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Speedometer correction

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 6.2L Jimmy, Jul 6, 2002.

  1. 6.2L Jimmy

    6.2L Jimmy 1/2 ton status

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    Hi Everyone,

    Does anybody know what gear goes into a 700-r4 tranny
    to correct the speed difference with a truck that has 33x12.5x5 tires and 3.08 gears. Thanks in advance.
    Mike
     
  2. 95 Silverado

    95 Silverado 1/2 ton status

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    there are several websites that have conversion programs to use to calculate that combination. there are two gears in your transfer case that actually drive the speedometer. sometimes you can get by changing just one gear, sometimes you have to change both. you need to know what combination you presently have. if you know someone running the same ratio, tires, you could try the same set-up they are using, if not you will have to calculate it yourself.
     
  3. Thunder

    Thunder 3/4 ton status

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