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Towing with 33s?

Discussion in '3rd Gen. Tacomas (2016+)' started by 16taco, Jul 5, 2016.

  1. Jul 5, 2016 at 2:52 PM
    #1
    16taco

    16taco [OP] Well-Known Member

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    Is it safe to run 33s 12.5s and tow a small travel trailer (3,000lbs)Will this damage truck over time?
     
  2. Jul 5, 2016 at 3:06 PM
    #2
    0311K1LL

    0311K1LL The Old Breed

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    OME 887 w/Bilstein 5100's, 1.5 AAL, SPC LR UCAs 285/75/r16 Toyo AT2s!
    Not really, but you'll have barely any power with that set up. You could re-gear your truck to gain back mpg and power.
     
    GillyLink likes this.
  3. Jul 5, 2016 at 3:08 PM
    #3
    digitaLbraVo

    digitaLbraVo Derka Derka

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    Covered in stickers and chrome stick-ons for extra horse torques and foot powers. Icon sticker gets me tons of travel, dozens of milimeters.
    Just don't put it in "drive" if you have an automatic. Hopefully you have a tow package as well. It's gonna drive like a cow with an attitude problem I'd bet.
     
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  4. Jul 5, 2016 at 3:09 PM
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    0311K1LL

    0311K1LL The Old Breed

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    OME 887 w/Bilstein 5100's, 1.5 AAL, SPC LR UCAs 285/75/r16 Toyo AT2s!
    ^^^^
    Especially with the new 16 transmission. Just use ECT and save $ for re-gearing both diffs.
     
  5. Jul 5, 2016 at 4:16 PM
    #5
    madsand

    madsand wanderer

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    What is the best gear ratio for gain mpg and lower?
     
  6. Jul 5, 2016 at 4:24 PM
    #6
    16taco

    16taco [OP] Well-Known Member

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    Thanks is regearing opening a can of worms? How much for reagearing approx.?
     
  7. Jul 5, 2016 at 4:41 PM
    #7
    Marshall R

    Marshall R Well-Known Member

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    That is about 8% larger diameter tire than factory, it will reduce the amount of power getting to the wheels by about the same amount. A lot depends on how much your truck is rated to tow. My Tacoma is rated for 6500 lbs. I went from the factory 31" tires to a 32" tire, about 3% larger. I can't tell any difference at all in performance or fuel mileage. If yours is rated for 6500 lbs towing less than 1/2 that even with the larger tires won't make any noticeable difference. Some Tacoma's are rated for much less weight depending on the engine, transmission and gear ratio. If your truck is only rated for 3500 lbs, then towing 3000 lbs with larger tires might make a difference. Most Tacomas come with 3.73 gears anyway. You shouldn't really have to worry about re-gearing until you get to 35" tires if you have 3.73's from the factory.
     
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  8. Jul 5, 2016 at 4:42 PM
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    digitaLbraVo

    digitaLbraVo Derka Derka

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    Covered in stickers and chrome stick-ons for extra horse torques and foot powers. Icon sticker gets me tons of travel, dozens of milimeters.
    Stop. Your math is wrong. The size difference alone is not what matters, a load E tire that that's 12.5" wide is a lot heavier than the passenger crap that comes outta the factory on these trucks.
     
  9. Jul 5, 2016 at 4:50 PM
    #9
    Reh5108

    Reh5108 Well-Known Member

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    Size definitely matters...
     
  10. Jul 5, 2016 at 11:40 PM
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    pngo121

    pngo121 Well-Known Member

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    LOL your all sorts of wrong. these trucks come with 3.90 gears. Nitro recommends 4.88 with 33s on these truck. Overland already has their truck regeared with the 4.88s said they gained back 1.5mpg with a lot better shift patterns. I'll be looking into doing this in the near future.
     
  11. Jul 6, 2016 at 4:08 AM
    #11
    Marshall R

    Marshall R Well-Known Member

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    The math is right on the money, a 33" tire is 8% larger diameter than 30.5" tire that comes from the factory, plus most tires advertised as 33" are actually closer to 32.5. Towing a 3000 lb trailer with 33" tires will be no problem if his truck is rated to pull 6400 lbs with factory tires. If his is rated for only 3500 lbs then he has a problem.

    Of course they recommend different gears, they want to sell them to you. Didn't realize the 3rd gens were coming with 3.90's. But if anything that tells me it will be even less of a problem.
     
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  12. Jul 6, 2016 at 4:11 AM
    #12
    catfish37

    catfish37 Well-Known Member

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    I agree completely. Mine has3.90's I really think the truck could use 4.30 stock. If your planning on 33's I would definitely go with 4.88.
     
  13. Jul 6, 2016 at 4:11 AM
    #13
    pngo121

    pngo121 Well-Known Member

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    4.56 and 4.88 cost is the same. follow the expedition overland build. they have a video answering several questions regards to gearing for the 3rd gen.
     
  14. Jul 6, 2016 at 5:34 AM
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    pngo121

    pngo121 Well-Known Member

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    crispy77 likes this.
  15. Jul 6, 2016 at 8:06 AM
    #15
    tuftster

    tuftster Well-Known Member

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    For what it's worth, I've got 32" Cooper STT Pros (54lbs each) and I've towed a couple trailers recently about 6,000 lbs and the truck did really well. Wouldn't win any drag races but had no problems at all. I wouldn't make a habit of it and I wouldn't want to do it in the mountains without trailer brakes but 33's with a 3,000 lb trailer should likely be fine. Do you have the tow package? If not you might want to look into a trans cooler.

    I also know someone with a 3rd gen who recently towed a 12,000 lb trailer :spy:. Only about 30 miles but it did make it up a 20% grade dirt road...from what I hear. (Don't try this at home kids)
     
  16. Jul 6, 2016 at 8:50 AM
    #16
    digitaLbraVo

    digitaLbraVo Derka Derka

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    Covered in stickers and chrome stick-ons for extra horse torques and foot powers. Icon sticker gets me tons of travel, dozens of milimeters.
    You're assuming the diameter change is the loss of power in larger tires. Protip: it's not.
     
  17. Jul 6, 2016 at 8:57 AM
    #17
    paranoid56

    paranoid56 Well-Known Member

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    dont forget trans temps. your transmission is working much harder trying to push 33s and stock gearing. now this is not apples to apples, but my 03 with stock gearing and 33s my trans temps would get in to the 220+ range just DDing, on long hills 260+ so not good. after regearing, always under 200 and 230ish on hills.
     
  18. Jul 6, 2016 at 11:47 AM
    #18
    Reh5108

    Reh5108 Well-Known Member

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    I'd disagree. You have less torque with a larger tire.

    I don't think you can limit it to solely one factor for power loss.
     
  19. Nov 22, 2020 at 5:04 AM
    #19
    nwflsr4x4

    nwflsr4x4 Well-Known Member

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    I know this thread is old, but I just towed over 20hrs to get to my destination for the week and I need to advice. I’ve got a 2019 automatic v6 with a 3” lift and 33” Toyo at3s. With my current setup, my truck tows like garbage. I’m only towing a 4x8 trailer with maybe 600lbs. My tires weigh 55lbs each so I’m wondering if I go with tires that are still 285/70/17 size but weigh 42lbs, if it’ll make that much difference. I love my Toyos but I’ll be making this trip fairly often.
     
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  20. Nov 22, 2020 at 5:25 AM
    #20
    6300'asl

    6300'asl Member

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    Yes, 13 lbs per tire woild make a large difference towing on the hiway. Big change in accel/braking and gear hunting.
     

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