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Discussion in 'The Garage' started by wasted wages, Jan 12, 2005.

  1. wasted wages

    wasted wages 3/4 ton status

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    What backspacing should I use for a D60 and 14 bolt ???

    I want to order my wheels today and am unsure what
    backspacing I need on MRT's bead locks,,15x12's
    What does everyone here run?????
     
  2. folkenheath

    folkenheath Worthless Trash Premium Member GMOTM Winner

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    I believe I have 4.75" on 16.5" x 10" wheels with 36 x 14.5" swampers.
     
  3. sled_dog

    sled_dog 1 ton status

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    I think 4.5" is pretty common number. Less backspacing = less grinding on the calipers but you have probably already been through that.
     
  4. 79Stomper

    79Stomper 1/2 ton status Premium Member GMOTM Winner

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    I am running 3 1/2" BS on my 15x12 beadlocks, but 3/4 ton. Have a good 5 or so inches out from the fender with 17x40 Hawgs. Not sure if this helped or not.
     
  5. wasted wages

    wasted wages 3/4 ton status

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    My main concern is the rotor/caliper clearance,,,

    I have already ground down the calipers for the 15x10's.

    will a 15x12 mean more grinding or is the backspacing
    what causes the calipers to need clearance,,,MRT only
    lists up to 4" backspace on their beadlocks,,my 15x10's have 4 1/2"

    will a 4" give me more or less room at the caliper ???

    Confused,,,,
     
  6. Hossbaby50

    Hossbaby50 3/4 ton status

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    The lower the number the less you need to grind. The bigger the number the more you need to grind.

    You need to grind more for a 4" BS rim to fit then a 3" BS rim.

    Harley
     

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