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Thread: adjusting speedo

  1. #1
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    hey,
    this is a bit a of noob question but i just go a new diff in and i was woundering who adjusts the speed so it is correct now. like a mechanic or engineer.

    thanks.

  2. #2
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    bump

  3. #3
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    Should only need to adjust it if you got a diff with a far different ratio to the original... What was the old and new ratios??

  4. #4
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    the old was standard s series and unshore off new one pretty sure its stock hulix lsd

  5. #5
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    Also interested in this as i am changing rear ratio to 4.1
    RT142 Estate.

    AJPS.

  6. #6
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    There is a tech thread on changing speedo drive gears to match new final drives... I could post link but I'm lazy.

    Johnny Rochester detailed all the combinations and had equation for working it out etc. look through his posts.


  7. #7
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    Winner! chizm
    RT142 Estate.

    AJPS.

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