    driveline vibration

    Andy69, Mar 3, 2013 ... 2
    Replies:
    23
    Views:
    4,344
    Andy69
    Mar 6, 2013
  48. RATCHETMASTER

    1970 Buick lesabre 455 with posi. Square cover. What years use this type of rear?

    RATCHETMASTER, Apr 11, 2012 ... 2
    Replies:
    23
    Views:
    4,576
    Jim Jones
    Jun 1, 2012
  49. MartinNr5

    What axle is this?

    MartinNr5, Apr 7, 2010 ... 2
    Replies:
    23
    Views:
    3,223
    MartinNr5
    Apr 28, 2010
  50. 73buick73

    riviera rear

    73buick73, Mar 4, 2007 ... 2
    Replies:
    23
    Views:
    4,977
    1drwgn
    Nov 8, 2009
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