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4.88 gears with 32's

Discussion in '4 Cylinder' started by trailertrashman, Sep 6, 2012.

  1. Sep 6, 2012 at 10:22 AM
    #1
    trailertrashman

    trailertrashman [OP] Member

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    Should have come from the factory like this. Granted tires are 265/75/16 Hankook all terrain that are big enough for 1 ton truck. Can pass in fifth gear now. Did this to pull truck camper on trailer (weighs 3500) I have, will hold in forth gear 65mph instead of 55mph. Does struggle to pull at 70 mph. No change in gas mileage, after correcting for gear change. Truck is 2010 4x4 single cab with Century topper on back. Setup with trailer hitches on both ends and wiring for winch. Bad part is in fifth gear by 30 mph, makes for fair amount of shifting,(shifts like old low gear farm truck) but since I live in Houston and 95% mileage is in city. Have not take it wheeling yet, but seems much slower (I used 2 lo to park in building everyday). Will cruise at 75mph (think round 3000 rpm) with little effort (very easy to get ticket, (limit here in Houston 65 on freeway)

    Bobby
     
  2. Sep 7, 2012 at 7:18 PM
    #2
    Large

    Large Red

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    Where did you get the gears ? Who installed them ?
     
  3. Sep 9, 2012 at 1:38 PM
    #3
    trailertrashman

    trailertrashman [OP] Member

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    Friend of mine installed them.
     
  4. Sep 12, 2012 at 12:41 PM
    #4
    BlackSeven

    BlackSeven Grab your helmet, this shits about to get retarded

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    Toytec Ultimate Lift kit, Toytec Rear AAL, 4.88 Gears, ARB Rear locker, Doug Thorley header, Volant Cold Air Intake, Demello Offroad front high clearance bumper, ARB On board Air compressor, BLHM, Wet Okoles, 2011 Color matched grill, Weathertech mats, 4x Innovations Sliders, ATO Engine Skid plate, ATO High lift bed mounts.
    4.88's made a HUGE difference with the 33's. Truck drives like stock with the 33's plenty of power.
     
  5. Sep 12, 2012 at 2:41 PM
    #5
    BlackSeven

    BlackSeven Grab your helmet, this shits about to get retarded

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    Toytec Ultimate Lift kit, Toytec Rear AAL, 4.88 Gears, ARB Rear locker, Doug Thorley header, Volant Cold Air Intake, Demello Offroad front high clearance bumper, ARB On board Air compressor, BLHM, Wet Okoles, 2011 Color matched grill, Weathertech mats, 4x Innovations Sliders, ATO Engine Skid plate, ATO High lift bed mounts.
    4.88's are perfect for a Daily with 33's. It makes the power feel like you have stock diameter tires.

    With the stock 4.10's and 33's going up hills meant downshifting to 3rd, now I might have to downshift to 4th on longer up hills. I can do 70 on the highway comfortably around 3krpm in 5th, and have passing power available. Still get 350-360 miles out of a tank of gas.

    The truck pulls harder and "feels" like you have alot more power throughout the RPM range but you run out of gear faster and need to up shift sooner. 5th gear is enough OD for the highway so it doesn't really bother me on longer trips.
     
  6. Sep 12, 2012 at 2:48 PM
    #6
    allmotorrex

    allmotorrex Grove St. Motorsports

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    4.88s w/h rear Powertrax locker, Fox 2.5 Ext. RR COs, Camburg 1.25” ucas, Fox 12" smooth body RR, BAMF shock kit, AP 3" springs, ext. brake lines, 315/75/16 BFG KM2, AP 1.5" spacers, 16x8 Pro Comp wheels, BFF front hybrid, GSM rear HC, Relentless Fab ifs skid, BAMF lca skids, BAMF k/o sliders, X2O 10K comp. winch, TP glass fenders, OKled 20"bar, EBS dimpled/slotted rotors, EBS green pads, K&N 63 CAI, LCE headers, FM Super 44 w/h turn down, URD MAF cali., LCE Dual Comp clutch, URD ss, TMPer M1 Abrams shift knob, Amsoil oil, Cobra 75wxst w/h 4' firestix, ARB compressor, Grillcraft, FXR TRS, T1 eyelids, 500 hellas w/h 6k hid conv., custom ADV Monster model 60 lights, bed lights, speedo light mod, Glow Shift volt/oil pres gauges, Glow shift 2g column pod, Optima yellow tops dual battery setup w/h IBS system, Pioneer DEH-P7200HD head unit, Pioneer 600W 4ch & 350w 2ch amps for doors and sub, Wet Oakle covers, Weather Tech
    All good info! Ill hopefully be puttin my 4.88 in next weekend
     
  7. Sep 12, 2012 at 3:44 PM
    #7
    bjmoose

    bjmoose Bullwinkle J. Moose

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    OME suspension, ARB Air Locker, Yaesu FT 8900 Ham Radio
    How you drive has the most impact, as always. I got less than a one mpg bump when going from 4.10 to 4.88.
     
