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3.5 rear end

Discussion in '1st Gen. Tacomas (1995-2004)' started by mudjunkie, Oct 15, 2008.

  1. Oct 15, 2008 at 9:48 PM
    #1
    mudjunkie

    mudjunkie [OP] Well-Known Member

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    RZN161L-TRMDKAB 3.583 what does this 3.583 mean i am sure it is my rear end gearing what exactly does it mean
     
  2. Oct 15, 2008 at 9:54 PM
    #2
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    well, if im understanding correctly, then you want to know what 3.58 gearing means for you...
    basically the pinion gear(input) has to spin 3.58 times to spin the ring grear once, so the driveshaft will spin 3.58 times more than the tires do.
    A 3.58 is a 'tall' (numerically low) gearing so it will yield you good fuel economy from letting the engine run at a lower RPM while cruising the highway or freeway.
    hope this is what you were looking for.....
     
  3. Oct 15, 2008 at 10:02 PM
    #3
    mudjunkie

    mudjunkie [OP] Well-Known Member

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    thanks now my truck is 4 wheel drve and i would like to put biger tires on it 32 or 33 but will i have to regear it and is this gearing considered weak
     
  4. Oct 15, 2008 at 10:05 PM
    #4
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    actually, this is a strong gear set. the lower the gearing(numerically higher like 5.29) is actually weaker because the pinion gear gets smaller and the teeth are also smaller on the gearset since there are more of them on the ring and the pinion gear got smaller. i'd say that with the 4cyl and 32 or 33's a set of 4.10 gears would probably be a good match.
     
  5. Oct 15, 2008 at 11:40 PM
    #5
    mudjunkie

    mudjunkie [OP] Well-Known Member

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    thanks for the good info i get confused with this gearing stuff
     
  6. Oct 16, 2008 at 6:00 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Generally the gears arnt weaker until around 5.29's or more. Event though the pinion may be a little smaller, more teeth can engauge the ring gear at any given time, thus giveing an increase in the strenghth. The weak link is not always the size, but the teeth. For example, a Toyota 29 spline shaft is the same size as a Toyota 31 spline shaft, but the 31 spline shaft is stronger because there is more contact surface area, by haveing more teeth.
     
  7. Oct 16, 2008 at 6:59 AM
    #7
    LonghornTaco

    LonghornTaco Can you pass the bailout please?

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    I have never taken the time to research this to find out what all the "gearing" stuff means, but always wondered.

    Thanks for the info. It makes COMPLETE sense!

    As far as oversized tires go, your speedo gets all jacked up. Is having that recalibrated the same thing as "re-gearing"? Do you have to change your gearing ratio to correct the speedometer for the larger tires?
     
  8. Oct 16, 2008 at 10:11 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You can change the gearing to correct the speedo, but, since the speedo is electric, many times using an speedo calibrator is just as effective.
     
  9. Oct 18, 2008 at 7:44 PM
    #9
    350TacoZilla

    350TacoZilla Well-Known Member

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    electric speedo on a 1st gen.... what you talkin bout willis
     
  10. Oct 18, 2008 at 10:42 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Ooopsie....I thought it was an '06....:eek:
     
  11. Oct 19, 2008 at 7:51 AM
    #11
    350TacoZilla

    350TacoZilla Well-Known Member

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    ha ha its ok I just had to catch you on it... but since molly is so cute I'll let it go this time
     
  12. Oct 19, 2008 at 8:03 AM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    LOL, Thanks, Buddy. :D
    I think she is getting tired of bailing me out. :)
     
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