Got gears?

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

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  1. agetnt9

    12 Bolt Swap

    agetnt9, Jun 17, 2011
    Replies:
    12
    Views:
    1,272
    agetnt9
    Jun 18, 2011
  2. racenu

    12 bolt swap

    racenu, Jan 3, 2007
    Replies:
    10
    Views:
    1,522
    Sportwagon400
    Jan 10, 2007
  3. stged455

    12 bolt swap

    stged455, Jun 4, 2011
    Replies:
    2
    Views:
    632
    stged455
    Jun 5, 2011
  4. stged455

    12 bolt swap

    stged455, Jun 4, 2011
    Replies:
    6
    Views:
    973
    knucklebusted
    Jun 5, 2011
  5. Idaho67gs400

    12 bolt swap in 67 GS 400

    Idaho67gs400, Jan 8, 2012
    Replies:
    10
    Views:
    1,485
    wkillgs
    Jan 10, 2012
  6. 1970 GS 4spd

    12 bolt swap into a 73 Century

    1970 GS 4spd, Oct 5, 2008
    Replies:
    6
    Views:
    519
    monzaz
    Oct 6, 2008
  7. rmstg2

    12 Bolt to 8.5 10 Bolt Swap

    rmstg2, Feb 11, 2012
    Replies:
    6
    Views:
    916
    monzaz
    Feb 13, 2012
  8. rack-attack

    12 bolt type 0

    rack-attack, Oct 21, 2009 ... 2
    Replies:
    25
    Views:
    7,759
    stage1 Rick
    Nov 20, 2009
  9. knucklebusted

    12 Bolt Value?

    knucklebusted, Jun 5, 2011
    Replies:
    8
    Views:
    1,448
    monzaz
    Jun 7, 2011
  10. DelmarHD

    12 bolt versus 10 bolt driveshaft length

    DelmarHD, Apr 10, 2007
    Replies:
    1
    Views:
    1,696
    oPh
    Apr 10, 2007
  11. sean Buick 76

    12 bolt vs 8.5

    sean Buick 76, Nov 9, 2021
    Replies:
    10
    Views:
    805
    monzaz
    Dec 3, 2021
  12. idahoskylark

    12 bolt w no mounts - repairable??

    idahoskylark, Jul 14, 2011
    Replies:
    12
    Views:
    2,238
    idahoskylark
    Jul 27, 2011
  13. bugeater

    12 Bolt with 4.88's

    bugeater, Aug 24, 2012
    Replies:
    8
    Views:
    1,236
    gstewart
    Aug 27, 2012
  14. mk333

    12 bolt WT code?

    mk333, Aug 3, 2009
    Replies:
    2
    Views:
    510
    mk333
    Aug 3, 2009
  15. 67RivRacer

    12 Bolt, 28 Spline?

    67RivRacer, May 25, 2008
    Replies:
    11
    Views:
    2,944
    Bad Buick
    Jun 25, 2008
  16. Woodie

    12 bolt/9"...

    Woodie, Feb 12, 2007
    Replies:
    3
    Views:
    621
    Stage2Scott
    Feb 14, 2007
  17. scubasteve455

    12 bolts install question

    scubasteve455, Apr 29, 2018
    Replies:
    12
    Views:
    634
    scubasteve455
    May 3, 2018
  18. Poconobuick

    12 Detroit Locker Problem

    Poconobuick, Sep 17, 2008
    Replies:
    0
    Views:
    499
    Poconobuick
    Sep 17, 2008
  19. 69GS400s

    12-bolt Chevy Posi gear swap ???

    69GS400s, Feb 1, 2007
    Replies:
    10
    Views:
    3,456
    72GSX4ME
    Feb 2, 2007
  20. Kevin.1

    12-bolt compatibility?

    Kevin.1, Feb 7, 2006
    Replies:
    1
    Views:
    529
    10sec 455
    Feb 7, 2006
  21. Michael Evans

    12-bolt locker unit

    Michael Evans, Apr 8, 2011
    Replies:
    6
    Views:
    842
    Michael Evans
    Apr 9, 2011
  22. Nothingface5384

    12bolt centersection welded to 10bolt housing

    Nothingface5384, Mar 18, 2011
    Replies:
    11
    Views:
    1,356
    monzaz
    Apr 10, 2011
  23. agetnt9

    1350 rear yoke to smaller drive shaft end

    agetnt9, Jun 13, 2018
    Replies:
    4
    Views:
    337
    agetnt9
    Jun 13, 2018
  24. 7 skylark 1

    1350 yokes & u-joints ?

