Got gears?

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

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  1. garybuick

    RPM, Gear Ratio, Speed Calculation Tool

    garybuick, Aug 22, 2007 ... 2
    Replies:
    24
    Views:
    4,583
    pabstman
    Jan 15, 2010
  2. RATCHETMASTER

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

    RATCHETMASTER, Apr 11, 2012 ... 2
    Replies:
    23
    Views:
    4,621
    Jim Jones
    Jun 1, 2012
  3. bigmike667

    1968 Buick Riviera Posi question

    bigmike667, May 30, 2010
    Replies:
    19
    Views:
    4,628
    Briz
    Jun 3, 2010
  4. gsjake

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

    gsjake, May 16, 2012 ... 2
    Replies:
    22
    Views:
    4,636
    limited_driver
    Jun 16, 2016
  5. 3lark

    8.5 10 bolt cover question?

    3lark, Mar 9, 2006
    Replies:
    19
    Views:
    4,637
    monzaz
    Apr 10, 2006
  6. SpecialWagon65

    2.56 :1 posi?

    SpecialWagon65, Oct 26, 2013 ... 2
    Replies:
    27
    Views:
    4,724
    BrianTrick
    May 13, 2015
  7. Todd69GS

    8.2 BOP gear question

    Todd69GS, Jun 14, 2006
    Replies:
    2
    Views:
    4,840
    oPh
    Jun 15, 2006
  8. moleary

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

    moleary, Feb 25, 2013
    Replies:
    7
    Views:
    4,872
    moleary
    Feb 25, 2013
  9. beanbagger

    12 bolt (bop) rear

    beanbagger, Mar 13, 2007
    Replies:
    4
    Views:
    4,887
    beanbagger
    Mar 20, 2007
  10. Sir Speedy

    Rear Gears

    Sir Speedy, Apr 3, 2010 ... 2 3
    Replies:
    43
    Views:
    4,898
    monzaz
    May 21, 2010
  11. RATROASTER

    Ford 9" axle seals

    RATROASTER, Apr 2, 2006
    Replies:
    11
    Views:
    4,904
    65skyHT
    May 1, 2007
  12. 73buick73

    riviera rear

    73buick73, Mar 4, 2007 ... 2
    Replies:
    23
    Views:
    4,998
    1drwgn
    Nov 8, 2009
  13. chrisc1541

    308 posi good on highway?

    chrisc1541, Jul 27, 2010
    Replies:
    13
    Views:
    4,999
    LARRY70GS
    Jul 27, 2010
  14. Atbb

    TH200R4 with 3.73

    Atbb, Mar 11, 2010
    Replies:
    15
    Views:
    5,019
    Atbb
    Mar 15, 2010
  15. techg8

    8.5 / 8.2 adapter u-joint ?

    techg8, May 30, 2010
    Replies:
    8
    Views:
    5,100
    monzaz
    Jun 4, 2010
  16. Andy69

    differential casting ID help

    Andy69, Mar 15, 2011
    Replies:
    6
    Views:
    5,120
    Andy69
    Mar 16, 2011
  17. jmccart

    70-72 Monte Carlo rear-same as skylark

    jmccart, Sep 7, 2005
    Replies:
    4
    Views:
    5,181
    jmccart
    Sep 9, 2005
  18. Bryon

    1962 Buick 9 3/8 rear ends

    Bryon, Mar 17, 2018 ... 2
    Replies:
    36
    Views:
    5,260
    monzaz
    Nov 25, 2023
  19. Double6skylark

    Super Turbine 300 2 speed transmission upgrade

    Double6skylark, Jul 19, 2017
    Replies:
    10
    Views:
    5,269
    Double6skylark
    Aug 7, 2017
  20. Rikzred68

    re -tightening pinion nut

    Rikzred68, Mar 25, 2009
    Replies:
    8
    Views:
    5,410
    Doug Ray
    Mar 31, 2009
  21. elagache

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

    elagache, Aug 1, 2012 ... 2 3
    Replies:
    56
    Views:
    5,441
    bufords
    Aug 15, 2012
  22. chevick

    10 bolt rear axle id.

    chevick, Jul 23, 2009
    Replies:
    6
    Views:
    5,532
    monzaz
    Jul 25, 2009
  23. Buick#455

    Convert a 10 bolt to Posi

    Buick#455, Aug 20, 2009
    Replies:
    11
    Views:
    5,647
    eagleguy
    Aug 27, 2009
  24. Airflow

    66 Riviera Driveshaft Rebuild

    Airflow, May 17, 2010
    Replies:
    17
    Views:
    5,662
    Lucy Fair
    May 24, 2011
  25. JearBear

    10 Bolt Axle Shaft Bearing Removal?

    JearBear, Feb 3, 2013
    Replies:
    11
    Views:
    5,666
    LARRY70GS
    Feb 17, 2013
  26. Iggycat2004

    71 GS 10 Bolt Rear axle end play - QUESTION

    Iggycat2004, Jun 11, 2009
    Replies:
    10
    Views:
    5,687
    CJay
    Jun 14, 2009
  27. Buick#455

    71 skylark rear end gear ratio?