  8. Sep 12, 2012 at 5:36 PM
    #8
    allmotorrex

    allmotorrex Grove St. Motorsports

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    4.88s w/h rear Powertrax locker, Fox 2.5 Ext. RR COs, Camburg 1.25” ucas, Fox 12" smooth body RR, BAMF shock kit, AP 3" springs, ext. brake lines, 315/75/16 BFG KM2, AP 1.5" spacers, 16x8 Pro Comp wheels, BFF front hybrid, GSM rear HC, Relentless Fab ifs skid, BAMF lca skids, BAMF k/o sliders, X2O 10K comp. winch, TP glass fenders, OKled 20"bar, EBS dimpled/slotted rotors, EBS green pads, K&N 63 CAI, LCE headers, FM Super 44 w/h turn down, URD MAF cali., LCE Dual Comp clutch, URD ss, TMPer M1 Abrams shift knob, Amsoil oil, Cobra 75wxst w/h 4' firestix, ARB compressor, Grillcraft, FXR TRS, T1 eyelids, 500 hellas w/h 6k hid conv., custom ADV Monster model 60 lights, bed lights, speedo light mod, Glow Shift volt/oil pres gauges, Glow shift 2g column pod, Optima yellow tops dual battery setup w/h IBS system, Pioneer DEH-P7200HD head unit, Pioneer 600W 4ch & 350w 2ch amps for doors and sub, Wet Oakle covers, Weather Tech
    Hahaha its cool man. Ill tell u, I promise! ;) and ill try to answer ur questions
     
  9. Sep 25, 2012 at 5:33 PM
    #9
    Tacobros34

    Tacobros34 Member

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    06 Taco 6in lift 35in federal MT20inRockstars
    6in zone Lift with blistine 2.5 lift adjustable struts, 35" Federal MT 20" ROCKSTARS< K&N DROPIN, DUAL EXHAUST AND 4:88 GEARS SOON TO COME.
    i still have stock 410 gears and I'm running 35's my avg tank is 300 mi thats like 17 mpg and i still havnt recalibrated the speedo so I'm sure I'm getting better than that. I can run 65-75 easly unless it gets pretty windy then its hard to get over 65. i also don't get out of 4th and at 75 mph I'm running 3 grand. oh and i drive like an asshole lol
     
  10. Sep 25, 2012 at 11:57 PM
    #10
    4Wheelin4Banger

    4Wheelin4Banger Longtime Toyman

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    Ferntucky, NV Halfway between Reno & Falabama
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    3" OME lift 885s & Dakars riding on 33" KM2s Click the sig pic to see the build thread .
    I have 33.3" tires and get 19 to 21mpg with stock gears doing 70 to 75MPH.
     
  11. Sep 26, 2012 at 5:27 AM
    #11
    Tacobros34

    Tacobros34 Member

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    06 Taco 6in lift 35in federal MT20inRockstars
    6in zone Lift with blistine 2.5 lift adjustable struts, 35" Federal MT 20" ROCKSTARS< K&N DROPIN, DUAL EXHAUST AND 4:88 GEARS SOON TO COME.
    Call it what ever you want ill be the one with a smile on my face at the end of the day..... I also have a k&n drop in prefilter removed, and cruise control mod. Idk what to tell you pal but somthings wrong because when i was running 33's i was getting around 20-22mpg
     
  12. Sep 26, 2012 at 7:15 AM
    #12
    BlackSeven

    BlackSeven Grab your helmet, this shits about to get retarded

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    This is why you get 15 mpg. When I get on the highway, my MPG Drops as well. but my commute to work is about 19 miles one way through hilly back roads with a max speed of 50mph, but an average speed of around 35-40mph, which I'm usually around 1500-2000 rpm. That seems to be the sweet spot for efficiency. I'm averaging about 20-21mpg. Highway I'm doing just under 3000rpm at 65-70mph and it tends to really suck gas.
     
  13. Sep 26, 2012 at 7:28 AM
    #13
    allmotorrex

    allmotorrex Grove St. Motorsports

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    Yeah I agree. According to my ultragauge, I average 20 mpg driving about half city half highway, but I can watch it and through the city ill get 26 or so and on the highway doin 65-75 ill get anywhere from 19-14. And I have 33 km2s with 500 pounds of tools and armor added
     
  14. Sep 26, 2012 at 7:35 AM
    #14
    ortlie09

    ortlie09 Well-Known Member

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    I'm only running 32's but my gas mileage is almost the same. Truck sucks gas on the freeway going 70, scan gauge tells me I'm only getting 19 MAX usually but in the city if I catch all the lights and don't change my speed much I can get around 25. Now I obviously can't keep it that high because I'm always having to stop in traffic and at lights, but between freeway and city I'm averaging about 19 with stock gears, and the predicted MPG's was 18-20 so I'm happy
     
  15. Sep 26, 2012 at 7:41 AM
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    Large Red

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    body lift maybe, with all the drag.
     
  16. Sep 26, 2012 at 7:49 AM
    #16
    Large

    Large Red

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    :confused: I'm srs..
     
  17. Sep 26, 2012 at 7:52 AM
    #17
    Large

    Large Red

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    Apparently that's all the evidence you have so far & that's where I would start.
     
  18. Sep 26, 2012 at 8:20 AM
    #18
    4Wheelin4Banger

    4Wheelin4Banger Longtime Toyman

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    3" OME lift 885s & Dakars riding on 33" KM2s Click the sig pic to see the build thread .
    You hope.
     
  19. Sep 26, 2012 at 8:49 AM
    #19
    Tacobros34

    Tacobros34 Member

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    06 Taco 6in lift 35in federal MT20inRockstars
    6in zone Lift with blistine 2.5 lift adjustable struts, 35" Federal MT 20" ROCKSTARS< K&N DROPIN, DUAL EXHAUST AND 4:88 GEARS SOON TO COME.
    my 6in suspension lift is Boss..... just saying lol But come to think off it I've never had a body lift on any of my trucks i just don't like tone look of it...
     
  20. Sep 26, 2012 at 9:17 AM
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    Toy Yoda

    Toy Yoda Go Pro Junkie

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    [​IMG]
     
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