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285/70/17 on TRD Pro Wheels

Discussion in '5th Gen 4Runners (2010-2024)' started by Vito Corleone, Aug 10, 2020.

  1. Aug 10, 2020 at 6:16 PM
    #1
    Vito Corleone

    Vito Corleone [OP] New Member

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    Current Mods: 3/2 Lift Kit w/Billstein 5100’s SPC Front Upper Control Arms 285/70/17 Michelin Defender LTX TRD Pro Wheels TRD Pro Grill 20% Tint on Windows & Sunroof Pedal Commander Cold Air Kit LED Front Turn Signals Brite-Box Anytime Foglight Kit “Tail as Turn” Rear Turn Signal Kit LED Reverse Lights LED Tag Lights LED Puddle Light Pods Sequential Turn Signals N-Fab 3” Step Bars Future Mods: In-Car Camera System Rear Molle Panel Storage System Magnuson Supercharger (when available)
    I have read that a 285 should not go on a 7” wheel such as the TRD Pro wheel as a 7” wheel is too narrow for that size tire but I have also seen quite a few pictures on this site with that combination. Does anyone know the definitive answer to this question? Thanks for any information that can be provided.
     
  2. Aug 10, 2020 at 6:28 PM
    #2
    PVT Pablo

    PVT Pablo

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    All tire manufacturers do not recommend using a 285 series tire on a 7" rim. The minimum recommended width is 7.5", again from tire manufacturers. You can go on to Falken, Toyo, BFGoodrich, whatever and they all say the same thing.

    Can you physically place a 285 on a 7" rim, yes absolutely. Have I seen it done without issue? Yes. Do tire manufacturers recommend it. No.

    I'm not a tire scientist or tire engineer, but I can assume that the tire isn't designed to be pinched on a 7" rim, or that a 7" rim is out of the range of flexibility for a 285.
     
    Dookie316 likes this.
  3. Aug 10, 2020 at 7:03 PM
    #3
    SlvrSlug

    SlvrSlug Slightly bent.

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    I have not heard any horror stories, or even mishaps with that combo, but maybe someone can chime in. I have been running mine for a year or so with no problems with anything.
     
    nimby likes this.
  4. Aug 10, 2020 at 7:44 PM
    #4
    RusPro17

    RusPro17 Back home again!!

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    I can tell the difference because I have done it on my Tacoma and now my Pro. Just the stock size tire 265/70/17 when it mounted on my SCS wheel being 8.5 inch you can tell it handles better. So jumping up to a 285 it’s definitely going to handle better with the 8.5 inch wheel than a 7 inch wheel. Just my opinion.
     
  5. Aug 10, 2020 at 7:49 PM
    #5
    nimby

    nimby in the drink

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    It's fine.

    I know guys who have put 35's and 37's on 7" wheels with zero issues.
     
    Jynarik likes this.
  6. Aug 10, 2020 at 7:54 PM
    #6
    Jynarik

    Jynarik I like boobies

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    Been done a million times
     
    nimby likes this.
  7. Aug 10, 2020 at 8:37 PM
    #7
    eelski

    eelski New Member

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    I'm switching to a 9 inch rim for my 285s. Plus, you can sell your TRD PRO rims easily.
     
  8. Aug 10, 2020 at 10:20 PM
    #8
    Daytonaviolet

    Daytonaviolet TRD Bro

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    Several have done it with no issues. Personally 285’s look better on 8“+ wheels. Gives it more of a stretch.

    E7F69EC0-377A-4C57-9C38-374B51329A6C.jpg
     
    travelinscout and TallyGirl like this.
  9. Aug 10, 2020 at 10:40 PM
    #9
    flyinhoot

    flyinhoot When in doubt, Throttle out.

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    The X overland guys drove their runner all the way from North America through South America with no issues with 285/70R17 on the pro wheels. just sayin.
     
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  10. Aug 10, 2020 at 11:32 PM
    #10
    4runningMan

    4runningMan New Member

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    It’s fine until you hit the limit of maximum force leading to failure. Most will never get to that point. But if a deer runs out in front of you and you swerve too sharply at speed, the not-so-recommended tire size will lose a bead before the recommended size.

    The recommendations are there to protect people. Just like airbags. Most won’t need the airbags, but some will. And airbags will save some. But some accidents will be beyond the limits of the airbags ability to protect.

