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Trying to fit 285/75R16 on stock wheel.

Discussion in '1st Gen. Tacomas (1995-2004)' started by chvymechanic, Apr 29, 2011.

  1. Apr 29, 2011 at 7:00 PM
    #1
    chvymechanic

    chvymechanic [OP] Well-Known Member

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    I have Wheelers OME complete lift. 881 coils, 10mm lift enhancer and LR UCA's. What do I need to do to fit a 285/75R16. I have searched quite a bit and found that some say wheel spacers will make the rub worse, also read that a 4.5" backspacing is key but the factory wheel is a 4.5" backspace, also read that an aftermarket UCA will help. I have read trimming ends up being necessary pinch weld mod mostly. Just looking for a more concrete answer to fitting these tires before dropping a lot of cash on a tire that might be more trouble then its worth.

    Secondary tire size is 265/75R16 but really like the looks of the 285.

    All help is appreciated.

    Thanks.
     
  2. Apr 29, 2011 at 7:03 PM
    #2
    BlueTaco07

    BlueTaco07 Super Mod!

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    Reccomend spidertraxx wheel spacers if you dont want to changed the uca's
     
  3. Apr 29, 2011 at 7:05 PM
    #3
    chvymechanic

    chvymechanic [OP] Well-Known Member

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    I already have the LR UCA on the truck.
     
  4. Apr 29, 2011 at 7:08 PM
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    BlueTaco07

    BlueTaco07 Super Mod!

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    how much lift do you have one the truck?
     
  5. Apr 29, 2011 at 7:12 PM
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    chvymechanic

    chvymechanic [OP] Well-Known Member

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    I forgot to measure the before but according to wheelers with the combo I have set up ~2.75 inches of lift.
     
  6. Apr 29, 2011 at 7:16 PM
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    BlueTaco07

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    You should be good. I would take the mud flaps off the front. Rear is optional, and some minor trimming but all in all it'll look good :)
     
  7. Apr 29, 2011 at 7:17 PM
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    chvymechanic

    chvymechanic [OP] Well-Known Member

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    So they will fit as is? Do you still think wheel spacers are needed? Looking at the inside of the wheel now with the 265 it looks really close to the UCA.
     
  8. Apr 29, 2011 at 7:19 PM
    #8
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    Step 1: Mount, Balance, Install on truck
    Step 2: Sweep steering, cycle suspension, mark all areas of contact.
    Step 3: Start cutting shit.
     
  9. Apr 29, 2011 at 7:20 PM
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    BlueTaco07

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    Yeah they are. If your running stock rims I think its a 5.0 backspacing not sure, but im positive you need a rim with atleast a 4.5 bs or less so wheel spacers are needed
     
  10. Apr 29, 2011 at 7:23 PM
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    chvymechanic

    chvymechanic [OP] Well-Known Member

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    I read that the 2004 stock wheel is 4.5" backspacing. I guess I take a wheel off and measure for myself.
     
  11. Apr 29, 2011 at 7:25 PM
    #11
    BlueTaco07

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  12. Apr 29, 2011 at 7:34 PM
    #12
    chvymechanic

    chvymechanic [OP] Well-Known Member

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    Nice Thank you! Will the 1.25" spacer cause any additional rubbing? or Eliminate all rubbing?
     
  13. Apr 29, 2011 at 7:38 PM
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    BlueTaco07

    BlueTaco07 Super Mod!

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    No problem. And it'll make the tire stick out more. Clear the uca's but might still have to do some fender trimming but thats always a have to with bigger tires.
     
  14. Apr 29, 2011 at 7:44 PM
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    chvymechanic

    chvymechanic [OP] Well-Known Member

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    Are the Spidertrax's really worth all that extra money?
     
  15. Apr 29, 2011 at 7:51 PM
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    BlueTaco07

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    They are, its either the spidertraxx or suspension/rubbing problems. If i were you I would try to get some rims with a 4.5 bs or less instead of worrying about clearnce
     
  16. Apr 29, 2011 at 8:38 PM
    #16
    chvymechanic

    chvymechanic [OP] Well-Known Member

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    I just meant in comparison to the all pro spacers.
     
  17. Apr 29, 2011 at 9:52 PM
    #17
    mikesdoublecab

    mikesdoublecab LT Chase Truck

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    Engage Offroad long travel front and rear with some fat tires.
    the key to fitting the 285s is first backspacing on your wheels... look into a 16x8 wheel with 4" backspace or less... that will help keep the sidewall of the tire away from the spindle/UCA, and the lift helps keep the sidewall from rubbing against the frame during normal driving...

    with the smaller backspace, you can also throw on some 3.5" fiberglass fenders and hammer the pinch weld in to prevent rubbing in those spots...

    next, when you get the truck aligned, see if the shop will set your caster around 2 degrees forward... 1.5 degrees is a happy median...

    there are a number of guys running it with the stock fenders and seem to only rub during articulation... considering you will likely flex at slow speeds only, the rub is bearable...

    before going LT, i cleared the stock UCA and spindle just fine with an aggressive 285 like the Cooper STT...

    [​IMG]
     
  18. Apr 29, 2011 at 10:07 PM
    #18
    NegroTundra

    NegroTundra Well-Known Member

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    I had 285's on my stock wheels (2003) with no spacers for a short while. They only rubbed when steering was at full lock (on frame) and at different places on frame when in articulation. I had ~2.85" lift up front.... The rub was NOT significant. Only downsized due to fuel economy.

    [​IMG]
     
  19. Apr 29, 2011 at 10:34 PM
    #19
    chvymechanic

    chvymechanic [OP] Well-Known Member

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    Running the larger size, does it really hit fuel economy hard? What size did you downsize to?
     
  20. Apr 29, 2011 at 10:40 PM
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    NegroTundra

    NegroTundra Well-Known Member

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    The 285's were D-Rated and listed on BFG's website as 54 lbs each. Went to E-Rated 265/75/16 Bridgestone's listed as 47lbs each....saw a 3 mpg gain. Pretty significant.
     
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