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need bias ply conversion - ? for old timers

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by solowookie, Dec 14, 2001.

  1. solowookie

    solowookie 1/2 ton status

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    OK guys... I'm thinking none of the younger guys are gonna know this...

    how big is a 700, a 750, and a 900 bias ply tire??? (I can't find a conversion chart anywhere

    <font color=blue> Jeff - may the force be with you</font color=blue>
    <a target="_blank" href=http://coloradok5.com/gallery/Jeffs-Stuff>link to k5's</a>
     
  2. Thunder

    Thunder 3/4 ton status

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    If i rember right those numbers denote tread width 7.00" 7.50 " ect.
    I rember my old 750x16 tires were just less than 8" wide. They were about 32" tall


    <P ID="edit"><FONT class="small">Edited by Thunder on 12/14/01 09:46 PM.</FONT></P>
     
  3. solowookie

    solowookie 1/2 ton status

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    yea these are measurements for 16" wheels. just curios what the height is, but that will definately give me the width.

    <font color=blue> Jeff - may the force be with you</font color=blue>
    <a target="_blank" href=http://coloradok5.com/gallery/Jeffs-Stuff>link to k5's</a>
     
  4. SlyDog

    SlyDog 1/2 ton status

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    Guess I'm not an old timer since I don't know [​IMG][​IMG]

    <font color=green>[​IMG]1977 K5 GETTIN IT AWN[​IMG]</font color=green>
    BUILT NOT BOUGHT
     
  5. solowookie

    solowookie 1/2 ton status

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    32" is a pretty tall tire isn't it???

    <font color=blue> Jeff - may the force be with you</font color=blue>
    <a target="_blank" href=http://coloradok5.com/gallery/Jeffs-Stuff>link to k5's</a>
     
  6. prjt_blzr

    prjt_blzr 1/2 ton status

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    I think that the 7.00 and 7.50 are about 31" tall and the 9.00 is about 33" tall.
     
  7. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    As far as I recall all those older Bi-ply's had an aspect ratio of 78. So a 9.00 x 16.5 would have a sidewall height of 7.02", a section width of 9" and a total height of 30.54" with a 16.5" rim.

    I used a set of ghetto 9.50x 16.5's when I swapped my 3/4 ton axles and they were almost 31" tall.

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
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  8. K5Jimmy

    K5Jimmy 1/2 ton status

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    I'm Thinkin' those old 9.00x15, etc had an aspect ratio that was sorta different than the later 78 ratio....those 900's came on Roadmasters and Caddys, and were considered a "big" tire for their day.....the Plymouth and Chrysler my Dad and Granddad drove wore 7.50x14, and the tread on those was Maybe all of 4" wide......I don't think a 900x15 was over 31" tall......I know I ain't much Tech help, but just thinkin' about those old sizes sure brings back memories......Thanks for the Jolt....(LOL)....

    Stuck?...Hell no..I still got some gas left..
     
  9. Thunder

    Thunder 3/4 ton status

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    Here ya go Solo I found a chart for those old tire sizes:
    <a target="_blank" href=http://www.bridgestone-usa.com/products/DTTLTtec.htm>http://www.bridgestone-usa.com/products/DTTLTtec.htm</a>
     
  10. solowookie

    solowookie 1/2 ton status

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    cool, thanks thunder! definately translates everything correctly!

    <font color=blue> Jeff - may the force be with you</font color=blue>
    <a target="_blank" href=http://coloradok5.com/gallery/Jeffs-Stuff>link to k5's</a>
     

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