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Offset for 33” tires on 20x9’s ?

Discussion in 'Wheels & Tires' started by BigIrish82, Jun 29, 2020.

  1. Jun 29, 2020 at 9:04 PM
    #1
    BigIrish82

    BigIrish82 [OP] New Member

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    I have a 2018 Tundra and I’m putting on a rough country 3.5” lift. Gonna run 33x12.50 Nitto Trail M/T’s on 20x9 wheels. What the correct offset to have them sticking out about 2”? Also, will I need to trim at all?

    Thanks!!
     
  2. Jun 29, 2020 at 9:30 PM
    #2
    jwatt

    jwatt I heart men

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    7" BDS Coilover Suspension Lift/BDS UCAs/XB LED Headlights/Nitto trail Grappler tires on Black Rhyno Armory wheels
    You could probably contact the lift manufacturer, and they could tell you the backspacing range your lift would allow. For my BDS lift the max backspacing for 12.5" wheels was 5 1/2" which is stated right on lift website. Also, if you have a Discount tire near by they can help. They helped out me a lot. They have a computer program that gives you a visual representation of what specific backspacing will look like compared to a stock wheel backspacing.
     
    Last edited: Jun 29, 2020
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  3. Jun 29, 2020 at 10:07 PM
    #3
    1lowlife

    1lowlife Toxic prick and pavement princess..

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    Put in what you have now, and figure out your 2".. Welcome to the forum..
     
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  4. Jun 30, 2020 at 5:07 AM
    #4
    Netmonkey

    Netmonkey Don't be a Dumbass

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    probably around 0 offset or maybe a little negative. yes, you will need to trim.

    This is a 3.5" lift with 295/60/20 tires on a 20x9 +20mm offset wheel. The tires stick out about 1 inch.

    [​IMG]
     
    Last edited: Jun 30, 2020
  5. Jun 30, 2020 at 5:19 AM
    #5
    BigIrish82

    BigIrish82 [OP] New Member

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    I’m okay with trimming some
    plastic. I like the look of your setup (at least what I can see of it lol). Thanks for the help!
     
  6. Jun 30, 2020 at 5:23 AM
    #6
    Netmonkey

    Netmonkey Don't be a Dumbass

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    thanks, you can check out my build thread. it shows the clearance and what trimming i did to fit the tires:
    https://www.tundras.com/threads/netmonkeys-build-thread-2-0.63758/

    you will probably need to do the cab mount chop and push the bumper forward as well as modifying the bumper liner.
     
  7. Jun 30, 2020 at 8:06 AM
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    BigIrish82

    BigIrish82 [OP] New Member

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    Ok, so I’ve been rethinking 33’s. I don’t wanna do a CMC or move bumpers or anything like that. What is the largest tire I could put on 18x9 wheels with a 3.5” lift. Again, I don’t mind removing mud flaps and even a little bit of of plastic trimming. I still want a slight poke out of the fenders, but that’s optional at this point , not mandatory. Thanks for helping out here folks!
     
  8. Jun 30, 2020 at 8:58 AM
    #8
    Netmonkey

    Netmonkey Don't be a Dumbass

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    well... if you keep the offset higher, then you will have less trimming to do. look at my setup. if you stay with a +18mm to +25mm offset, then you can easily fit 34's and i am so close to be able to fit 35's. i would just need to trim a little bit more of the fender liner or push the bumper out 1/2".
     
  9. Jun 30, 2020 at 11:14 AM
    #9
    r4z0r51o

    r4z0r51o have fallen off the forum, but I’m still alive.

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    My older wheel and tire combo was 20x9 +20 with 295/60 (33.94”) and if I remember correctly I had to remove the mud flaps and maybe heat treat (reshape) the forward liner but I cleared the cab mount. Wasn’t until I added 1”wheel spacers that I started to hit the mount. This was with a 3/1 leveling kit.
     
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  10. Jun 30, 2020 at 11:18 AM
    #10
    BigIrish82

    BigIrish82 [OP] New Member

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    So did your old set up have the tires poking out at all?
     
  11. Jun 30, 2020 at 12:27 PM
    #11
    r4z0r51o

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    Pictures sent!
     
  12. Jun 30, 2020 at 12:32 PM
    #12
    BigIrish82

    BigIrish82 [OP] New Member

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    Thank you. Nice ride btw. Your old setup is exactly what I am looking for. Not worried about trimming plastic and removing mud flaps, just don’t wanna start cutting the cab mount. Just confirming, the old setup is with a 3/1 lift kit? I have a 3.5”, so I imagine that should be enough, right? Thanks again for the pics and advice!
     
  13. Jun 30, 2020 at 12:35 PM
    #13
    r4z0r51o

    r4z0r51o have fallen off the forum, but I’m still alive.

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    22x12”HostileRage/33”NittoRidgeGrap/StealthFighter/FOX-BDS
    Your quite welcome. Cutting the cab mount isn’t really a big deal, it’s when you start having to modify the pinch weld behind the plastics. Good luck!
     
  14. Jun 30, 2020 at 4:26 PM
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    jwatt

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    I went with 32's with my 7 " lift. With a 5.5 backspacing I only ended up having to remove front mud flaps. 35's would be major surgery.
     
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