Got gears?

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

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  1. 68 Skylark cust

    Diff Gear change 3.08 to ??

    68 Skylark cust, Jun 23, 2021 ... 2
    Replies:
    27
    Views:
    506
    68 Skylark cust
    Jul 27, 2021 at 6:38 PM
  2. 68ElectraCustom

    Plz help decode my 9 3/8 axle

    68ElectraCustom, Apr 22, 2021
    Replies:
    12
    Views:
    440
    68ElectraCustom
    Jul 27, 2021 at 3:32 PM
  3. etanner66

    Rear and trans combo

    etanner66, Feb 12, 2021
    Replies:
    17
    Views:
    342
    LARRY70GS
    Jul 27, 2021 at 1:30 PM
  4. LouV

    Pinion Yoke Question

    LouV, May 7, 2021 ... 2
    Replies:
    24
    Views:
    484
    BrianTrick
    Jul 24, 2021 at 9:20 PM
  5. gsgns4me

    Looking For A Good, Hard Stud!

    gsgns4me, Jul 19, 2021
    Replies:
    14
    Views:
    222
    436'd Skylark
    Jul 22, 2021
  6. 70/71GS

    1968 8.2 Axle Bearing Replacement

    70/71GS, Jul 12, 2021
    Replies:
    6
    Views:
    186
    monzaz
    Jul 16, 2021
  7. Towley

    1970

    Towley, Mar 11, 2021
    Replies:
    10
    Views:
    407
    monzaz
    Jul 12, 2021
  8. Brett Slater

    FabCraft Gearsets

    Brett Slater, Jun 18, 2021
    Replies:
    10
    Views:
    293
    stump puller455
    Jul 9, 2021
  9. jmccart

    8.5 10 bolts, 71 & later Buick & Olds, Pontiac too?

    jmccart, Aug 19, 2009 ... 2
    Replies:
    33
    Views:
    14,391
    Bens99gtp
    Jul 7, 2021
  10. gearhead-42

    64 wildcat rear end help

    gearhead-42, Aug 10, 2015
    Replies:
    13
    Views:
    1,749
    SpecialWagon65
    Jul 7, 2021
  11. 70staged

    Ta girdle

    70staged, Apr 21, 2021
    Replies:
    8
    Views:
    427
    BrianTrick
    Jul 5, 2021
  12. monzaz

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

    monzaz, Apr 30, 2020 ... 2
    Replies:
    35
    Views:
    1,665
    Max Damage
    Jul 5, 2021
  13. 1969RIVI

    69 Riv drive shaft parts

    1969RIVI, May 3, 2021 ... 2
    Replies:
    34
    Views:
    480
    Briz
    Jul 4, 2021
  14. GSFredsbuddy

    65-66 rear ends

    GSFredsbuddy, Jul 1, 2021
    Replies:
    5
    Views:
    138
    BrianTrick
    Jul 2, 2021
  15. black70buick

    71 rear end TLC

    black70buick, Jun 18, 2021
    Replies:
    10
    Views:
    253
    monzaz
    Jun 30, 2021
  16. Groucho70

    New gears

    Groucho70, Jun 17, 2021
    Replies:
    9
    Views:
    220
    OHC JOE
    Jun 22, 2021
  17. Buickcub

    8.5 10 bolt suggestions

    Buickcub, Jan 12, 2021 ... 2
    Replies:
    28
    Views:
    735
    monzaz
    Jun 21, 2021
  18. GMMADMAN

    12 bolt in my '66 Skylark

    GMMADMAN, Dec 8, 2018 ... 2
    Replies:
    34
    Views:
    1,709
    monzaz
    Jun 8, 2021
  19. lbrod

    65 GS differential cover gasket

    lbrod, Jun 7, 2021
    Replies:
    3
    Views:
    72
    LARRY70GS
    Jun 8, 2021
  20. Dalton69Skylark

    '69 Skylark Rear End needed

    Dalton69Skylark, Jan 26, 2021
    Replies:
    13
    Views:
    473
    monzaz
    Jun 1, 2021
  21. Chi-Town67

    '67 GS Posi rear end value?

    Chi-Town67, May 30, 2021
    Replies:
    5
    Views:
    199
    monzaz
    Jun 1, 2021
  22. SS/GN

    12 Bolt pinion seal leaks

    SS/GN, May 20, 2021
    Replies:
    15
    Views:
    241
    SS/GN
    Jun 1, 2021
  23. nekkidhillbilly

    72 lesabre 8.5 28 or 30 spline?

    nekkidhillbilly, Apr 19, 2021
    Replies:
    14
    Views:
    329
    nekkidhillbilly
    May 25, 2021
  24. Chi-Town67

    Upper trailing arm difference

    Chi-Town67, May 23, 2021
    Replies:
    9
    Views:
    147
    Steve Reynolds
    May 24, 2021
  25. Richie

    Markings on axle tube

    Richie, May 22, 2021
    Replies:
    10
    Views:
    169
    BrianTrick
    May 23, 2021
  26. silly

