Speedo Recalibration Options

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  • Tdi Guy
    Low Range
    • Oct 2006
    • 45

    Speedo Recalibration Options

    I have a Ser IIa with an lt77 and lt230 setup.. I would like to get my speedo to be a bit more accurate. it is about 12mph off. DOes anyone recalibrate these?

    Randy
    1984 D-90 Tdi
    71 IIa 88 Perkins Prima Powered
    1995 D-90 SW Tdi #413
    No Gas burner Here............

    Randy
  • Eric W S
    5th Gear
    • Dec 2006
    • 609

    #2
    Nisonger should be able to do so.

    Comment

    • Jim-ME
      Overdrive
      • Oct 2006
      • 1379

      #3
      I agree if Nisonger can't then no one can. You may find it less expensive to buy an inexpensive GPS and use that as your speedo. That is what I do.
      Jim

      Comment

      • Tdi Guy
        Low Range
        • Oct 2006
        • 45

        #4
        I have the gps but it would be nice if it was a bit more accurate. I will try them.
        1984 D-90 Tdi
        71 IIa 88 Perkins Prima Powered
        1995 D-90 SW Tdi #413
        No Gas burner Here............

        Randy

        Comment

        • Jim-ME
          Overdrive
          • Oct 2006
          • 1379

          #5
          GPS a bit more accurate? Doesn't exist. Please explain why you think a GPS isn't as accurate as a recalibrated speedo. There is nothing more accurate for current speed and distance than a GPS unless you can afford a GPS thatr is real time correctable or on military P-code.
          Thanks,
          Jim

          Comment

          • Andrew IIA
            3rd Gear
            • Feb 2008
            • 327

            #6
            Originally posted by Jim-ME
            GPS a bit more accurate? Doesn't exist.
            I think tdi-guy meant that he wanted the speedo to be a little more accurate . My speedo reads hi in the summer and not-at-all in the winter. A have a small gps which gives me speed and a clock.
            Andrew
            '63 SIIA 88" SW

            http://hungrynaturalist.blogspot.com/

            Rover Pics: http://www.flickr.com/photos/skunkal...7610584998247/

            Comment

            • Tdi Guy
              Low Range
              • Oct 2006
              • 45

              #7
              Originally posted by Andrew IIA
              I think tdi-guy meant that he wanted the speedo to be a little more accurate . My speedo reads hi in the summer and not-at-all in the winter. A have a small gps which gives me speed and a clock.
              Sorry. yeah thats what I meant. I want the speedo to be a little closer to the speed. THen it counts the miles a bit better and so on..
              1984 D-90 Tdi
              71 IIa 88 Perkins Prima Powered
              1995 D-90 SW Tdi #413
              No Gas burner Here............

              Randy

              Comment

              • Leslie
                5th Gear
                • Oct 2006
                • 613

                #8
                You mean, the odometer is supposed to work in these things???






                Seriously, mine's originally for the 15" wheels, I've got 7.5x16's on it instead.... but not only is it off, it bounces madly from 0 to 30mph, then stabilizes at about 28 (but I'm really doin' 34 or so by that point....)
                -L

                '72 SIII SW 88"
                '60 SII 88" RHD

                Comment

                • Momo
                  3rd Gear
                  • Dec 2006
                  • 347

                  #9
                  Randy, in the event you are an iPhone 3G user:



                  At $1.99, it's the cheapest most accurate speedometer out there.

                  There are other apps out there too, like top speed and quarter mile calculators, in case you are curious.
                  '60 SII Station Wagon
                  '64 SIIA 109 Regular
                  '68 SIIA 88 Station Wagon

                  Comment

                  • Tdi Guy
                    Low Range
                    • Oct 2006
                    • 45

                    #10
                    That is so cool. I don't have an Iphone though.. But am a Mac user...
                    1984 D-90 Tdi
                    71 IIa 88 Perkins Prima Powered
                    1995 D-90 SW Tdi #413
                    No Gas burner Here............

                    Randy

                    Comment

                    • jp-
                      5th Gear
                      • Oct 2006
                      • 981

                      #11
                      Originally posted by Tdi Guy
                      .. But am a Mac user...
                      That is so sad.

                      Here, take my gun.
                      61 II 109" Pickup (Restomod, 350 small block, TR4050)
                      66 IIA 88" Station Wagon (sold)
                      66 IIA 109" Pickup (Restomod, 5MGE, R380)
                      67 IIA 109" NADA Wagon (sold)
                      88, 2.5TD 110 RHD non-hicap pickup

                      -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

                      Comment

                      • Terrys
                        Overdrive
                        • May 2007
                        • 1382

                        #12
                        The speedo drive gear ratios are different enough, that you won't be able to get a series speedo any closer than it is now. A Defender speedo is the same OD, if you wanted to swap one in, and other than no idiot lights, it will look almost right. If you want to put some Defender speedo guts in your series speedo, I have a set you can have.

                        As for using GPS as a speedo, I would have to argue the accuracy question. The slower you are going, and/or the straighter the direction, the more accurate it will be, but the faster you go, and on multicurved roads, the readout is only going to be a point to point average. The speedo function is withing the guts of the GPS unit, not supplied by the satelite. Speedos, however, aren't worth a cr*p at telling you where you are.

                        Comment

                        • Tdi Guy
                          Low Range
                          • Oct 2006
                          • 45

                          #13
                          Originally posted by jp-
                          That is so sad.

                          Here, take my gun.
                          I love my Mac. Threw all my PC's in the trash..

                          Is it difficult to switch the gears in the speedo? I have had one apart to look inside but that was about it..
                          1984 D-90 Tdi
                          71 IIa 88 Perkins Prima Powered
                          1995 D-90 SW Tdi #413
                          No Gas burner Here............

                          Randy

                          Comment

                          • Terrys
                            Overdrive
                            • May 2007
                            • 1382

                            #14
                            Originally posted by Tdi Guy
                            I love my Mac. Threw all my PC's in the trash..

                            Is it difficult to switch the gears in the speedo? I have had one apart to look inside but that was about it..
                            I'm not suggesting disecting the mechanism, just changing the whole guts out.
                            I don't hate Macs, I just know I can buy 4 PCs for one Mac that Apple will update the week after I bought one. French may be a nice language, but only the French refuse to speak English.

                            Comment

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