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| Speedometers were either in kilometers (JDM) or miles (USA). Australia started with mph and then switched to kph. Some speedometers had a trip meter. | Speedometers were either in kilometers (JDM) or miles (USA). Australia started with mph and then switched to kph. Some speedometers had a trip meter. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=2148 http://datsun1200.com/modules/myalbum/photos/thumbs/2148.jpg] Comparo | + | [http://datsun1200.com/modules/myalbum/photo.php?lid=2148 http://datsun1200.com/modules/myalbum/photos/thumbs/2148.jpg] Comparo [http://datsun1200.com/modules/myalbum/photo.php?lid=13742 http://datsun1200.com/modules/myalbum/photos/thumbs/13742.jpg] |
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Revision as of 21:10, 29 July 2007
Speedometers were either in kilometers (JDM) or miles (USA). Australia started with mph and then switched to kph. Some speedometers had a trip meter.
Comparo 
1972 USA Owners manual (see page 8,9 for Speedometer):
Instrument and Controls
Part Numbers
- ?? 100MPH w/o tripmeter (US standard equipment)
-
- ?? 100MPH with tripmeter
-
- 24850-H3400 1200 120MPH SPEEDOMETER Includes tripmeter
-
Speedometer Calibration
There are two basic reasons for speedos reading fast or slow:
- Factory speedometer tolerance is usually 5% fast to 10% slow (this is in general, I don't know what Nissan's specs are)
- 1200 Top Speed discusses this. One magazine test noted the 1200 speedometer in the test car was 7% slow. My 1200s have been between 7.5% - 10% slow (with stock running gear include tire size). Also see speedo off
- Different size tires than original, changed diff ratio or transmission
For the latter, there is a mechanical solution of changing to the appropriate speedo-drive gear at the back of the transmission:
For the former, where you have the "right" size tires, final gear ratio and stock transmission -- the speedometer itself may be calibrated.
Where can you go to get a speedo calibrated? Can it be done at home?
Photo Index
