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205 speedo gear question

Discussion in 'The Garage' started by colbystephens, Aug 19, 2006.

  1. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    so i swapped in a 465/205 in place of my 700/208, and it seems that my speedo is consistently 10 mph slow - not a ratio like i would expect, but at 25, i'm going 35 and at 45, i'm going 55. is the speedo gear in the 205 different from that in the 208 in such a way that this would be the case?
     
  2. pvfjr

    pvfjr 1/2 ton status

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    Well I think the 208's had color coded interchangeable gears depending on your tire sizes and gear ratio's (or was it the 241's ?). 205's aren't the same. As far as I know, you just gotta get one of those speedometer adapters that screw onto the outside of your t-cases speedo output and change the ratio.
     
  3. sandawgk5

    sandawgk5 3/4 ton status

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    208s have a changeable gear but I do not know about 205s. I am interested for when I do my swap though.

    Ira
     
  4. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    is this something most parts stores carry?
     
  5. pvfjr

    pvfjr 1/2 ton status

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    No. You usually have to get them custom made. IIRC, it runs around $80-$100 from a speedometer shop. I have one that is a 1:1 ratio that came on my truck.....don't ask. I can't explain why either.
     

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