Durkis Posted June 19, 2015 Share Posted June 19, 2015 Hi all.Is there any way to calibrate the speedometer on a Windsor deluxe 1951?I have noticed that there is a screw on the cluster backside, the speedo shows like 5-6 mph to little or about ten kilometers to little. It's not a big problem...ThanksLars Link to comment Share on other sites More sharing options...
keiser31 Posted June 19, 2015 Share Posted June 19, 2015 (edited) Do you have the correct size tires? If changed to different wheel or tire, the mph would indicate a change. You may have to contact someone who calibrates speedometers. Edited June 19, 2015 by keiser31 (see edit history) Link to comment Share on other sites More sharing options...
c49er Posted June 19, 2015 Share Posted June 19, 2015 The transmission speedometer pinion gear could be the wrong tooth count too.Tire size as mentioned is most likely. Link to comment Share on other sites More sharing options...
Durkis Posted June 19, 2015 Author Share Posted June 19, 2015 Well, in my shop maual it says 7,60*15 and when I convert that to metric it says 225*75*15 an that is what I have.The speedo scale is not mph it is km/h so I dont know if there is anything changed when they did the switch.I can live with this "problem" I am just curious if it is a quick fix.Thanks for the fast replyLars Link to comment Share on other sites More sharing options...
Rusty_OToole Posted June 20, 2015 Share Posted June 20, 2015 The fix is to change the speedo drive gear. Remove the speedo cable from the transmission and the gear will be on the end of the cable. They make different drive gears. Link to comment Share on other sites More sharing options...
Guest MORRISGAUGE Posted July 19, 2015 Share Posted July 19, 2015 Speedometers are calibrated to a standard ratio and any adjustment for differences in running gear is performed by changing out the speedometer drive gear. That being said, speedometers do lose magnetism and come out of calibration over time. I recommend having your speedometer serviced (cleaned/calibrated) every 10 years as regular maintenance. www.morrisgauge.com Link to comment Share on other sites More sharing options...
JACK M Posted July 20, 2015 Share Posted July 20, 2015 You also may go to a good speedometer shop. They can build you a small gizmo that goes between the tranny and the cable, its a little gear box. You will need to get accurate measurements of speed that you are traveling vs the speed that is actual. Link to comment Share on other sites More sharing options...
Durkis Posted July 20, 2015 Author Share Posted July 20, 2015 I gotta look into that Jack M.I dont think there is anyone here in Sweden that can adjust that kind of speedometer.Thanks for the answers.Lars Link to comment Share on other sites More sharing options...
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