    Want to change gears from 3.08 to 3.73 on my 1975 buick lesabre

    silly, Apr 24, 2021
    Replies:
    7
    Views:
    275
    monzaz
    May 14, 2021
  27. 1969RIVI

    9 3/8 Posi gear ID

    1969RIVI, May 8, 2021
    Replies:
    17
    Views:
    253
    1969RIVI
    May 10, 2021
  28. Rich Skylark

    1967 Olds Rear

    Rich Skylark, May 5, 2021
    Replies:
    6
    Views:
    173
    Mark Demko
    May 7, 2021
  29. James3047

    Posi 12 bolt

    James3047, Apr 6, 2021
    Replies:
    8
    Views:
    417
    BrianTrick
    May 4, 2021
  30. Mark G

    10 Bolt vs 12 Bolt Width

    Mark G, Mar 30, 2021
    Replies:
    18
    Views:
    485
    BrianTrick
    May 1, 2021
  31. desordi

    Adding to the Lore: 1970 rear axle code

    desordi, Apr 22, 2021
    Replies:
    5
    Views:
    404
    Hawken
    Apr 29, 2021
  32. Larryb

    can anyone ID this axle

    Larryb, Jan 9, 2021 ... 2 3
    Replies:
    41
    Views:
    1,342
    monzaz
    Apr 22, 2021
  33. sriley531

    Rear end noise question.

    sriley531, Apr 22, 2021
    Replies:
    4
    Views:
    318
    sriley531
    Apr 22, 2021
  34. Chuck George

    Will it fit?

    Chuck George, Jan 16, 2021 ... 2
    Replies:
    22
    Views:
    1,210
    LARRY70GS
    Apr 20, 2021
  35. 69gs400 conv

    Can anyone id this axle?

    69gs400 conv, Apr 13, 2021 ... 2
    Replies:
    21
    Views:
    860
    LARRY70GS
    Apr 20, 2021
  36. M Billings

    8.2 spacer question

    M Billings, Nov 5, 2004
    Replies:
    10
    Views:
    1,653
    BrianTrick
    Apr 18, 2021
  37. MatVDD

    Posi help for 12 bolt GM Skylark 350

    MatVDD, Apr 12, 2021
    Replies:
    8
    Views:
    470
    monzaz
    Apr 15, 2021
  38. 1969briviera

    Valvoline axle oil

    1969briviera, Apr 10, 2021
    Replies:
    10
    Views:
    584
    LARRY70GS
    Apr 13, 2021
  39. 1969buickgs455

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

    1969buickgs455, Jan 4, 2021 ... 3 4 5
    Replies:
    86
    Views:
    2,595
    69GS430/TKX
    Apr 11, 2021
  40. Kevin Martin

    68 skylark rear end identification

    Kevin Martin, Apr 1, 2021
    Replies:
    12
    Views:
    538
    monzaz
    Apr 10, 2021
  41. mikethegoon

    12 bolt preload springs R/r

    mikethegoon, Mar 8, 2021 ... 2
    Replies:
    31
    Views:
    1,140
    BrianTrick
    Apr 6, 2021
  42. 1967 Big Buick

    Turbo 400 yoke troubles

    1967 Big Buick, Dec 16, 2020
    Replies:
    7
    Views:
    519
    Bens99gtp
    Apr 1, 2021
  43. rkammer

    Which Driveshaft Loop is this?

    rkammer, Mar 11, 2021
    Replies:
    17
    Views:
    451
    Chi-Town67
    Mar 22, 2021
  44. jmos4

    Moser 12 bolt or 9" Ford?

    jmos4, Mar 9, 2021 ... 2
    Replies:
    21
    Views:
    464
    Bygblok
    Mar 11, 2021
  45. Jenna Nieves

    Th400 issues need troubleshooting help

    Jenna Nieves, Mar 10, 2021
    Replies:
    7
    Views:
    227
    Jenna Nieves
    Mar 11, 2021
  46. 1969briviera

    Rear axle cover to housing.

    1969briviera, Mar 1, 2021
    Replies:
    9
    Views:
    238
    1969briviera
    Mar 2, 2021
  47. BillA

    Whining noise on acceleration

    BillA, Feb 28, 2021
    Replies:
    5
    Views:
    255
    BrianTrick
    Mar 1, 2021
  48. shifter51

    Rear end swap for 71 GS

    shifter51, Feb 16, 2021
    Replies:
    13
    Views:
    383
    LARRY70GS
    Feb 18, 2021
  49. StKing

    Rear end axle shafts different offset after assembly?

    StKing, Feb 8, 2021 ... 2
    Replies:
    20
    Views:
    535
    monzaz
    Feb 16, 2021
  50. OldDrummer55

    1972 Riviera Rear End

    OldDrummer55, Dec 16, 2020 ... 2
    Replies:
    22
    Views:
    607
    Luxus
    Feb 12, 2021
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