    This stuff isn’t complicated, nor is any entity conspiring to limit tire sizes. The recommendations aren’t there to make lives miserable. They’re just recommendations. And they probably prevent a handful of tragedies each year.
     
  11. Aug 11, 2020 at 8:05 AM
    #11
    08TXRunner

    08TXRunner New Member

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    It'll work but to prevent tire wear in the middle you're going to have to air them down some, which does affect handling.
     
  12. Aug 11, 2020 at 8:27 AM
    #12
    Jynarik

    Jynarik I like boobies

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    I bet you’re fun at parties
     
  13. Aug 11, 2020 at 1:03 PM
    #13
    mcat707

    mcat707 MURDERED TRD

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    Still going over 10,000 miles strong on my 285/70/17 Falken MT’s on OEM 7” TRD PRO wheels.
    265793BB-DCA7-44CB-804A-DB1554D9DD72.jpg
     
  14. Aug 11, 2020 at 1:09 PM
    #14
    masamitsu

    masamitsu New Member

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    sweet ride...
     
  15. Aug 11, 2020 at 8:54 PM
    #15
    4runningMan

    4runningMan New Member

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    I’m a lot more fun with a coupla drinks in me, yes.
     
  16. Dec 16, 2020 at 6:07 AM
    #16
    TST85

    TST85 New Member

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    Off Road Package, 3" OME BP-51 Suspension Lift w/ OME upper control arms, OME 889 rear coils, Method MR315 17x8.5, Falken Wildpeak AT3W 285's
    I'm in the process of putting a 3in lift (OME BP-51) on my 2020 TRD and I'm starting to ask myself the same question, I'd like to keep my TRD rims but would also like to run 285's vs. 275's, I hear you can still fit a 285 on a stock TRD rim underneath in the spare compartment (tightly albeit)... anyone have experience with this? Also, has anyone run into tire places refusing to mount 285's on a TRD rim (or any 7inch wide rim)?...just getting my bearings with all this and there's so much conflicting info on forums and the internet in general. Thanks everyone, Happy Holidays
     
  17. Dec 16, 2020 at 6:10 AM
    #17
    TST85

    TST85 New Member

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    Off Road Package, 3" OME BP-51 Suspension Lift w/ OME upper control arms, OME 889 rear coils, Method MR315 17x8.5, Falken Wildpeak AT3W 285's
    Also, if I were to mount 285's on a stock TRD pro rim would it be best to mount a stiffer sidewall load-E tire or a normal load-C tire to make it as safe as possible? Or would it matter? THX
     
  18. Dec 16, 2020 at 8:53 AM
    #18
    kmeeg

    kmeeg LionRunner

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    Not everyone read specs before they do a mod..:)

    upload_2020-12-16_9-47-56.jpg
    upload_2020-12-16_9-50-0.jpg
     
    canadian.bacon likes this.
  19. Dec 16, 2020 at 9:07 AM
    #19
    RusPro17

    RusPro17 Back home again!!

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    C440486B-F94D-4F6C-9994-C973A0C7C8A0.jpg 285=8.5 wheel.
     
    kmeeg likes this.
  20. Dec 16, 2020 at 10:10 AM
    #20
    mcat707

    mcat707 MURDERED TRD

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    285/70/17 Falken Wildpeak MT on OEM steel spare wheel mounted in spare location with no issues. Went to America’s Tire and they gave me no lip on mounting the tire on the wheel. YMMV


    AA648E71-B19E-4DA3-96E3-1164AAEBA0F6.jpg
     
    hossler1788 and TST85[QUOTED] like this.
  21. Dec 16, 2020 at 11:04 AM
    #21
    TST85

    TST85 New Member

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    LAstly, anyone know Are you able to put a 285 underneath if getting an aftermarket 17' 8.5 wide wheel? looking at the rrw rr5vwith -12 offset
     
  22. Dec 16, 2020 at 12:15 PM
    #22
    RusPro17

    RusPro17 Back home again!!

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    If they are the same offsets as SCS wheels I would think they would work.
     
  23. Dec 16, 2020 at 4:28 PM
    #23
    Lightning03

    Lightning03 New Member

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    I have been running 285/70/17 on the pro wheels for close to two years now with no issues.
     

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