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speedo q's

Discussion in 'Tires & Wheels' started by N2MUDN91, September 26, 2002.

^^Searches ExplorerForum.com^^
  1. N2MUDN91

    N2MUDN91 Active Member

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    would puttin 31's on a stock 98 limited make the speedo lie ? just wondering
     
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  3. Robert

    Robert Well-Known Member

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    Yes
     
  4. Crankcase

    Crankcase Moderator Emeritus Moderator Emeritus

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    Run a search on "changing speedo gears" for all you need to know.......
     
  5. explorer4x493

    explorer4x493 Active Member

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    bigger tires will make your spedometer think you're going slower than you really are...
     
  6. addkev

    addkev Well-Known Member

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    That is a good question...
    I know for a fact that my speedo changed, but when I drive past the radar carts that show your speed, my speedo is right on the money. So was it off to begin with or do they come a little slow anyways???
    That is the question.
    Here is alink to check your ratio, from a 235/75 to a 31" it is a 7% change.
    http://home.attbi.com/~cboug/Tire_Gear_Calculator.htm
     
  7. Alec

    Alec Elite Moderator Moderator Emeritus

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    Most stock speedos (for all cars) come from the factory reading a little off, usually 2-3 mph at 70. They always read fast, I guess to be on the safe side.
     
  8. aldive

    aldive Elite In Memoriam

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    My last two trucks were right on for speed and distance as measured by GPS.
     
  9. addkev

    addkev Well-Known Member

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    You are gonna trust a Government satelite?:D
     
  10. aldive

    aldive Elite In Memoriam

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    You bet your arse I am. And there is not "a" satelite, there is a constellation of 24.

    Further, I trust them to find my dive sites every day. Imagine trying to locate a 100 sq ft area in 110 feet of water 30 miles offshore with out the birds.

    I have position accuracy of less than 10 feet.

    Yes I trust them.....
     
  11. addkev

    addkev Well-Known Member

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    I was just yankin' your chain.
     
  12. aldive

    aldive Elite In Memoriam

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    Thats cool, my friend.
     
  13. jssong

    jssong Well-Known Member

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    aldive.. what GPS do u use?
     
  14. aldive

    aldive Elite In Memoriam

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    Garmin UU plus in the trucj and Northstars Differentials in the boats.
     






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