    7 skylark 1, Dec 15, 2006
    Replies:
    2
    Views:
    754
    7 skylark 1
    Dec 16, 2006
  25. 1drwgn

    1410 Flange yoke

    1drwgn, Oct 29, 2009
    Replies:
    7
    Views:
    2,425
    1drwgn
    Nov 4, 2009
  26. century66r

    1955 century rear end

    century66r, Feb 18, 2007
    Replies:
    1
    Views:
    1,280
    oPh
    Feb 19, 2007
  27. poison heart

    1959 BOP Third Member Swap

    poison heart, Feb 14, 2009
    Replies:
    3
    Views:
    920
    poison heart
    Feb 14, 2009
  28. poison heart

    1959 Posi

    poison heart, Jul 23, 2007
    Replies:
    0
    Views:
    374
    poison heart
    Jul 23, 2007
  29. cluxford

    1961 Lesabre - Axle seals leaking

    cluxford, Feb 23, 2014
    Replies:
    18
    Views:
    1,375
    frankie62
    Mar 27, 2014
  30. Sypher

    1961 LeSabre..posi?

    Sypher, Apr 13, 2015
    Replies:
    7
    Views:
    1,266
    56buickboy
    Apr 21, 2015
  31. Mr62Buick

    1961-1965 positractions....

    Mr62Buick, Mar 13, 2009
    Replies:
    9
    Views:
    869
    CTX-SLPR
    Mar 24, 2009
  32. LARRY70GS

    1962 4 lug to 5 lug wheels

    LARRY70GS, May 27, 2010
    Replies:
    1
    Views:
    862
    Golden Oldie 65
    May 27, 2010
  33. Bryon

    1962 Buick 9 3/8 rear ends

    Bryon, Mar 17, 2018 ... 2
    Replies:
    36
    Views:
    5,269
    monzaz
    Nov 25, 2023
  34. duchan

    1962 buick special rear axel bearing

    duchan, Mar 13, 2010
    Replies:
    3
    Views:
    698
    flynbuick
    Mar 14, 2010
  35. monzaz

    1963 64 65 RIV rear diff. look what I found

    monzaz, Jul 6, 2008
    Replies:
    5
    Views:
    635
    monzaz
    Jul 7, 2008
  36. foofer

    1963 Buick Lesabre Third Member

    foofer, Dec 23, 2013
    Replies:
    3
    Views:
    1,775
    monzaz
    Jan 14, 2014
  37. Clanceman427

    1964 A body driveshaft interchange?

    Clanceman427, Dec 16, 2012
    Replies:
    3
    Views:
    368
    wkillgs
    Dec 17, 2012
  38. Tim_D

    1964 BOP Axle - R&P Options

    Tim_D, Aug 26, 2019
    Replies:
    17
    Views:
    1,022
    BrianTrick
    Sep 6, 2019
  39. Me235

    1964 Buick 9 3/8 drop out spiders

    Me235, Jun 2, 2018
    Replies:
    2
    Views:
    460
    Me235
    Jun 3, 2018
  40. Bill Nuttle

    1964 Cutlass Axle

    Bill Nuttle, Jan 7, 2019
    Replies:
    10
    Views:
    664
    monzaz
    Jan 8, 2019
  41. cobravii

    1964 Electra rear wheel bearings

    cobravii, Jan 29, 2015
    Replies:
    2
    Views:
    784
    monzaz
    Feb 17, 2015
  42. robert v

    1964 Pontiac Tempest rear compatibility for 1965 Skylark

    robert v, Jun 21, 2020
    Replies:
    12
    Views:
    882
    64 skylark mike
    Jun 22, 2020
  43. jamhdit

    1964 Posi

    jamhdit, Jan 1, 2009
    Replies:
    7
    Views:
    638
    monzaz
    Jan 9, 2009
  44. LowFlyLark

    1964 Skylark, 300 ci, 200 4R, 2.78:1. HELP

    LowFlyLark, Feb 26, 2011
    Replies:
    1
    Views:
    790
    BillA
    Feb 26, 2011
  45. SpecialWagon65

    1965 axle/posi questions-what is in there?

    SpecialWagon65, Sep 16, 2004
    Replies:
    4
    Views:
    650
    SpecialWagon65
    Sep 21, 2004
  46. BuickJack

    1965 Buick Skylark rear axle shaft (right side)

    BuickJack, Sep 18, 2015
    Replies:
    0
    Views:
    672
    BuickJack
    Sep 18, 2015
  47. uh34d

    1965 Lark GS 10 Bolt Posi

    uh34d, Mar 7, 2013
    Replies:
    4
    Views:
    894
    monzaz
    Mar 7, 2013
  48. 65mildcustomRIV

    1965 Riv rear gears, where to find 3.08/3.42

    65mildcustomRIV, Feb 1, 2006
    Replies:
    1
    Views:
    619
    CTX-SLPR
    Feb 1, 2006
  49. robert v

    1965 skylark rear end swap question.

    robert v, Oct 23, 2017
    Replies:
    13
    Views:
    1,907
    Donuts & Peelouts
    Nov 10, 2017
  50. leadsled01

    1965 wildcat POSI ????

    leadsled01, Mar 17, 2008
    Replies:
    11
    Views:
    1,419
    buickbonehead
    Mar 19, 2008
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