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higher speed gauge?

Discussion in 'XJ DIY How-To Instructions' started by darren ditmar, Jan 13, 2015.

  1. darren ditmar

    darren ditmar Member

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    82 xj550 any suggestions the 80mph limit just isnt cutting it
     
    darren ditmar, Jan 13, 2015
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  2. dizzycow

    dizzycow Member

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    I asked about this in another thread and someone told me that it's hard to do because the speedo is geared to go up to 80mph so there would be some serious modification involved to get the same speed to go up to whatever the top speed is. May i suggest getting a bicycle speedometer and strapping it to the handle bars.
     
    dizzycow, Jan 13, 2015
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  3. darren ditmar

    darren ditmar Member

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    i had not thought of that lol i have one i will try and see if it doesnt fly off


    it will only get me another 10mph though
    :cool:
     
    darren ditmar, Jan 13, 2015
    #3
  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Last edited: Jan 13, 2015
    k-moe, Jan 13, 2015
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    dizzycow likes this.
  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Most bicycle speedometers will accurately display up to 200 MPH.
     
    k-moe, Jan 13, 2015
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  6. darren ditmar

    darren ditmar Member

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    my one says it only goes to 100
     
    darren ditmar, Jan 14, 2015
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  7. FtUp

    FtUp Well-Known Member

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    another possibility is to have a ratio adapter installed in the speedo cable. I just spoke to a guy at west valley instruments in cali that said he could install one in my cable for less than $100 if I send him a cable. that would make our 80mph speedos 130mph speedos. probably the easiest way to get around the 80mph limitation.

    in case anyone is interested in talking to the guy at west valley instruments, here is the number. 818 758 9500

    FU
     
    Last edited: Mar 1, 2015
    FtUp, Jan 15, 2015
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  8. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    What does he charge for a new faceplate to go with the correction gearbox?
     
    k-moe, Jan 15, 2015
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  9. FtUp

    FtUp Well-Known Member

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    dunno, I didn't ask. but considering the work they do, they could probably do it. you might want to contact them yourself.

    http://westvalleyinstruments.com/

    FU
     
    Last edited: Mar 1, 2015
    FtUp, Jan 15, 2015
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  10. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Thanks for the info.
     
    k-moe, Jan 15, 2015
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  11. 4nik8r

    4nik8r Active Member

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    I have a Canadian one that is in good mechanical shape and properly geared to 220 kph (140 mph), but it reads kph as the primary (outside) and miles as the minor (inside). It would work for you, but you would want to use your existing needle and perhaps (optional) source that faceplate.

    Let me know if you are interested in it.
     
    4nik8r, Jan 15, 2015
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  12. Polock

    Polock Well-Known Member

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    it's been awhile since i had a analog speedo but isn't there a pin that stops the needle? snip it off.
    and a bicycle speedo doesn't have a light in it :(
     
    Polock, Jan 15, 2015
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  13. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    The stop is there to keep the speedometer from damaging the very fine spring that controls the accuracy of the speedometer. I don't know which bicycle speedometers y'all are using, but my $11 Bell reads to 200 MPH (bench tested) and has a backlight. I'd shop around to find one with that functionality.
     
    k-moe, Jan 15, 2015
    #13

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