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Rim back spacing

Discussion in 'The Garage' started by 88trailblazer, Jul 10, 2005.

  1. 88trailblazer

    88trailblazer 1/2 ton status

    Apr 11, 2004
    Likes Received:
    Miami, Florida
    I'm planning on buying new rims and tires for my truck and I'm not sure what back spacing is needed. This is mostly a daily driver which only plays in mud. I've got 10bolt, front and rear, and a 4 inch "rough-ride country" lift. I currently have 15x8 rims and 35x12.50 Mickey Thompson MTX's. (they suck in the mud!)

    I'm want to get 35x14.50 but it will probably rub. So I guess I'm stuck with 35x12.50 mud terrains.

    What size rim would I need 15x10 or 15x8?
    What back spacing?
  2. 79Stomper

    79Stomper 1/2 ton status Premium Member GMOTM Winner

    Mar 4, 2004
    Likes Received:
    Forest, VA
    I would recommend a 15x10" rim for a tire that is 14.5" wide. be sure to check what size rim it needs to be mounted on. I use Tyres International as a reference for tire/rim fitment. When I had my 35's I was running a 15x10 with like 4.5" or so of backspacing and the rim rubbed the tie rod. Now I am running a 15x12 with like 2.5" of backspacing. No problem rubbing anymore.

    Hope this helps some


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