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5 lug backspace and offset help

Discussion in '5 Lug' started by Zackmo, Jun 3, 2019.

  1. Jun 3, 2019 at 3:32 PM
    #1
    Zackmo

    Zackmo [OP] Member

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    Zack
    Georgia
    Help!!!

    Also My nephew is looking at pro comp series 31 stryker’s in 15x8 with 3.75 bs and -19 offset 5 x 4.5 lug pattern for his 5 lug will this bs and offset work?

    Its a 2006 access cab that he is doing a spaced lift kit from pro comp on this weekend and then wanting wheels and tires. And yes I know “use the search function” and I’m trying but he found the sale so is trying to not miss out on a sale also.
     
    Last edited: Jun 6, 2019
  2. Jun 6, 2019 at 8:39 AM
    #2
    snowshovel

    snowshovel Active Member

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    on paper, it looks okay. I measured my stock wheel around the caliper spot, the depth is about 6 in. Minus 4.5in bs you proivded, the difference is about 38mm. Since your new wheel offset is -19 and the stock wheel is +34. The total will be 53 mm. So it should work. However, it still depends on the spoke position around the caliper spot. Here I assume the spoke doesn't curve to inside. -19 offset will push wheel outside the well. Post some pics after the installation.
     
  3. Jun 6, 2019 at 10:18 AM
    #3
    Zackmo

    Zackmo [OP] Member

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    I was mistaken it is 3.75 bs so should be good. They are pro comp series 31 strykers

    217531E2-182A-49E7-B22F-13B8FF0893C0.jpg
    542F210C-A8A4-4E30-B53F-F110CDE00FC7.jpg
     
  4. Jun 6, 2019 at 10:50 AM
    #4
    snowshovel

    snowshovel Active Member

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    If my understanding is correct, it's actually getting worse w/ 3.75BS. It'll be 4mm closer to caliper compared with the stock wheels. Here I assume that the spokes of the new wheel are at the same plane as the mounting surface. Taken into account there is a margin b/w caliper and spoke of the stock wheels, and the spokes of the new wheel should be a few mm away from the mounting surface. the 4mm may not be a big deal. Probably it's okay.
     
  5. Jun 6, 2019 at 11:16 AM
    #5
    snowshovel

    snowshovel Active Member

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    I just went to garage and measured the offset of the stock wheel. To my surprise, the offset is +44, not +34mm. I found the +34 offset from wheel-size.com. The snow tires are still on the wheels and I used tape measure. So my measurement is only a reference. Anyway, if you trust my measurement and math, you can go for -13 offset that will make the wheels stick out less. If you trust the info from wheel-size.com, you have to go for -19 offset at least.
     
  6. Jun 8, 2019 at 10:12 AM
    #6
    Zackmo

    Zackmo [OP] Member

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    Thank you! I will look at factory offset, but I had found online was +34 but I am not sure which website. If I take the wheel off doesn’t it say in the back of the hub or somewhere on the wheel? I know my tundra alloys do.

    A member on this site did a 4” lift and 33s and this is the picture and was the same wheels. But not sure if they had to use a slight shim or spacer. We just out the pro comp lift on this morning so now need to figure out the wheels that will fit.

    F5912280-4E82-4B37-9647-1E382A4B3033.jpg
     
  7. Jun 8, 2019 at 8:07 PM
    #7
    snowshovel

    snowshovel Active Member

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    On the steel stock wheel, I only found this.

    IMG_5202.jpg
     
  8. Jun 9, 2019 at 8:17 PM
    #8
    Zackmo

    Zackmo [OP] Member

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    Thank you I am going to continue looking.
     
  9. Jun 9, 2019 at 10:07 PM
    #9
    bagleboy

    bagleboy Well-Known Member

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    Norcal, Santa Rosa
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    Snug top Rebel, Thule tracks, ditch tracks, Bagged rear suspension, F/R anytime camera, intermittent wiper switch...
    Check the center bore as well. I think stock is 67mm and hub centric is always better than lug centric.
     
  10. Jul 13, 2019 at 11:06 AM
    #10
    Rican_98_taco

    Rican_98_taco The upholstery dude

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    Luis
    Riverview, FL
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    1998 Tacoma Xtracab
    Aftermarket HU. And very soon custom interior... done by me
    Need help. Would these work on my 98 xtracab?
    American Racing AR23
    5x4.5
    Back space 3.75
    Offset-19
    Bore 83.06
    With a low profile tire
     
    Last edited: Jul 13, 2019
    00black5lug likes this.

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