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Ratio ??

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Confederate9, May 31, 2001.

  1. Confederate9

    Confederate9 1/2 ton status

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    where is a chart to calculate what gear ratio i would need for 4inch lift and 35's

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    <font color=red>K5: Because size DOES matter</font color=red>
     
  2. muddin4fun

    muddin4fun 3/4 ton status

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    Go to <A target="_blank" HREF=http://www.4lo.com>http://www.4lo.com</A>. [​IMG]


    <font color=red>I'm a psychic amnesiac. I know in advance what I'm going to forget. </font color=red>
     
  3. gokartergo

    gokartergo 3/4 ton status Staff Member Moderator

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    Or <A target="_blank" HREF=http://www.ring-pinion.com/>http://www.ring-pinion.com/</A>
     
  4. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Confederate,
    Auto tranny with O/D?
    All dirt or some street?
    My diffs are being built with 4.10s for my 35's. I do quite a bit of driving on the road.
    Dave
     
  5. 90K5

    90K5 1/2 ton status

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    You'll probably want 4.56's

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  6. ftn96

    ftn96 1/2 ton status

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    Here you go....
    <A target="_blank" HREF=http://www.intercotire.com/calculators/tire-change.htm>http://www.intercotire.com/calculators/tire-change.htm</A>

    Steve Fox for President, 2004.
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  7. Confederate9

    Confederate9 1/2 ton status

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    yeah auto tranny w/ cruise and od etc...
    well its a daily driver but also wheein on weekends
    what would happen if i didnt change them

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  8. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Do you know your current ratio? Probably ok to drive it normally but be careful towing. And obviously not as good for wheelin. For wheelin mine has been ok cuz of the low 1st and torque convertor and the 2.7:1 transfer case (mine is the NP241 and I think yours is the 231???)
    At worst you could have 3.08s and a t best 3.73s. OD will be completely unusable. Also each gear change is a larger RPM jump - tough on trannies and engines.
    Dave
     
  9. Confederate9

    Confederate9 1/2 ton status

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    well i am going to look in the morning what ratios i have, cant go now cuz the house alarm is on [is 115 where i am] and well i jsut got the tranny rebuilt.
    also i never drive in OD anyways.
    so i think ill be good.

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