Got gears?

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

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  1. lsSkylark

    8.5 rear end build for 550 hp

    lsSkylark, Sep 20, 2020 ... 2
    Replies:
    20
    Views:
    1,539
    DasRottweiler
    Oct 8, 2020
  2. 71GSX455-4SPD

    Boattail Riv + 575HP + Built 10 Bolt + Slicks = ?

    71GSX455-4SPD, Jan 4, 2020 ... 2
    Replies:
    20
    Views:
    1,357
    telriv
    May 21, 2020
  3. 2manybuicks

    Are Stock Buick Rears Really That Oddball?

    2manybuicks, Nov 4, 2019 ... 2
    Replies:
    20
    Views:
    1,791
    newyork455
    Nov 8, 2019
  4. afracer

    Which wear pattern looks better?

    afracer, May 5, 2019 ... 2
    Replies:
    20
    Views:
    1,344
    monzaz
    May 27, 2019
  5. Ryanjbill15

    Beam torque wrench question for pinion preload

    Ryanjbill15, Jul 7, 2018 ... 2
    Replies:
    20
    Views:
    2,131
    TexasT
    Oct 14, 2018
  6. Torsdalen

    Rear axle parts, Buick GS455 stg1, OO type

    Torsdalen, Jan 9, 2016 ... 2
    Replies:
    20
    Views:
    3,354
    Torsdalen
    Jan 21, 2016
  7. Robs455

    Change the gear ratio

    Robs455, Oct 31, 2014 ... 2
    Replies:
    20
    Views:
    3,307
    staged70
    Nov 14, 2014
  8. MDBuick68

    Is this rear a better choice for me? Price?

    MDBuick68, Apr 17, 2014 ... 2
    Replies:
    20
    Views:
    1,558
    MDBuick68
    Apr 24, 2014
  9. agetnt9

    Auburn, Eaton, truetrac opinions

    agetnt9, Feb 26, 2014 ... 2
    Replies:
    20
    Views:
    2,812
    wunquik86'
    Mar 6, 2014
  10. paul c

    new gears noisey

    paul c, Mar 24, 2013 ... 2
    Replies:
    20
    Views:
    1,767
    monzaz
    Apr 8, 2013
  11. Pelera

    Drive shaft bump

    Pelera, Aug 26, 2011 ... 2
    Replies:
    20
    Views:
    3,003
    GStage1
    Sep 7, 2011
  12. chrisc1541

    wub wub wub sound any ideas?

    chrisc1541, Dec 9, 2010 ... 2
    Replies:
    20
    Views:
    2,829
    Dr Goggles
    May 15, 2011
  13. fatboybuick

    amount of quarts to fill a 9 3/8 posi

    fatboybuick, May 30, 2010 ... 2
    Replies:
    20
    Views:
    1,469
    tlivingd
    Jun 3, 2010
  14. garybuick

    Just checked my differential doesnt make sense?

    garybuick, Jan 16, 2010 ... 2
    Replies:
    20
    Views:
    1,697
    Mark Demko
    Feb 7, 2010
  15. Stubbe

    Rear end choise?

    Stubbe, Oct 8, 2007 ... 2
    Replies:
    20
    Views:
    1,850
    BrianTrick
    Aug 19, 2009
  16. skritnoid

    best ratio for performance/highway

    skritnoid, Jul 31, 2008 ... 2
    Replies:
    20
    Views:
    1,728
    LARRY70GS
    Aug 6, 2008
  17. MartinNr5

    Easier to change gears or the whole axle?

    MartinNr5, Jul 30, 2006 ... 2
    Replies:
    20
    Views:
    1,744
    MartinNr5
    Jan 16, 2007
  18. GRIMM

    Stock buick rear strong?

    GRIMM, May 10, 2006 ... 2
    Replies:
    20
    Views:
    2,087
    GRIMM
    Jun 2, 2006
  19. RACEBUICKS

    OK Here is the problem......................

    RACEBUICKS, Sep 10, 2005 ... 2
    Replies:
    20
    Views:
    1,392
    monzaz
    Nov 5, 2005
  20. 72GSX

    I found a problem in my 12 bolt........

    72GSX, Oct 30, 2004 ... 2
    Replies:
    20
    Views:
    1,554
    72GSX
    Dec 22, 2004
  21. César Machicao

    8.2 or 8.5 BOP? 1970 Skylark 350 from Peru

    César Machicao, Sep 18, 2022
    Replies:
    19
    Views:
    790
    César Machicao
    Sep 20, 2022
  22. Nearing

    70 GS 3:64 posi - Differential lube recommendation

    Nearing, Jul 29, 2022
    Replies:
    19
    Views:
    761
    monzaz
    Aug 1, 2022
  23. etanner66

    Rear and trans combo

    etanner66, Feb 12, 2021
    Replies:
    19
    Views:
    855
    monzaz
    Mar 2, 2022
  24. gscalifornia

    8.5 questions on rebuild

    gscalifornia, Aug 13, 2020
    Replies:
    19
    Views:
    1,054
    sean Buick 76
    Nov 6, 2020
  25. john.schaefer77

