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ratio box for 40" tires???

Discussion in 'The Garage' started by Disciples Performance, Jun 18, 2006.

  1. Disciples Performance

    Disciples Performance 1/2 ton status

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    Location:
    Kelowna BC, Canada
    :confused: hey guys my buds 79 3/4 ton is on 40" MTR's now is there anyone who makes an aftermarket ratio box so the speedo will read correctly???

    Thanks
     
  2. mike n

    mike n 1/2 ton status

    Joined:
    Oct 9, 2003
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    Location:
    New York
    Don't know what rear gears you have, but on my old 79 3/4 ton with 40" Gumbos and 4.88 gears, I deleted the ratio box and screwed the speedo cable directly into the transfer case and the speedo was accurate.
     

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