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Changing rear end

Discussion in '2nd Gen. Tacomas (2005-2015)' started by robinsonda1, Mar 27, 2008.

  1. Mar 27, 2008 at 3:54 PM
    #1
    robinsonda1

    robinsonda1 [OP] Well-Known Member

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    San Antonio TX
    Vehicle:
    2008 TRD Sport Pre-Runner v-6 auto
    Does anybody know if there is a good rear end out there for the tacoma? I have the 6 speed and was considering getting the auto particularly because the 6th gear isn't that tall and the RPMs are kind of high while cruising on the highway. I thought if I could find the right rear end it might lower them a bit and save me some $$$.
     
  2. Mar 27, 2008 at 6:34 PM
    #2
    Coreyjon

    Coreyjon Northern Alliance: Airlift Div

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    Upstate, Ny
    Vehicle:
    08 DCab 4X4 SR5 TRD Sport
    iPod Adapter, Bilstein 5100's @ 1.75" front, Wheelers 3-leaf 1.5" + overload rear (2"), custom carrier bearing drop spacers.
    No, you are right, with 4x4 if you want to change gears you would want to change both the front and rear gear sets. Otherwise when in 4X4 the tires would no rotate at the same speed, and that would be bad juju.
     
  3. Mar 27, 2008 at 7:49 PM
    #3
    Janster

    Janster Old & Forgetful

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    Jandy
    Lancaster, PA
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    2016 GMC Canyon SLT w/ LineX and....
    Not exactly sure what you're asking.... but... The differences in gearing you're talking about (auto vs manual) is within the transmission - not the differential. You can change the gears in your differential to gain more power - but that doesn't change the difference in gearing between the transmissions.

    If you're looking for more power = higher rpm's = more gas usage but better response for passing. If you're looking for less gas usage = lower rpm's = less response for passing.
    When you change the gears in the differential - it'll affect ALL gears 1st-6th.

    I have an auto - but I'm really surprised the toyota didn't gear them better for 6th gear (cruising).

    What RPM's are you getting while going 60mph ?
     
  4. Mar 27, 2008 at 7:54 PM
    #4
    Coreyjon

    Coreyjon Northern Alliance: Airlift Div

    Joined:
    Mar 21, 2008
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    Messages:
    451
    Gender:
    Male
    Upstate, Ny
    Vehicle:
    08 DCab 4X4 SR5 TRD Sport
    iPod Adapter, Bilstein 5100's @ 1.75" front, Wheelers 3-leaf 1.5" + overload rear (2"), custom carrier bearing drop spacers.
    I know what he wants to do, he wants to change the gearing in the diffs so you have a higher overall ratio so you would be driving faster in any gear at a given RPM. Just like you Rock crawlers lower the ratios to have super slow crawling action, he wants his truck set up for better fuel efficiency on the highway.
     
  5. Mar 27, 2008 at 7:58 PM
    #5
    Coreyjon

    Coreyjon Northern Alliance: Airlift Div

    Joined:
    Mar 21, 2008
    Member:
    #5434
    Messages:
    451
    Gender:
    Male
    Upstate, Ny
    Vehicle:
    08 DCab 4X4 SR5 TRD Sport
    iPod Adapter, Bilstein 5100's @ 1.75" front, Wheelers 3-leaf 1.5" + overload rear (2"), custom carrier bearing drop spacers.
    As a note though, by doing what you want, you will gain overall speed, but you will lose torque, and towing capacity.
     
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