    Pinion seal

    john.schaefer77, Aug 18, 2017
    Replies:
    19
    Views:
    1,109
    BrianTrick
    May 25, 2020
  26. msantimanzano

    BOP 8.2 guidance

    msantimanzano, May 24, 2019
    Replies:
    19
    Views:
    1,761
    monzaz
    Jun 4, 2019
  27. Troys69GS

    Unconventional 69 Rear disc build

    Troys69GS, Jan 30, 2019
    Replies:
    19
    Views:
    911
    1969RIVI
    Mar 1, 2019
  28. Romel

    Gears

    Romel, Jul 22, 2018
    Replies:
    19
    Views:
    902
    monzaz
    Sep 24, 2018
  29. eagleguy

    Posi rear lube question

    eagleguy, Jun 3, 2012
    Replies:
    19
    Views:
    2,454
    eagleguy
    Jun 24, 2012
  30. GS4551970

    N case rears

    GS4551970, Mar 14, 2005
    Replies:
    19
    Views:
    1,775
    monzaz
    Aug 30, 2011
  31. MikeyC

    3.73's in '68 Riv...How?

    MikeyC, Jul 10, 2011
    Replies:
    19
    Views:
    2,478
    turbobill
    Aug 1, 2011
  32. Golden Oldie 65

    Trouble getting a good pattern

    Golden Oldie 65, Jun 9, 2011
    Replies:
    19
    Views:
    1,289
    monzaz
    Jun 12, 2011
  33. MARK CAMALIERI

    Need rear 3rd member advise, 342 posi

    MARK CAMALIERI, May 13, 2011
    Replies:
    19
    Views:
    3,087
    MARK CAMALIERI
    May 17, 2011
  34. Sabotage_666

    What's better for road racing?

    Sabotage_666, Mar 2, 2011
    Replies:
    19
    Views:
    2,911
    Sabotage_666
    Apr 5, 2011
  35. CarolinaDrifter

    Upper control arm bushings???

    CarolinaDrifter, Sep 14, 2010
    Replies:
    19
    Views:
    2,892
    James P
    Sep 17, 2010
  36. bigmike667

    1968 Buick Riviera Posi question

    bigmike667, May 30, 2010
    Replies:
    19
    Views:
    4,630
    Briz
    Jun 3, 2010
  37. fatboybuick

    tallest wheel tire combo 2.93 gears

    fatboybuick, May 18, 2010
    Replies:
    19
    Views:
    2,020
    fatboybuick
    May 18, 2010
  38. Ryans-GSX

    Gear Ratio / Tire Size

    Ryans-GSX, Dec 31, 2006
    Replies:
    19
    Views:
    2,764
    faster
    Jan 6, 2007
  39. 3lark

    8.5 10 bolt cover question?

    3lark, Mar 9, 2006
    Replies:
    19
    Views:
    4,647
    monzaz
    Apr 10, 2006
  40. 70 Skylark Conv

    Must have done something wrong...

    70 Skylark Conv, Mar 8, 2005
    Replies:
    19
    Views:
    973
    monzaz
    Apr 8, 2005
  41. Sean Hawkins

    69 LeSabre Rear End Alternatives

    Sean Hawkins, Aug 22, 2023
    Replies:
    18
    Views:
    727
    DaWildcat
    Oct 30, 2023
  42. GS Spoken Here

    Need help IDing posi unit.

    GS Spoken Here, Apr 15, 2022
    Replies:
    18
    Views:
    1,298
    monzaz
    Apr 21, 2022
  43. breakinbuick11

    BOP or Chevy 10 bolt?

    breakinbuick11, Oct 18, 2021
    Replies:
    18
    Views:
    999
    BrianTrick
    Nov 30, 2021
  44. jhems17

    Posi or Not?

    jhems17, Sep 11, 2021
    Replies:
    18
    Views:
    827
    69GS430/TKX
    Sep 28, 2021
  45. Mark G

    10 Bolt vs 12 Bolt Width

    Mark G, Mar 30, 2021
    Replies:
    18
    Views:
    1,476
    BrianTrick
    May 1, 2021
  46. Dr. Evil

    Can anyone ID this rear end?

    Dr. Evil, May 16, 2020
    Replies:
    18
    Views:
    733
    monzaz
    May 19, 2020
  47. B-rock

    8.5 with bolt in axles.

    B-rock, Apr 9, 2020
    Replies:
    18
    Views:
    1,074
    LARRY70GS
    Apr 11, 2020
  48. got_tork

    8.8 Ford in A-body

    got_tork, Aug 22, 2019
    Replies:
    18
    Views:
    1,279
    got_tork
    Aug 28, 2019
  49. GMMADMAN

    gear ratio for my build

    GMMADMAN, Mar 13, 2018
    Replies:
    18
    Views:
    1,752
    monzaz
    Apr 22, 2018
  50. buickman7076

    8.2 or 8.5?

    buickman7076, Jun 27, 2017
    Replies:
    18
    Views:
    1,832
    hugger
    Jul 7, 2017
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