Got gears?

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

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  1. Buick#455

    71 skylark rear end gear ratio?

    Buick#455, Jun 26, 2007
    Replies:
    9
    Views:
    5,843
    alec296
    Jul 4, 2007
  2. Iggycat2004

    71 GS 10 Bolt Rear axle end play - QUESTION

    Iggycat2004, Jun 11, 2009
    Replies:
    10
    Views:
    5,664
    CJay
    Jun 14, 2009
  3. Buick#455

    Convert a 10 bolt to Posi

    Buick#455, Aug 20, 2009
    Replies:
    11
    Views:
    5,637
    eagleguy
    Aug 27, 2009
  4. Airflow

    66 Riviera Driveshaft Rebuild

    Airflow, May 17, 2010
    Replies:
    17
    Views:
    5,631
    Lucy Fair
    May 24, 2011
  5. JearBear

    10 Bolt Axle Shaft Bearing Removal?

    JearBear, Feb 3, 2013
    Replies:
    11
    Views:
    5,601
    LARRY70GS
    Feb 17, 2013
  6. chevick

    10 bolt rear axle id.

    chevick, Jul 23, 2009
    Replies:
    6
    Views:
    5,519
    monzaz
    Jul 25, 2009
  7. Rikzred68

    re -tightening pinion nut

    Rikzred68, Mar 25, 2009
    Replies:
    8
    Views:
    5,390
    Doug Ray
    Mar 31, 2009
  8. elagache

    Which rear end (and tires?) for my JW powered 65 Special Wagon?

    elagache, Aug 1, 2012 ... 2 3
    Replies:
    56
    Views:
    5,306
    bufords
    Aug 15, 2012
  9. Bryon

    1962 Buick 9 3/8 rear ends

    Bryon, Mar 17, 2018 ... 2
    Replies:
    36
    Views:
    5,175
    monzaz
    Nov 25, 2023
  10. jmccart

    70-72 Monte Carlo rear-same as skylark

    jmccart, Sep 7, 2005
    Replies:
    4
    Views:
    5,174
    jmccart
    Sep 9, 2005
  11. Double6skylark

    Super Turbine 300 2 speed transmission upgrade

    Double6skylark, Jul 19, 2017
    Replies:
    10
    Views:
    5,164
    Double6skylark
    Aug 7, 2017
  12. techg8

    8.5 / 8.2 adapter u-joint ?

    techg8, May 30, 2010
    Replies:
    8
    Views:
    5,088
    monzaz
    Jun 4, 2010
  13. Andy69

    differential casting ID help

    Andy69, Mar 15, 2011
    Replies:
    6
    Views:
    5,085
    Andy69
    Mar 16, 2011
  14. Atbb

    TH200R4 with 3.73

    Atbb, Mar 11, 2010
    Replies:
    15
    Views:
    4,990
    Atbb
    Mar 15, 2010
  15. 73buick73

    riviera rear

    73buick73, Mar 4, 2007 ... 2
    Replies:
    23
    Views:
    4,977
    1drwgn
    Nov 8, 2009
  16. chrisc1541

    308 posi good on highway?

    chrisc1541, Jul 27, 2010
    Replies:
    13
    Views:
    4,967
    LARRY70GS
    Jul 27, 2010
  17. RATROASTER

    Ford 9" axle seals

    RATROASTER, Apr 2, 2006
    Replies:
    11
    Views:
    4,887
    65skyHT
    May 1, 2007
  18. beanbagger

    12 bolt (bop) rear

    beanbagger, Mar 13, 2007
    Replies:
    4
    Views:
    4,878
    beanbagger
    Mar 20, 2007
  19. Sir Speedy

    Rear Gears

    Sir Speedy, Apr 3, 2010 ... 2 3
    Replies:
    43
    Views:
    4,863
    monzaz
    May 21, 2010
  20. moleary

    Oldsmobile type "O" rear end with 12 bolt cover/10 bolt 8.5" ring gear

    moleary, Feb 25, 2013
    Replies:
    7
    Views:
    4,849
    moleary
    Feb 25, 2013
  21. Todd69GS

    8.2 BOP gear question

    Todd69GS, Jun 14, 2006
    Replies:
    2
    Views:
    4,826
    oPh
    Jun 15, 2006
  22. SpecialWagon65

    2.56 :1 posi?

    SpecialWagon65, Oct 26, 2013 ... 2
    Replies:
    27
    Views:
    4,672
    BrianTrick
    May 13, 2015
  23. 3lark

    8.5 10 bolt cover question?

