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4.10 gears enough?

Discussion in '5 Lug' started by 05RedTaco, May 25, 2011.

  1. May 25, 2011 at 3:10 PM
    #1
    05RedTaco

    05RedTaco [OP] Nom Nom Nom

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    Tony
    Phoenix
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    2005 Tacoma 4.0L Acces Cab PreRunner
    Shortened antenna, ebay Intake, JBA long tube headers, 2nd set of cats cut out and straight piped, 14" Magnaflow muffler dumped before axle, relocated rear diff breather, Avid off road front bumper. Bilstein 5100's front and rear, OME 885x coils, Light Racing UCA's, 2" Toytec AAL, Hella 700ff lights, Falken Rocky Mountain AT/S 265/75/16 Load E 10ply, Blu Logic handsfree
    Right now I have stock 3.33 gear in the rear end and I run 31x10.5x15 tires. Its slow as shit. I am finding 3rd members at local junkyards from prerunners with 4.10 gears for around $400. Which is around the same cost as re-gearing my truck. $200 gears $200 labor. I like to go the swapping 3rd members, because I could possibly sell my stock 3rd member as well...

    According to tire size calculator my RPM right now with current gears and tires at 65mph is 2334 with 4.10 gears it would be 2898... Stock Tacoma Prerunners come with 245/75/16 tires which air hair smaller than 31's I have. So technically 4.10 gears should be perfect.

    My question is... Will 4.10 gears be enough for 31x10.5x15 tire? I am NOT planning on getting larger tires. My truck is a work truck and right now its almost too high.
     
  2. May 25, 2011 at 3:13 PM
    #2
    LBCdan

    LBCdan I got tiger blood.. WINNING

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    Dan
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    Pioneer 4000NEX , grab handle GPS mount, Bakflip tonneau, OME 885, Bilstein 5100s, Wheelers 1.5" AAL
    Let us know what you end up doing. I am looking at doing the same thing pretty soon. Good luck.
     
  3. May 25, 2011 at 3:23 PM
    #3
    bjmoose

    bjmoose Bullwinkle J. Moose

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    Steve
    San Jose CA
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    Yeah, 4.10s ought to run nice with 31" tires.
     
  4. May 25, 2011 at 3:29 PM
    #4
    allmotorrex

    allmotorrex Grove St. Motorsports

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    4.10s are perfect for 31s. Thats what tha 05+ 4cyl prerunner/4wd trucks come with and they come stock on 31s
     
  5. May 25, 2011 at 4:06 PM
    #5
    05RedTaco

    05RedTaco [OP] Nom Nom Nom

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    Shortened antenna, ebay Intake, JBA long tube headers, 2nd set of cats cut out and straight piped, 14" Magnaflow muffler dumped before axle, relocated rear diff breather, Avid off road front bumper. Bilstein 5100's front and rear, OME 885x coils, Light Racing UCA's, 2" Toytec AAL, Hella 700ff lights, Falken Rocky Mountain AT/S 265/75/16 Load E 10ply, Blu Logic handsfree
    Anything I should watch for when getting carrier from junkyard? How do I know it really has 4.10gears in it.
     
  6. May 25, 2011 at 8:10 PM
    #6
    afd23a

    afd23a Well-Known Member

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    The Dynamo of Dixie
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    gear ratio should be stamped on the edge of the ring gear

    [​IMG]
     
  7. May 25, 2011 at 8:16 PM
    #7
    bowhunter11199

    bowhunter11199 Well-Known Member

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    oh ya no problem with the 4.10 and 31's...... im running 33x12.5 on 4.10 (stock gear ratio) but it is also a manual.....
     
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