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Re-geared, What a difference!

Discussion in '4 Cylinder' started by 08pretaco, Feb 21, 2011.

  1. Mar 2, 2011 at 8:02 AM
    #61
    afd23a

    afd23a Well-Known Member

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    I'd also like to report that I confirmed this morning that my ODO and speedo are both tied to the sensor in the transmission. Unplugged it and drove about 2 miles with no change in speedometer, odometer, or the trip A or B counters.

    There are also ABS sensors at each wheel but based on my findings above I do not think they affect the speedo or odo.
     
  2. Mar 17, 2011 at 8:52 PM
    #62
    08pretaco

    08pretaco [OP] Almost there

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    So would this be a good way to calculate mpg?

    Take old gears divided by new gears: 4.10/4.56 = .899

    Tire calculator tells me im 8.5% larger so that equals 1.085.

    take the .899 add .085 and you get .984

    .984 should be what I multiply my miles by then divide the gallons correct?
     
  3. Mar 18, 2011 at 8:37 AM
    #63
    TacoDaTugBoat

    TacoDaTugBoat Well-Known Member

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    Not to add to the confusion,...
    but I think you would multiply the 1.085 by .899 to get .975415 not add the ratios. Just a thought.
     
  4. Apr 3, 2012 at 5:09 PM
    #64
    YukonLT

    YukonLT Well-Known Member

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    Is this for front and rear? I'm gonna be lifting my 4 banger soon and am trying to hone in on what my total cost is going to be for lift, tires, rims, and regear...

    Sorry for reviving such an old thread...
     
  5. Apr 3, 2012 at 8:32 PM
    #65
    08pretaco

    08pretaco [OP] Almost there

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    that price is for the front only

    it would probably be about 1200 front and rear with parts
     
  6. Apr 3, 2012 at 10:19 PM
    #66
    bjmoose

    bjmoose Bullwinkle J. Moose

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    That's low unless you're getting a really good price on labor, or pulling the third members yourself and having it done as a bench job.
     
  7. Apr 4, 2012 at 1:47 AM
    #67
    Tepidy

    Tepidy Well-Known Member

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    4.56 gears FTW. I did it on my truck and wow what a difference. My speedo is off 7mph at highway speeds and my odo is off 5.7 miles per every 100 miles. I'm running 265-75-16's. Cost was right around $1700 said and done ( front and rear)
     
  8. Apr 4, 2012 at 4:16 AM
    #68
    YukonLT

    YukonLT Well-Known Member

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    Why would you only regear one differential?
     
  9. Apr 4, 2012 at 7:16 AM
    #69
    08pretaco

    08pretaco [OP] Almost there

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    because i am 2 wheel drive :p
     
  10. Apr 4, 2012 at 7:18 AM
    #70
    08pretaco

    08pretaco [OP] Almost there

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    sorry yes thats what I was referring to, doing it yourself.

    it would cost closer to the mentioned above, 1500-1700 front and rear
     
  11. Apr 4, 2012 at 7:37 AM
    #71
    Swanson52

    Swanson52 Well-Known Member

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    It's confusing because you said you re-geared the front.
     
  12. Apr 4, 2012 at 8:06 AM
    #72
    08pretaco

    08pretaco [OP] Almost there

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    Mispoke, meant rear
     
  13. Apr 4, 2012 at 9:12 AM
    #73
    YukonLT

    YukonLT Well-Known Member

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    You have a front wheel drive Tacoma? lol
     
  14. Apr 4, 2012 at 9:13 AM
    #74
    YukonLT

    YukonLT Well-Known Member

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    Ahh, I posted before I saw this. I gotcha :)
     
  15. Apr 4, 2012 at 10:10 AM
    #75
    08pretaco

    08pretaco [OP] Almost there

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    Mines a very rare breed :thumbsup:
     
  16. Apr 4, 2012 at 10:20 AM
    #76
    Zombie Runner

    Zombie Runner Are these black helicopters for me?

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    5.7 miles adds up after a while!
    did you account for the bigger tires in that as well?
     
  17. Apr 4, 2012 at 4:29 PM
    #77
    Tepidy

    Tepidy Well-Known Member

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    What I did was set my gps and the trip meter on the gps as well. Went on a 300 mile trip so I documented the readout on the gps as far as speed goes and then compared the trip mileage with what my odo said.
    Note: I corrected my original post. I stated 5.7 mph per 100 miles when I meant to state 5.7 miles per 100 miles
     
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