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    Quick Links: 2008 Taco Front Wheel Shimmy with non-stock wheels Will the Autel TS501 Program my TPMS? Method Standard wheels look a like Help me choose a tire Wheels What causes orange on tires?

I need some help on wheel back spacing and offset please.

Discussion in 'Wheels & Tires' started by Trace, Mar 7, 2012.

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  1. Mar 7, 2012 at 1:44 PM
    #1
    Trace

    #1
    Trace [OP] Active Member

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    08 Tacoma 3 inch lift sr5
    3 inch pro comp lift.
    I have an 08 taco with a 3" pro comp lift. I want to put 33x12.5 r18's with 18x9 wheels. I found the ones I want but I don't know what backspacing and offset I need. Any info would help. Thanks.
     
    Trace, Mar 7, 2012
    #1
  2. Mar 7, 2012 at 2:33 PM
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    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    4.5" backspacing and then get ready to trim.
     
    TexasTacoma37, Mar 7, 2012
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  3. Mar 7, 2012 at 3:56 PM
    #3
    Trace

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    Trace [OP] Active Member

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    What would I have to trim?
     
    Trace, Mar 7, 2012
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  4. Mar 7, 2012 at 7:00 PM
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    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    Lots of fender well plastic, and you will likely have to chop and rebox your cab mounts
     
    TexasTacoma37, Mar 7, 2012
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  5. Mar 8, 2012 at 1:47 PM
    #5
    Trace

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    Trace [OP] Active Member

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    Why would I have to trim? Is it because of the with or the height?
     
    Trace, Mar 8, 2012
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  6. Mar 8, 2012 at 1:54 PM
    #6
    4Wheelin4Banger

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    4Wheelin4Banger Supercharged Toyman

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    3" OME lift 885s & Dakars riding on 33" KM2s
    Width. I'm running the skinny 33" tires (255/85/16 on 1st Gen TRD ORs {4.5" BS}) and haven't trimmed anything.
     
    4Wheelin4Banger, Mar 8, 2012
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  7. Mar 8, 2012 at 3:11 PM
    #7
    Trace

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    Trace [OP] Active Member

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    How wide can go without trimming With 3.5 backspace?
     
    Trace, Mar 8, 2012
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  8. Mar 8, 2012 at 5:05 PM
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    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    3.5 bs and you wouldn't even be ale to fit 265s. It woud increase the turning arc too much. 4.5 is your best bet.
     
    TexasTacoma37, Mar 8, 2012
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  9. Mar 8, 2012 at 5:39 PM
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    rossivey

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    rossivey Well-Known Member

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    i just put some 285/70/17s on w/ a 3" OME Lift & i'm had to trim some fender and going to do the cab mount chop. My offset is -12mm but i dont know what backspacing i have off the top of my head. i'm thinking 4.5" though.
     
    rossivey, Mar 8, 2012
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  10. Mar 8, 2012 at 6:24 PM
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    Trace

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    Trace [OP] Active Member

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    What's the widest tire I can run with out trimming. The wheel I have it a 18x9 with a 24mm offset. So it's about a 3.5 bs.
     
    Trace, Mar 8, 2012
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  11. Mar 8, 2012 at 6:28 PM
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    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    Return the wheel or get ready to cut your fenders. The metal portion, not the plastic well. 3.5"s aren't designed for these trucks.
     
    TexasTacoma37, Mar 8, 2012
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  12. Mar 8, 2012 at 6:30 PM
    #12
    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    You might be able to barely pull it off with 265/65/18s and a lot of trimming, but that's a far cry from the super wide tires you wanted
     
    TexasTacoma37, Mar 8, 2012
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  13. Mar 8, 2012 at 6:54 PM
    #13
    Trace

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    Trace [OP] Active Member

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    3 inch pro comp lift.
    I do have a arb front bumper. What is the perfect tire width and wheel backspacing so I don't have to trim my cab mounts. Remember I have a 3" lift.
     
    Trace, Mar 8, 2012
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  14. Mar 9, 2012 at 5:58 AM
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    rossivey

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    rossivey Well-Known Member

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    probably 265/75/16 on a 16x8 wheels with 4.5" backspacing. Anything larger than 265 is gonna push the limit of needing to trim so fender. i've heard some guys running 275s with no rubbing but that usually depends on the type of tire and how aggressive it is.
     
    rossivey, Mar 9, 2012
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  15. Mar 9, 2012 at 6:00 AM
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    TexasTacoma37

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    TexasTacoma37 Well-Known Member

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    Yep, this^^^

    Arb bumper doesn't solve anything. They aren't designed for fitting larger tires.
     
    TexasTacoma37, Mar 9, 2012
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  16. Mar 9, 2012 at 7:07 AM
    #16
    Trace

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    Trace [OP] Active Member

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    So I can't get anything wider that a 10.5 in tire huh. But if I put that size on an 18x8 wheel it would make a 265/75r18 a 33.5ish x 10.5ish correct? And do you think that would work and look good with a 4.5bs wheel?
     
    Trace, Mar 9, 2012
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  17. Mar 9, 2012 at 1:50 PM
    #17
    rossivey

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    rossivey Well-Known Member

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    If u get a 33.5" tire, you're gonna need to trim a lot. I don't think 265 is a 33" tire but I could be wrong. I'd need to do some more research.
     
    rossivey, Mar 9, 2012
    #17
  18. Mar 9, 2012 at 3:51 PM
    #18
    4Wheelin4Banger

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    4Wheelin4Banger Supercharged Toyman

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    They are.
    Current Tire Size: / R
    New Tire Size: / R
    Your Calcs (x): 265 / 75-16 - 265 / 75-18265 / 75-16 - 275 / 70-16

    [​IMG]
    Side by side Overlay
    [​IMG]
    Diameter inches 31.65 33.65

    http://www.tacomaworld.com/forum/tirecalc.php
     
    4Wheelin4Banger, Mar 9, 2012
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  19. Mar 10, 2012 at 7:09 AM
    #19
    rossivey

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    rossivey Well-Known Member

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    Nice work!
     
    rossivey, Mar 10, 2012
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  20. Mar 12, 2012 at 12:10 PM
    #20
    Trace

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    Trace [OP] Active Member

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    3 inch pro comp lift.
    Ok I'm going down to a 17" wheel with a 4.5 bs. Whats the the tallest and widest it can go with a 3" lift without trimming anything.
     
    Trace, Mar 12, 2012
    #20
Page 1 of 2

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