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3:91 Gears and 33 Inch Tires

Discussion in '1st Gen. Tacomas (1995-2004)' started by Monkeysuncle, Aug 30, 2011.

  1. Aug 30, 2011 at 1:14 PM
    #1
    Monkeysuncle

    Monkeysuncle [OP] My Cat's breath Smells like Cat Food

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    I am about to bite the bullet and get my suspension up to parr, current set up is stock, but I have been looking at the complete OME set up from Wheelers, with the 881 and 1.5 inch lift. I have used the tire size calculator and see the 3.91 gears are good with the ratio I have with 31X15 inch tires, but if I go to 33's what can I really expect out of my gears with a 5 speed. I am on here all the time but and hate to post this but I am really confused on the final driveability of my truck, from what I see I might loose some highway MPG??? What happens if I go to a 16 inch wheel, like the steel rim from wheelers? Sidewall will be more stout, so can I get a smaller tire (like a 31X10.5X16) and help me out in the long run? Any help would be great. Thanks Kevin
     
  2. Aug 30, 2011 at 1:16 PM
    #2
    2000GTacoma

    2000GTacoma Well-Known Member

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    first gens have 4:10 gears stock to turn a bigger tire you need a lower gear ratio depending on how big you go
     
  3. Aug 30, 2011 at 1:20 PM
    #3
    Monkeysuncle

    Monkeysuncle [OP] My Cat's breath Smells like Cat Food

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    Mine is for sure a 3:91 checcked and re checked the sticker on the drivers door. That's why I am scratching my head. NON TRD just a 1999 4x4 extra cab SR5, in need of some springs,shocks and tires
     
  4. Aug 30, 2011 at 1:22 PM
    #4
    2000GTacoma

    2000GTacoma Well-Known Member

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    i checked mine and its 4:10 gearing and mine is a 2000 non trd just 4x4
     
  5. Aug 30, 2011 at 1:22 PM
    #5
    08pretaco

    08pretaco Almost there

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    you stick with the same gears and larger tires *in theory* you should get better freeway gas mileage because your RPM's are lower. your around town gas mileage will suffer as you will need to get into the gas pedal more to get moving. All depends on what you want the truck to do and what your end result plans are ie, wheeling, freeway driving, larger tires in the long run...what are your plans?

    I am 10% over-geared and LOVE the drive-ability of the truck now. More low end power, yes the RPM's are a bit higher on the freeway but the engines not working as hard and I still get 24 mpg.

    you move up from 15 to 16, heavier wheel (especially going to steel) and more expensive tires are what your going to get. tires arent available like you described 31x10.5x16, it would be something along the lines of 245/75/16. stick with the 15's, wish i could run them easily!
     
  6. Aug 30, 2011 at 1:24 PM
    #6
    Monkeysuncle

    Monkeysuncle [OP] My Cat's breath Smells like Cat Food

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    thanks, I haven't actually looked for the 16 inch tires yet
     
  7. Aug 30, 2011 at 1:24 PM
    #7
    97yota4wd

    97yota4wd Well-Known Member

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    i think if hes a 6 cyl he has 3.91s, 4 cylinders have 4.10s

    and what oliver said! stay with 15s:)
     
  8. Aug 30, 2011 at 1:32 PM
    #8
    2000GTacoma

    2000GTacoma Well-Known Member

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    i have a v6
     
  9. Aug 30, 2011 at 1:33 PM
    #9
    08pretaco

    08pretaco Almost there

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    i got my 4.56 from a 2000 4 cylinder :)
     
  10. Aug 30, 2011 at 1:35 PM
    #10
    97yota4wd

    97yota4wd Well-Known Member

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    weird....... and oliver that means it was after market:)
     
  11. Aug 30, 2011 at 1:36 PM
    #11
    08pretaco

    08pretaco Almost there

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    nope :D some 4 bangers came 4.56 from the factory! weird i know
     
  12. Aug 30, 2011 at 1:37 PM
    #12
    97yota4wd

    97yota4wd Well-Known Member

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    have proof of this????

    im 99.8 percent positive thats not true lol. unless it was traded in with the 4.56s
     
  13. Aug 30, 2011 at 1:38 PM
    #13
    08pretaco

    08pretaco Almost there

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    ill find the proof again, give me a bit..im in class
     
  14. Aug 30, 2011 at 1:42 PM
    #14
    97yota4wd

    97yota4wd Well-Known Member

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  15. Aug 30, 2011 at 1:47 PM
    #15
    jberry813

    jberry813 The Mad Scientist

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    ...too much shit to list.
    I hated driving my truck with 33's and the stock 4.10's, and I have a supercharger. Quite honestly regearing to 4.56 was one of the best mods I've done to my truck (and I've done a lot).
     
  16. Aug 30, 2011 at 1:50 PM
    #16
    08pretaco

    08pretaco Almost there

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    http://forum.ih8mud.com/95-gen-toyota-trucks/199061-tacoma-gearing-question.html

    obviously i do not have the guys vin number


    http://www.tacomaterritory.com/forum/showthread.php?p=2182499


    "Most Toys sold in the US have 4.10 axle gearing, but this isn't always the case. Four cylinder models with auto trannies often have 4.30 gearing, (4.87 if they came factory-equipped with 31" tires). All V6's with 31" tires and 4-cylinder manuals with 31" tires usually had 4.56 gears. And still others have been changed by their owners, to move oversized tires."
    From: http://www.off-road.com/trucks-4x4/tech/toyota-differential-identification-18588.html

    "Any U.S. sold that came with 4.56 or 4.88 gears came stock with 31x10.5-15 tires or
    265/70R-16 tires."
    From: http://www.brian894x4.com/Gearratiosanddiffs.html

    " In 1995, Tacomas with 31s got the following gears, 4.10 for V-6 and 4 cylinder manual transmissions and for V-6 automatics. 4 cylinder automatics got 4.56 gears."
    From: http://www.brian894x4.com/Toyotapickup4Runnermodels.html

    Need any more proof? I am tired of looking
     
  17. Aug 30, 2011 at 1:52 PM
    #17
    97yota4wd

    97yota4wd Well-Known Member

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    lol i agreed i was wrong 10 min ago:D
     
  18. Aug 30, 2011 at 1:53 PM
    #18
    08pretaco

    08pretaco Almost there

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    ya sorry just noticed that, too busy researching lol :)

    Suprised the hell out of me also!
     
  19. Aug 30, 2011 at 1:54 PM
    #19
    97yota4wd

    97yota4wd Well-Known Member

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    i wish my truck came with 4.56s stock...:(
     
  20. Oct 3, 2013 at 2:01 PM
    #20
    motostar00

    motostar00 Grind it till ya find it

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    Some 2000 model tacomas had 3.90s in them. Mine did but I regeared to 4.56 and it makes a huge difference
     
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