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Will 15in wheels fit the rear of a 3rd gen?

Discussion in 'Wheels & Tires' started by Mach, Feb 15, 2025.

  1. Feb 15, 2025 at 5:15 PM
    #1
    Mach

    Mach [OP] Well-Known Member

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    I know the disc brakes on the front of a 3rd gen are too big for 15in wheels but will they fit the drum brakes in the rear?

    I am contemplating some sand tires for the rear and 15in wheels would really open up my options.
     
  2. Feb 15, 2025 at 5:36 PM
    #2
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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  3. Feb 15, 2025 at 6:00 PM
    #3
    Mach

    Mach [OP] Well-Known Member

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    4wd, not sure of that matters on the rear though. Plan is same overall diameter but wide sand tires in the rear for flotation, maybe scoops.
     
  4. Feb 15, 2025 at 6:02 PM
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    Toycoma2021

    Toycoma2021 Well-Known Member

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    I think Clearwater was getting around to how you were going to match different tire sizes with two different rim sizes. May be possible with careful selection.
     
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  5. Feb 15, 2025 at 6:03 PM
    #5
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    Was thinking about mismatched diameters front and rear. Not the wheels particularly, but total diameter.

    Need a bit taller in rear to match up to whatever is in front, right?

    Tire calculator will help
     
    Toycoma2021 likes this.
  6. Feb 15, 2025 at 6:08 PM
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    Mach

    Mach [OP] Well-Known Member

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    Yes plan would be to match overall diameter as close as possible but I would also only be running them on soft sand so doubt a slight discrepency would be a huge deal.
     
  7. Feb 15, 2025 at 6:12 PM
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    Toycoma2021

    Toycoma2021 Well-Known Member

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    Sounds like it is going to be an off-road trailer queen?
     
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  8. Feb 15, 2025 at 6:15 PM
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    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    Assuming you are using 4wd you don't want gear ratio differences. Which tire dia affects..
     
  9. Feb 15, 2025 at 6:44 PM
    #9
    eurowner

    eurowner Duke Sky

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    The rears should. There is a 3rd Gen with 15” all the way round, he posted it on a FB Tacoma group (I can’t remember which one) with his dad’s or FIL 3rd Gen. And both are super clean looking.
    On the front a 15” can’t clear the brakes unless using a wheel with little back spacing and maybe spacers.
     
  10. Feb 15, 2025 at 7:52 PM
    #10
    Mach

    Mach [OP] Well-Known Member

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    Overall not at all. Its my does everything Tacoma but might have a job in baja where being able to get anywhere on the sand would be helpful enough to justify a seperate set of rear tires and wheels for the sand.
     
    Toycoma2021[QUOTED] likes this.
  11. Feb 17, 2025 at 8:22 PM
    #11
    Toycoma2021

    Toycoma2021 Well-Known Member

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    When I take my step in the other direction, to 17" rims, I too will set up a set of tires for street use and another for off-road use.
     
  12. Mar 4, 2025 at 1:41 PM
    #12
    Mach

    Mach [OP] Well-Known Member

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    Looking at my truck today I realize that there are several inches of clearance between the 16in wheel and the drums so 15in wheels on the back should be no problem. Kind of toying with the idea of wide tires in back anyway for offroad use. Kind of dualy like and would give more floatation and traction..... just need to match overall diameter. Wonder if I could find some skinny 33s with the same diameter to use as spares.....
     
  13. Mar 4, 2025 at 1:55 PM
    #13
    YF_Ryan

    YF_Ryan Well-Known Member

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    In the sand, a slightly taller front tire on a 4wd would probably be beneficial for steering. It's obviously only a quad, buy my wife's 4wd quad with knobby 26s on the front and 25.5 paddles on the rear work great. The extra pull from the front end makes it steer great. I would highly recommend shifting into 2wd though, as soon as you're off the sand.
     

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