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I think I hate my 4.10 gears, what to do?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by urban, Dec 29, 2017.

Page 4 of 7
  1. Jan 2, 2018 at 9:10 PM
    #61
    Kyitty

    #61
    Kyitty Mr. Beard

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    See Build Page
    I don't have 17s though:(
     
    Kyitty, Jan 2, 2018
    #61
    Casper66[QUOTED] likes this.
  2. Jan 2, 2018 at 9:26 PM
    #62
    Lostsheep

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    Lostsheep Well-Known Member

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    6112s and 5160 , Dakars , Superbumps x4 , u-bolt flip , All Pro Skids (hacked and raised) , 265/70R17 KO2s, SEMA wheels, couple of machined things here and there

    I’m gonna be in about a grand for my 4.10’s. ECGS for the rear E Locker 3rd and ebay for the 4 banger front.
     
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    Lostsheep, Jan 2, 2018
    #62
  3. Jan 2, 2018 at 10:21 PM
    #63
    Pigpen

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    Pigpen My truck is never clean

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    I need to stop reading these threads

    :lalala:
     
    Pigpen, Jan 2, 2018
    #63
  4. Jan 3, 2018 at 2:13 AM
    #64
    urban

    #64
    urban [OP] Well-Known Member

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    305/65r17's on 17x9.5 Rotiforms Cab mount chop 4.10 gears Detroit true track OME 885's Dakars Camburg UCA's Undercover SE Weathertech liners and visors Black headlight mod Debadged Rock Blokz mudflapps (oversized)
    Not right now XD
     
    urban, Jan 3, 2018
    #64
  5. Jan 3, 2018 at 4:00 AM
    #65
    Casper66

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    Casper66 grumpy ass

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    Ha Getcha some
     
    Casper66, Jan 3, 2018
    #65
  6. Jan 3, 2018 at 10:23 AM
    #66
    Captainskidmark

    #66
    Captainskidmark Well-Known Member

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    2015 4X4 TRD SPORT DCLB ~ Black
    ECGS 4.56 gears with Detroit True Trac in the rear. Camburg Ball Joint UCAs Dirt King LCA Dobinson IMS rear shocks Dobinson IMS w/ 352 coils DAKAR EL096 HD LEAFS AR172 17"x8" BAJA RIMS (5 wheel/tire rotation) GX470 Front Brake Upgrade SS extended brake lines Front and Rear (Toytec) 285/70/17 BFG A/T Toyota Roof Rack over Cab A.R.E. Z series CAP with Rhino Rack rooftop rails , -RED/WHITE LED BED LIGHTING -12V AUX POWER AND USB MAGNAFLOW CAT BACK RAAMmat Sound Abatement Pioneer AVH-2440NEX w/ Android Auto + Morel Speakers 120 VAC Block Heater Pelfreybilt Front/Mid Skids ATH Bed Braces ATH FRONT BUMPER - FULL LOOP BAJA DESIGNS FOGS HERETIC 20" LIGHT BAR ATH REAR BUMPER - STANDARD RIGID FLUSH MOUNT REVERSE LIGHTS Weathertech floor mats Rear Diff Breather Mod Wheeler's Super Bumps + Ubolt Flip Kit ABS Kill Switch Mod Northstar AGM Battery Pedal Commander Desert Does It Seat Spacers
    So.... I have been reading....and reading..... I currently have 265/70-17s with Cooper Disc STT Pro and according to an equation I found on the internet, this must be true....
    Current gear ratio = 3.73
    OEM Tire Diam (265/65-17)= 30.56"
    Cooper Disc STT Pro diam (265/70-17)= 31.93"
    Target gear Ratio = 3.73 *(31.93"/30.56") = 3.90
    Tire weight = 54lbs
    Overall I notice the truck is a bit more sluggish than when i had my 265/70-17 BFG A/T KOs (diam =31.7" & weight = 46lbs)..... I have the AT and pretty much leave it in 4 for "city" driving, and only put it in D on the highway...

    was thinking for my next round of tires I may go up to 285/70-17 .....
    Current gear ratio = 3.73
    OEM Tire Diam (265/65-17)= 30.56"
    Cooper Disc STT Pro diam =(285/70-17)= 33.03"
    Target gear Ratio = 3.73 *(33.03"/30.56") = 4.03
    Was thinking of going to 4.10 gearing when I do this...... does this figuring look reasonable? I don't mind that my figuring falls a bit shy of 4.10, I would rather have a little more torque....
     
    Captainskidmark, Jan 3, 2018
    #66
  7. Jan 3, 2018 at 10:30 AM
    #67
    Pigpen

    #67
    Pigpen My truck is never clean

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    Is a little more torque worth the money for your uses? I could really use a little more torque with all of the hauling and towing I do, but can't yet justify the expense.
     
