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Need Backspacing Help!

Discussion in 'The Garage' started by LEEREED123, Apr 17, 2007.

  1. LEEREED123

    LEEREED123 1/2 ton status

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    i want to put 36x13.50x15 Iroks on 15x10 rims on my 91 blazer with 4 inch lift.
    what offset or backspacing will i need so that i can still turn it? lol
    i plan on doing minimal cutting on my fenders.
    thanks guys!
     
  2. LEEREED123

    LEEREED123 1/2 ton status

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    BUMP!!!!
    PLEASE help!
     
  3. Beast388

    Beast388 1/2 ton status

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    Well, I can't give you a definitive answer, but I can tell you that the more backspacing you have (larger number) the more tucked in the tires will be. So, having a BS of 4.25" will make the track narrower than say a 2.5" BS.
     
  4. LEEREED123

    LEEREED123 1/2 ton status

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    so I'll need a negetive backspace to make sure that i dont scrub on the inside? any idea what size backspacing guys are running with 35' tires on 15x10's?
     
  5. Beast388

    Beast388 1/2 ton status

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    My rims have 4.25" BS.;)
     
  6. mechted

    mechted 1 ton status Premium Member

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    my 73 has a 4" lift and 35s on 4.25" BS without any issues.... you should be fine with anything from 2.5 to 4.5 BS
     
  7. LEEREED123

    LEEREED123 1/2 ton status

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    thanks guys. i didn't want to buy the rims and mount them and not be able to send them back.
     
  8. Beast388

    Beast388 1/2 ton status

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    Here are the pics of my rims that you asked for in your PM.:D

    112_1208.JPG

    112_1252.JPG
     

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