    Buick#455, Jun 26, 2007
    Replies:
    9
    Views:
    5,861
    alec296
    Jul 4, 2007
  28. Gary Farmer

    GM 7.5 -is it worth it?

    Gary Farmer, Mar 11, 2013 ... 2
    Replies:
    22
    Views:
    5,924
    nekkidhillbilly
    Mar 13, 2013
  29. hobbby

    Highway speed vibration from rear end

    hobbby, Apr 29, 2015 ... 2 3
    Replies:
    52
    Views:
    5,933
    monzaz
    Aug 18, 2016
  30. shadewolf

    gears for highway driving and posi

    shadewolf, May 17, 2013 ... 2 3
    Replies:
    46
    Views:
    5,971
    shadewolf
    Jun 5, 2013
  31. FJM568

    auburn limited slip carrier i.d.

    FJM568, Apr 11, 2009
    Replies:
    16
    Views:
    6,062
    FJM568
    Apr 20, 2009
  32. tinker14bs

    How to tell difference between 8.5 and 8.2 10 bolt

    tinker14bs, Apr 21, 2009
    Replies:
    12
    Views:
    6,090
    monzaz
    Apr 23, 2009
  33. Eric68GS

    10 bolt from chevelle for 68 Buick GS

    Eric68GS, Jul 4, 2015 ... 2
    Replies:
    35
    Views:
    6,091
    monzaz
    Apr 3, 2016
  34. Airtight1975

    1972 Buick Riviera Rear Axle

    Airtight1975, Feb 6, 2017 ... 2
    Replies:
    31
    Views:
    6,197
    monzaz
    May 15, 2024 at 8:06 AM
  35. britt'sStage 1

    The Yukon Posi Unit....

    britt'sStage 1, May 25, 2007
    Replies:
    4
    Views:
    6,202
    austingta
    May 25, 2007
  36. britt'sStage 1

    Weight of an 8.5" 10 Bolt Rearend

    britt'sStage 1, Dec 8, 2009
    Replies:
    5
    Views:
    6,221
    BrianTrick
    Dec 9, 2009
  37. gsx678

    POLL; What gear are you running

    gsx678, Apr 29, 2015 ... 2
    Replies:
    26
    Views:
    6,244
    j maple
    Feb 23, 2016
  38. scubasteve455

    Getting ready to install 12 bolt

    scubasteve455, May 23, 2018 ... 6 7 8
    Replies:
    141
    Views:
    6,299
    monzaz
    Sep 3, 2018
  39. Mike Trom

    2.93 or 3.23? What to get?

    Mike Trom, Aug 18, 2007 ... 2
    Replies:
    38
    Views:
    6,396
    BQUICK
    Sep 17, 2007
  40. dip815

    Posi Rear end for a 69 skylark

    dip815, Apr 26, 2006
    Replies:
    13
    Views:
    6,400
    bigtorque5
    Nov 16, 2012
  41. 67blue_sky

    1967 Skylark rear end

    67blue_sky, Nov 9, 2009
    Replies:
    7
    Views:
    6,413
    monzaz
    Nov 10, 2009
  42. haganlee

    What cruizing RPM is good for a big block???

    haganlee, Nov 30, 2010 ... 2
    Replies:
    22
    Views:
    6,433
    Gary Bohannon
    Dec 2, 2010
  43. Ryanjbill15

    New gears and posi noise on tight turns

    Ryanjbill15, Jul 15, 2018 ... 2
    Replies:
    27
    Views:
    6,458
    UPSTAGED1970
    Jul 18, 2018
  44. yamaharx-1

    What is a 10 bolt worth?

    yamaharx-1, Nov 10, 2011 ... 2
    Replies:
    29
    Views:
    6,533
    Nothingface5384
    Apr 4, 2014
  45. MarcoD

    66 Wildcat - 9-3/8" rear end

    MarcoD, Jan 1, 2018 ... 2 3
    Replies:
    41
    Views:
    6,621
    Wild_Cat
    Aug 17, 2021
  46. Piston_Freddy

    What gears are everybody running with TH200-4R?

    Piston_Freddy, Sep 10, 2011 ... 2
    Replies:
    25
    Views:
    6,664
    knucklebusted
    Sep 20, 2011
  47. Torsdalen

    10 Bolt rear axle rebuild for my 70 GS455

    Torsdalen, Feb 26, 2017 ... 3 4 5
    Replies:
    97
    Views:
    6,680
    BrianTrick
    Jun 8, 2017
  48. stordahl

    Wrecked diff. in '70 skylark custom, going posi!

    stordahl, May 25, 2016 ... 2 3 4
    Replies:
    71
    Views:
    6,702
    monzaz
    Aug 29, 2016
  49. tt455

    going from 8.5 to 8.2 ?

    tt455, Feb 7, 2007 ... 2
    Replies:
    28
    Views:
    6,752
    tt455
    Feb 13, 2007
  50. hobbby

    10 bolt rear end exploded!

    hobbby, Oct 9, 2014 ... 2
    Replies:
    25
    Views:
    6,762
    monzaz
    May 16, 2015
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Page 58 of 59