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Can I put 12.5" tires on stock 91 rims?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MousePowrd, May 7, 2003.

  1. MousePowrd

    MousePowrd 1/2 ton status

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    Can I put 12.5\" tires on stock 91 rims?

    My Blazer has the aluminum factory wheels, can I run 32" x 12.5" tires on them, or do I have to get 10.5" tires?

    Thanks
     
  2. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Yes.
     
  3. zcarczar

    zcarczar 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Yes, I put a set of 35x12.50's on my friends stock K5 and it made the tires nice and tall. Should be really hard to loose a bead too.
     
  4. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    Re: Can I put 12.5\" tires on stock 91 rims?

    I'm running 38x13x16in tsl's on 16x6.75in rims and they are fine on them /forums/images/graemlins/smile.gif i even air down to single digits most of the time /forums/images/graemlins/thumb.gif
     
  5. MousePowrd

    MousePowrd 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Thanks, I feel a lot better now. Are they really much wider than 10.5" tires when put on a small rim.
     
  6. gumneck

    gumneck Registered Member

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Tires on my 1991 stock aluminum's are 33x12.50 Pro Comp Mudders and they seem to do fine. They don't give a bulging look to em but they make that rim look small.

    These aren't my tires of choice. Looking to go smaller. Don't need these big-uns for hitting the sands of the OuterBanks.

    Tom
    1991 blzr on blocks
     
  7. Blazer1970

    Blazer1970 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Out of curiosity, are those stock aluminum rims 8 inches wide or what?
     
  8. MousePowrd

    MousePowrd 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    [ QUOTE ]
    Out of curiosity, are those stock aluminum rims 8 inches wide or what?

    [/ QUOTE ]

    Yeah I am curious about this also. I think that I will go with 32" x 12.5 because I have to tow my boat this summer and maybe next, so it would be more difficult with 35's and a 6" lift /forums/images/graemlins/grin.gif
    Not to mention my wife complaining every time we try to get the kid in the car seat /forums/images/graemlins/ignore.gif
     
  9. sdavid

    sdavid 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    I think the aluminum with the round holes are going to be 15x7 and the stock steel ralleys could be 15x8 or 15x7. Check the sticker on your driver's side door. It is in the door jam at the same height as the window.
     
  10. dyeager535

    dyeager535 1 ton status Premium Member

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    Re: Can I put 12.5\" tires on stock 91 rims?

    4wd ralleys are 15x8, 2wd are 15x7. AL I can't remember, but bet its been covered before...
     
  11. MousePowrd

    MousePowrd 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    My door says 15x7, and I have the aluminum rallys, but that I think is for the basic wheels for all Blazers. I may be wrong
     
  12. Poohbair

    Poohbair 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    My brother used to run 15.5" wide Boggers on 8" rims. Hard to get on, but they went and worked fine... So yeah, I think you should be OK.
     
  13. XHitman396

    XHitman396 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    i was told by a fellow CK5'er that the stock aluminum wheels are 15x7, and that is printed on the inside of the wheel....
     
  14. MousePowrd

    MousePowrd 1/2 ton status

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    Re: Can I put 12.5\" tires on stock 91 rims?

    Thanks, I will check it when I rotate my tires
     

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