    3lark, Mar 9, 2006
    Replies:
    19
    Views:
    4,611
    monzaz
    Apr 10, 2006
  24. gsjake

    did a 75 riv come with a 9 3/8 rear?

    gsjake, May 16, 2012 ... 2
    Replies:
    22
    Views:
    4,607
    limited_driver
    Jun 16, 2016
  25. bigmike667

    1968 Buick Riviera Posi question

    bigmike667, May 30, 2010
    Replies:
    19
    Views:
    4,597
    Briz
    Jun 3, 2010
  26. 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
  27. garybuick

    RPM, Gear Ratio, Speed Calculation Tool

    garybuick, Aug 22, 2007 ... 2
    Replies:
    24
    Views:
    4,567
    pabstman
    Jan 15, 2010
  28. FJM568

    Setting up 71 8.5 A-body from 2.xx open to 3.08 posi

    FJM568, Mar 28, 2011 ... 2 3
    Replies:
    44
    Views:
    4,524
    FJM568
    Nov 24, 2016
  29. Rad005

    28 or 30 spline?

    Rad005, Jan 10, 2010
    Replies:
    11
    Views:
    4,492
    Rad005
    Jan 11, 2010
  30. cranberryjam104

    Differential Positraction

    cranberryjam104, May 28, 2015
    Replies:
    8
    Views:
    4,487
    monzaz
    Jul 25, 2015
  31. 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
  32. eagleguy

    Gear ratio question

    eagleguy, Oct 5, 2012 ... 2
    Replies:
    27
    Views:
    4,402
    eagleguy
    Oct 11, 2012
  33. 70SLCust

    Skylark Differential ID

    70SLCust, Oct 4, 2009
    Replies:
    9
    Views:
    4,397
    BrianTrick
    Oct 9, 2009
  34. eagleguy

    Best all around gear ratio, street and hwy

    eagleguy, Dec 11, 2010 ... 2
    Replies:
    21
    Views:
    4,380
    monzaz
    Dec 14, 2010
  35. Nothingface5384

    got my mosers today!

    Nothingface5384, Dec 1, 2009 ... 2
    Replies:
    25
    Views:
    4,373
    Nothingface5384
    Mar 26, 2010
  36. carmantx

    3 series gear on a 2 series carrier? Possible? Does someone make a thick gear?

    carmantx, Feb 12, 2011
    Replies:
    15
    Views:
    4,372
    carmantx
    Feb 25, 2011
  37. BuickGS65

    '66 Chevlle 10 bolt into '65 Skylark -- gears?

    BuickGS65, Sep 18, 2004 ... 2
    Replies:
    23
    Views:
    4,364
    BuickGS65
    Mar 27, 2005
  38. Andy69

    driveline vibration

    Andy69, Mar 3, 2013 ... 2
    Replies:
    23
    Views:
    4,344
    Andy69
    Mar 6, 2013
  39. seventychevy

    BOP vs. Chevelle rearend

    seventychevy, Aug 12, 2008
    Replies:
    8
    Views:
    4,339
    nekkidhillbilly
    Aug 14, 2008
  40. schwemf

    Wheel Bearings for 1970 GS 3.64 RW507G

    schwemf, Jul 24, 2016 ... 2
    Replies:
    29
    Views:
    4,304
    CruisinLou
    Feb 23, 2020
  41. cstanley-gs

    Cost of rear bearings and seals?

    cstanley-gs, Mar 30, 2013 ... 2
    Replies:
    23
    Views:
    4,290
    cstanley-gs
    May 16, 2013
  42. Topless64-455

    THoughts on running 3.31 gear with a 200r4 tranny???

    Topless64-455, Apr 23, 2011 ... 2
    Replies:
    30
    Views:
    4,242
    LowFlyLark
    May 5, 2011
  43. fatboybuick

    buick electra posi rearend

    fatboybuick, Sep 22, 2009 ... 2
    Replies:
    26
    Views:
    4,216
    LARRY70GS
    Sep 27, 2009
  44. BrianinStLouis

    Man, thats a lotta play. 72 Suncoupe

    BrianinStLouis, Sep 20, 2016 ... 2 3
    Replies:
    49
    Views:
    4,190
    BrianinStLouis
    Oct 16, 2016
  45. LARRY70GS

    A9, A10 axle bearing measurements.

    LARRY70GS, Feb 20, 2007
    Replies:
    11
    Views:
    4,174
    oPh
    Feb 22, 2007
  46. matt68gs400

    Eaton Posi

    matt68gs400, Sep 19, 2015 ... 2
    Replies:
    33
    Views:
    4,163
    matt68gs400
    Jun 6, 2016
  47. BellGS

    Currie Rear Ends

    BellGS, Dec 6, 2014 ... 2
    Replies:
    21
    Views:
    4,161
    monzaz
    Jan 31, 2015
  48. jay3000

    Help me with traction. Will a powertrax locker work???

    jay3000, Dec 3, 2007 ... 2
    Replies:
    33
    Views:
    4,144
    monzaz
    Dec 20, 2008
  49. racerxjj67

    Informative B.O.P 8.2 article

    racerxjj67, Jun 16, 2017 ... 2
    Replies:
    21
    Views:
    4,132
    BrianTrick
    Jun 24, 2017
  50. 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
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