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Thunder's 04 Ext Cab Derp Edition

Discussion in '1st Gen. Builds (1995-2004)' started by ThunderOne, Jun 1, 2015.

  1. Nov 8, 2019 at 11:26 AM
    #321
    ThunderOne

    ThunderOne [OP] Average Contributor

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    Yes, I do too much highway driving to get 4.88s. I was talking on the CB with some 2nd gen guys on the way back from a wheeling trip, some had 4.88s and one guy had 4.56s. The 4.56 guy and me were getting better highway MPG than the 4.88 guys. I doubt the 4.88s would make up for that in city driving. The 4.56 is still slightly over geared over stock, so if you add in some weight and aero, you're roughly back to stock-ish
     
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  2. Nov 8, 2019 at 11:55 AM
    #322
    nagorb

    nagorb Should be a dang perma mod

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    Awesome thanks. I don't do much highway driving, mostly when going on camping trips, I'm usually loaded to the max on those. Sounds like 4.56 will work for me as well.
     
  3. Nov 8, 2019 at 12:31 PM
    #323
    Dave41079

    Dave41079 Words go here.

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    4.88 is WAY better off-road though, for what it's worth.
     
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  4. Nov 8, 2019 at 12:46 PM
    #324
    Justinogo

    Justinogo Well-Known Member

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    But crawl box..
     
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  5. Nov 8, 2019 at 2:40 PM
    #325
    nagorb

    nagorb Should be a dang perma mod

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    Sounds like the trade off for how driving isn't worth it.

    Yes!
     
  6. Nov 10, 2019 at 6:38 AM
    #326
    Snowy

    Snowy Is neither here nor there

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    Axle gears are pretty insignificant once you add a crawlbox. Just 4.7 gears are an 80% gear reduction over stock compared to a 7% difference in 4.56 vs 4.88. Put it in double low and then it really doesn’t matter. :)
     
  7. Nov 13, 2019 at 6:23 PM
    #327
    ThunderOne

    ThunderOne [OP] Average Contributor

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    Not entirely sure how I feel about this mod, considering exactly zero of the ring terminals fit and I had to drill them out.
    Also the boot didn't work at all so I had to hack it up too. Lots of hacking going on here.

    7AA0CD17-3778-413A-A38A-1D42AAAE5655.jpg
    02D9AE33-B75E-4E6E-95B1-6F95FF943054.jpg
     
  8. Nov 19, 2019 at 11:28 PM
    #328
    slander

    slander Well-Known Member

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    Just do the 4.88s, it's nice to be able to accelerate in the gear and the gas milage difference will be negligible.
     
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  9. Nov 20, 2019 at 6:42 AM
    #329
    ThunderOne

    ThunderOne [OP] Average Contributor

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    Little late now haha
     
  10. Nov 20, 2019 at 4:13 PM
    #330
    ThunderOne

    ThunderOne [OP] Average Contributor

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    @turbodb any idea why this got all fucky? I just took this out to swap to 32 tooth, needless to say it wasn't happy and also appear to have taken some pieces of something else with it. Feels like plastic pieces. Speedo still worked during that time.
    Perhaps swapping the speedo gear without also swapping whatever it runs up against is not a smart idea?
    8B0274D3-7F6C-404B-B291-CB8456FD2EC4.jpg
     
    Last edited: Nov 20, 2019
  11. Nov 20, 2019 at 4:52 PM
    #331
    turbodb

    turbodb Well-Known Member

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    Hmm, never seen that before - how long has it been in there?

    Looks to me like the plastic has been "worn down" over time on the far end (the end furthest inside the t-case). Maybe that's just from gunk in your t-case getting sucked up between the intermeshing gears over the years and wearing down the plastic? :notsure:

    In any case, what I would likely do - since you said it was still working correctly - is put in the new gear and change the oil in the t-case. Then, in a year, take the 32-tooth one out again and see if it too shows weird wear. If it does, then something weird is going on and you get to decide whether to address or ignore it. If not, then you chalk it up to...:tinfoilhat:.
     
  12. Nov 20, 2019 at 5:56 PM
    #332
    ThunderOne

    ThunderOne [OP] Average Contributor

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    that's the 33 tooth gear you're looking at, has less than a tank of gas through it.. it was not very easy to put in and required more tapping it in than I cared to admit. The 30 tooth gear that I removed with 190k miles on it still looked perfect. That being said, the 32 tooth gear that I just put in went in MUCH easier, so I am hoping all is well with it. We will see!
     
  13. Nov 20, 2019 at 6:02 PM
    #333
    turbodb

    turbodb Well-Known Member

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    Oooof, one tank. :eek:

    Sounds to me like it was either mis-aligned or not the right gear (part #). My 33-tooth went in like it sounds like your 32-tooth did - easy. Hope the 32 works out for ya! Keep us posted.
     
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  14. Nov 20, 2019 at 9:10 PM
    #334
    ThunderOne

    ThunderOne [OP] Average Contributor

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    Fingers crossed!
     
  15. Dec 2, 2019 at 8:36 AM
    #335
    ThunderOne

    ThunderOne [OP] Average Contributor

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    cam bolts for my alignment finally seized up, looks like a bushing replacement is due soon.

    Putting this here for future reference:
    https://www.tacomaworld.com/threads/lca-tips.479978/#post-14617055

    @turbodb Also it looks like the 32 tooth speedo gear is almost perfect, it reads maybe .7mph faster on my speedo around 70 mph, what's really funny is my odometer is still about 3% slow compared to my GPS speed/mileage app.
     
    Last edited: Dec 2, 2019 at 9:12 AM
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  16. Dec 2, 2019 at 2:07 PM
    #336
    Dave41079

    Dave41079 Words go here.

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    Pretty sure DOT regulations say a speedometer has to be within +/- 5% of actual. My 4runner read fast on stock tires.
     
  17. Dec 2, 2019 at 2:11 PM
    #337
    ThunderOne

    ThunderOne [OP] Average Contributor

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    yeah, they will get in trouble if the speedo reads slow compared to actual. My motorcycle (as are many others) are horrendously inaccurate and reads 10% faster than actual. I have just been messing with different tooth gears after larger tires and regearing. Just funny that the odometer doesn't line up with it.
     
  18. Dec 3, 2019 at 2:59 PM
    #338
    ThunderOne

    ThunderOne [OP] Average Contributor

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    Well my winch works.

    1D69D09B-19F7-460A-80BA-98981BAC0AA7.jpg

    And yeah I figured out that tying the tree saver that way wasn't the most efficient way to rip a tree out of the ground haha
     
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  19. Dec 3, 2019 at 3:19 PM
    #339
    turbodb

    turbodb Well-Known Member

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    Love that. Reminds me of this...

    [​IMG]
    I found out today that the truck loves landscaping. That is all.
     
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  20. Dec 4, 2019 at 1:38 PM
    #340
    Snowy

    Snowy Is neither here nor there

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    Oddly enough the DOT or FMCSA doesn't specify a percent range for speedometers. They just have to be within 5mph at 50mph. Obviously works out to 10% but still interesting verbiage to the rule. Also why you can pretty much always get a 1-5 over ticket thrown out immediately and why they don't count on your license.
     
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