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4.10 gears and 33's

Discussion in 'Performance and Tuning' started by Volcom21, Feb 17, 2012.

  1. Feb 17, 2012 at 12:46 PM
    #1
    Volcom21

    Volcom21 [OP] Member

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    I was told if i went with 4.10 gears with 33's that my top speed would be 85 mph. Is that true? Thanks
     
  2. Feb 17, 2012 at 12:53 PM
    #2
    tc98tacoma

    tc98tacoma Well-Known Member

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    False , whoever said that was definitely wrong,if you only had three gears yeah that would your top speed
     
  3. Feb 17, 2012 at 12:57 PM
    #3
    MadToy

    MadToy Well-Known Member

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    Theoretically you could hit 184 mph in 5th gear.

    Might need a little more motor though......


    [​IMG]
     
  4. Feb 17, 2012 at 1:23 PM
    #4
    Volcom21

    Volcom21 [OP] Member

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    So basically i would just get the power back as if i was stock and maybe a little better mpg? And my rpm's would just be a little higher on the freeway? thanks
     
  5. Feb 17, 2012 at 1:29 PM
    #5
    Trifenix

    Trifenix Well-Known Member

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    Your mpg will never be the same as stock. It will just be closer. You don't gain power, just a little of what you lost
     
  6. Feb 17, 2012 at 1:38 PM
    #6
    MadToy

    MadToy Well-Known Member

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    Yep. You get your gearing back close to stock - but you're still pushing more rotating weight, with a bigger contact patch.
     
  7. Feb 17, 2012 at 2:18 PM
    #7
    commando

    commando Well-Known Member

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    Dude, i just put 4:10's in my 2006 4.0L DC (with 33's) and it is freaking awesome.


    DO IT!

    Top speed 85???:crazy::crazy:
     
  8. Feb 17, 2012 at 3:19 PM
    #8
    Volcom21

    Volcom21 [OP] Member

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    Yeah idk thats the what shop said and it didnt seem right
     
  9. Feb 17, 2012 at 6:57 PM
    #9
    Cortland

    Cortland THIS IS AMERICA!!!

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    I have 4.10's waiting to be installed. How much did it help your MPGs?
     
  10. Feb 17, 2012 at 7:02 PM
    #10
    hard2kill

    hard2kill Well-Known Member

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    U should kick the person who told you that square in the nutz!!!! 4.10 are perfect with 33's will drive just like it was stock ....4.56's will make it "feel" like it has more power but you would be revving to high at 65mph an would kill ur mpg's
     
  11. Feb 17, 2012 at 8:11 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    FWIW, WHen I regeared my Dodge ( I know, different vehicle, etc.), after larger tires, Stock MPG was 12, after the larger tires, and re gear to 4:10s MPG went to 14. RPM's went from 1600 @ 60 mph, to 1850 @ 60. @ 70, I was around 2200 to 2300 rpm.

    4.10's with 33's would make the truck just a tad "over geared" as opposed to stock. MPG should be about the same, and in town, a little better.
     
  12. Feb 17, 2012 at 8:53 PM
    #12
    worthywads

    worthywads Well-Known Member

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    Regearing does not improve mpg, it just makes your odometer accurate again.
     
  13. Feb 17, 2012 at 8:56 PM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    It improved my MPG. On my Dodge, the speedo, and ODO work off the wheel speed sensors, and are unaffected by gearing changes. The only thing I had to re calculate was tire size, and factor that into the millage.

    Edit: To add, every gas vehicle I have re geard, has shown an improvement in MPG, if larger tires were also installed.
     
  14. Feb 17, 2012 at 8:57 PM
    #14
    tacobo670

    tacobo670 if you have to ask, u can't afford it

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    so, u'd just be at a higher rpm to maintain speed? i currently run very close to 3k RPM doing 80MPH. so if i geared to 4.10's, i'd be running higher rpm's at same 80MPH -is this correct?
     
  15. Feb 17, 2012 at 8:58 PM
    #15
    chadderkdawg

    chadderkdawg Don't ask questions you don't want the answer to..

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    False, odometer is completely unrelated bro
     
  16. Feb 17, 2012 at 8:58 PM
    #16
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    yes.
     
  17. Feb 17, 2012 at 8:59 PM
    #17
    worthywads

    worthywads Well-Known Member

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    Yep. so your mpg will go down.
     
  18. Feb 17, 2012 at 8:59 PM
    #18
    tacobo670

    tacobo670 if you have to ask, u can't afford it

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    so logics suggests ... higher RPM = more gas consumed = less MPG?
     
  19. Feb 17, 2012 at 9:00 PM
    #19
    tacobo670

    tacobo670 if you have to ask, u can't afford it

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    got it. ok. thanks. i was thinking of regearing but since my pmg already sucks as it is, n i would have to get front n rear assy's i think i'll pass.
     
  20. Feb 17, 2012 at 9:01 PM
    #20
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    With 33" tires, a manual tranny in 6th gear, and 4.10 gears, my calculations of a 70 mph speed give an RPM of about 2500.
     
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