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Cant figure out exactly what gearing i have in my diff, some help would be awesome!

Discussion in '1st Gen. Tacomas (1995-2004)' started by John Cheong, Feb 17, 2012.

  1. Feb 17, 2012 at 8:15 PM
    #1
    John Cheong

    John Cheong [OP] Active Member

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    ok i have a 2001 tacoma TRD prerunner with an electric locking diff. the axle code is B03A. ive been looking around and ive come up with a bunch of different answers...4.10,4.56, 3.55. i have no idea for what the gearing is with the e-locker. lemme get your advice!:D
     
  2. Mar 11, 2012 at 1:42 PM
    #2
    tacopyro

    tacopyro Forever learning...

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    i only have a possible answer to your gear ratio. i have the same diff code. and i think its a 4.1

    check this link: http://goo.gl/qbiuO

    CK
     
  3. Mar 11, 2012 at 1:53 PM
    #3
    valon5150

    valon5150 Well-Known Member

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    More then likely 4.10
     
  4. Mar 11, 2012 at 2:01 PM
    #4
    MapleMoose

    MapleMoose Drunk Canadian

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    Same as mine B03A. 4:10 gears
     
  5. Mar 12, 2012 at 6:52 AM
    #5
    wesrunner

    wesrunner Gang Gang

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    a buncha fuckin toyotas
    Me too! :D
     
  6. Mar 13, 2012 at 6:20 PM
    #6
    tacopyro

    tacopyro Forever learning...

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  7. Mar 13, 2012 at 6:43 PM
    #7
    Snowman

    Snowman I have a problem for your solution…

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    There arent any factory e-lockers with 4.56. So you can eliminate that possibility.
     
  8. Mar 13, 2012 at 7:29 PM
    #8
    bellassaiw10

    bellassaiw10 Formally afroman5015

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    A = 7.5" ring gear
    B = 8" ring gear
    Next two digits:
    01 = 3:42
    02 = 3:58
    03 = 4:10
    04 = 4:56
    05 = 3:15
    06 = 3:91
    07 = 4.30
    Last digit:
    A = 2 Pinion, Open
    B = 4 Pinion, Open
    C = 2 Pinion OEM Limited Slip
     
  9. Mar 14, 2012 at 10:29 AM
    #9
    iDrew

    iDrew I spend too much on vehicles...

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    Looks like I have myself some factory 4.56 gears. Is that a good thing?
     
  10. Mar 14, 2012 at 11:24 AM
    #10
    Snowman

    Snowman I have a problem for your solution…

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    I think most, if not all, 4cyl autos had 4.56. Something to do with the automatic having taller gears than the manual. :confused: Something like that. So basically if we had 4.10 or 3.xx whatever we would be revving way to high at highway speeds. But dont quote me. haha
     
  11. Mar 18, 2012 at 6:19 AM
    #11
    RAT PRODUCTS

    RAT PRODUCTS Well-Known Member

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    You would be revving way lower and have no power. 3.73 or so would save you gas but the truck would be a dog.
     
  12. Mar 18, 2012 at 8:43 AM
    #12
    Snowman

    Snowman I have a problem for your solution…

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    I said dont quote me. hahaha
     
  13. Mar 18, 2012 at 8:52 AM
    #13
    RAT PRODUCTS

    RAT PRODUCTS Well-Known Member

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    Just adding to your driveretain knowledge.
     
  14. Mar 18, 2012 at 7:04 PM
    #14
    Snowman

    Snowman I have a problem for your solution…

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    haha
    I knew the reason for the 4cyl autos have 4.56 was something like that.
    Ill put it in the brain for later use. haha
     

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