    Pigpen, Jan 3, 2018
    #67
    Casper66 likes this.
  8. Jan 3, 2018 at 2:44 PM
    #68
    Lostsheep

    #68
    Lostsheep Well-Known Member

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    Your math is correct but that only accounts for increased diameter and neglects the increased rotational inertia of the larger tires. Rotational inertia will vary with the square of the radius; in this case a rough estimate of the increase in rotational inertia would be about 15% despite only changing your diameter by aprox 8%. (Simplified assuming tires are a hoop which is not correct but would be the worst case scenario)
     
    Lostsheep, Jan 3, 2018
    #68
    Captainskidmark[QUOTED] likes this.
  9. Jan 3, 2018 at 3:19 PM
    #69
    inesshell

    #69
    inesshell blah blah blah

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    im a little over 100# a corner, having 4.88s took a lot of stress off the engine and drivelines.
     
    inesshell, Jan 3, 2018
    #69
    Casper66[QUOTED] likes this.
  10. Jan 3, 2018 at 3:31 PM
    #70
    Casper66

    #70
    Casper66 grumpy ass

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    You already bumped to 35's also though didn't you
     
    Casper66, Jan 3, 2018
    #70
  11. Jan 3, 2018 at 3:31 PM
    #71
    doubletap

    #71
    doubletap Well-Known Member

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    Just wondering if updating your ECU with OVtuned will help with your power loss and gear shift points.
     
    doubletap, Jan 3, 2018
    #71
    Casper66 likes this.
  12. Jan 3, 2018 at 3:36 PM
    #72
    Casper66

    #72
    Casper66 grumpy ass

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    I don't think so my gears shift when i tell them to
     
    Casper66, Jan 3, 2018
    #72
    dtaco06, urban[OP] and Pigpen like this.
  13. Jan 3, 2018 at 3:44 PM
    #73
    urban

    #73
    urban [OP] Well-Known Member

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    12 DCLB sport OME lift
    305/65r17's on 17x9.5 Rotiforms Cab mount chop 4.10 gears Detroit true track OME 885's Dakars Camburg UCA's Undercover SE Weathertech liners and visors Black headlight mod Debadged Rock Blokz mudflapps (oversized)
    ...Jelly
     
    urban, Jan 3, 2018
    #73
    dtaco06 and Casper66[QUOTED] like this.
  14. Jan 3, 2018 at 3:47 PM
    #74
    Casper66

    #74
    Casper66 grumpy ass

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    I was skeptical at first but i really like it especially with the short throw shifter
     
    Casper66, Jan 3, 2018
    #74
  15. Jan 3, 2018 at 4:24 PM
    #75
    urban

    #75
    urban [OP] Well-Known Member

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    12 DCLB sport OME lift
    305/65r17's on 17x9.5 Rotiforms Cab mount chop 4.10 gears Detroit true track OME 885's Dakars Camburg UCA's Undercover SE Weathertech liners and visors Black headlight mod Debadged Rock Blokz mudflapps (oversized)
    Yea i tested one and don't remember it feeling so great but ya know it was only a few minutes. I really wanted dclb anyways : /
     
    urban, Jan 3, 2018
    #75
  16. Jan 3, 2018 at 4:25 PM
    #76
    Casper66

    #76
    Casper66 grumpy ass

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    Can't get a DCLB with MT?
     
    Casper66, Jan 3, 2018
    #76
  17. Jan 3, 2018 at 4:29 PM
    #77
    urban

    #77
    urban [OP] Well-Known Member

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    305/65r17's on 17x9.5 Rotiforms Cab mount chop 4.10 gears Detroit true track OME 885's Dakars Camburg UCA's Undercover SE Weathertech liners and visors Black headlight mod Debadged Rock Blokz mudflapps (oversized)
    Yup
     
    urban, Jan 3, 2018
    #77
    Casper66[QUOTED] likes this.
  18. Jan 3, 2018 at 4:31 PM
    #78
    Casper66

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    Casper66 grumpy ass

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    Yup you can or yup you can't?
     
    Casper66, Jan 3, 2018
    #78
  19. Jan 3, 2018 at 4:43 PM
    #79
    urban

    #79
    urban [OP] Well-Known Member

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    305/65r17's on 17x9.5 Rotiforms Cab mount chop 4.10 gears Detroit true track OME 885's Dakars Camburg UCA's Undercover SE Weathertech liners and visors Black headlight mod Debadged Rock Blokz mudflapps (oversized)
    No dclb manual geart box.
     
    urban, Jan 3, 2018
    #79
    Casper66 likes this.
  20. Jan 3, 2018 at 4:46 PM
    #80
    Pigpen

    #80
    Pigpen My truck is never clean

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    Access cab with child seat in the back, yellow wire mod, diff breather relocated to tail light, engine block heater, Leer topper with Yakima tracks and rack, Yakima rack on cab, Ride Rite air bags with Daystar cradles, CBI hidden front hitch, wired for winch front and rear Warn quick connect, Warn x8000i on external carrier, sway bar delete, trailer plug relocated to under bumper, Pelfreybilt IFS and Mid skids, BAMF Tcase skid, ECGS front diff bushing, ARB CKMA12 compressor, 255/85/16 Backcountry MT 3 load E tires on stock steel rims, Toyo M55 tires (same size) on another set of stock steelies, Up2NoGood heated mirror kit, Husky X-act Contour front floor liners, Northstar AGM 24F battery under the hood, Northstar 27F in the cab, Redarc 25 amp DC to DC charger, Pelfreybilt bolt on sliders with kickout and top plates, TRD Pro headlights, Depo smoked tail lights, Energy suspension body mount bushing kit, OME Dakar leaf packs with AAL, OME rear shocks, OME 90021 front shocks with 885 coils, SPC LR UCAs, Up2NoGood 2wd low range mod, 4 Wheel Campers Grandby slide in camper, 4xinnovations high clearance rear bumper, Uniclutch 800 lb/ft clutch
    Double cabs are for guys who can't pull out on time
     
    Pigpen, Jan 3, 2018
    #80
    Captainskidmark and Casper66 like this.
Page 4 of 7

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