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Dumb question alert! Stock wheel size for '73 K5

Discussion in '1973-1991 K5 | Suburban | Truck' started by stu454, Oct 9, 2003.

  1. stu454

    stu454 1/2 ton status

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    Dumb question alert! Stock wheel size for \'73 K5

    I reviewed the Tire Fitment table in the the articles and I just wanted to confirm that the stock wheel size for the '73 K5 is 31x10.5. Also, does that mean that the wheel is 10.5" wide? (Yeah, I know I should know that!) Lastly, would a tire that is, for example, 35x10.5x15 fit that wheel?

    Thanks for helping me out.

    Newbie out.
     
  2. atlantak-5er

    atlantak-5er 1/2 ton status

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    Re: Dumb question alert! Stock wheel size for \'73 K5

    That is the stock tire size. I belive the stock wheel size is 15"x7" or 15"x8". Someone correct me if i am wrong. BTW 31" is the tire's diameter and 10.50 is the tire's width (both in inches).
     
  3. Thunder

    Thunder 3/4 ton status

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    Re: Dumb question alert! Stock wheel size for \'73 K5

    They didn't even make 31x 10.50 x15 tires in 1973.
    Back then they used mostly letters like H 78 15
    Truck tires were 700x15 6 ply tube type. You could get a K5 with 16" or 16.5" wheels/tires also.
    All standard rims were 6" wide
    There were wide tires made for trucks like 10 x15 and 11x15 but height was not listed.You usually needed wider aftermarket rims for those.
    Most all tires were bias ply not radial.
    Here's the orginal spec sheet for 73 Blazer
    73 Blazer Specs(clicky)
    It lists all the tires and wheels+rim widths you could get from GM for the K5 in 73
     
  4. doctor4x4

    doctor4x4 1/2 ton status

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    Re: Dumb question alert! Stock wheel size for \'73 K5

    Great link Thunder
    Thanks alot put it in my k5 info folder /forums/images/graemlins/thumb.gif
    do you have more of em ??? 4 different years ??
     
  5. Thunder

    Thunder 3/4 ton status

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    Re: Dumb question alert! Stock wheel size for \'73 K5

    Here's links to every year. There listed on the left side of the page.
    http://brochures.slosh.com/

    PS. You can also find this link in the "Colorado K5s Links List" At the head of this forum. Check it out. There is tons of info there. /forums/images/graemlins/thumb.gif
     
  6. imiceman44

    imiceman44 1 ton status

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    Re: Dumb question alert! Stock wheel size for \'73 K5

    [ QUOTE ]
    They didn't even make 31x 10.50 x15 tires in 1973.
    Back then they used mostly letters like H 78 15
    Truck tires were 700x15 6 ply tube type. You could get a K5 with 16" or 16.5" wheels/tires also.
    All standard rims were 6" wide
    There were wide tires made for trucks like 10 x15 and 11x15 but height was not listed.You usually needed wider aftermarket rims for those.
    Most all tires were bias ply not radial.
    Here's the orginal spec sheet for 73 Blazer
    73 Blazer Specs(clicky)
    It lists all the tires and wheels+rim widths you could get from GM for the K5 in 73

    [/ QUOTE ]

    My 73 had the optionnal 11x15 tires and the optionnal 8.25" wide wagon wheel style rim. It was all factory and it had every imaginable factory option. It was the Cheyenne.
    Although most blazers of that era I have seen had the skinny 5" steel rim and the H78 tire.


    Oh and no you don't need a 10" rim to fit a 10.5 inch wide tire.

    I had that combo for a while, and although it looks cool, it poped beads a lot.
    8" rim with a 10.5 inch tire is more than enough, it was even better with the 7" rim.
     

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