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[Datsun 1200 encyclopedia]

Speedometer

From Datsun 1200 Club

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Category: Body Electrical System

Speedometers were either in kilometers or miles. Australia started with mph and then switched to kph via sticker overlays. Some speedometers had a trip meter.

Contents

Overview

1972 USA Owners manual

Page 08   Page 09
th_08.jpg   th_09.jpg
Instrument and Controls

Comparo
2148.jpgAlbum click to view

MPH speedo is also marked in KPH ranges on the very edge, which is partly visible when installed. 13742.jpgAlbum click to view

Also See:
* Cluster Gauge
* Dashboard

Variations

STD bar gauge

STD speedometer was a rectangular type. GL & GX used round gauges. DX varied.
1085.jpgAlbum click to view

Round gauge

24850-H1816 100MPH w/o tripmeter (AUS/USA standard equipment)
10675.jpgAlbum click to view

?? 100MPH with tripmeter
571.gifAlbum click to view

1973 5mph marks
2028.jpg

24850-H3400 1200 120MPH SPEEDOMETER Includes tripmeter
25954.jpgAlbum click to view 6551.jpg

140 kph
1300060168_177086830_11-DATSUN-SADO-.jpgPost click for topic

160 kph
15621.jpg

160 kph late
2729.jpg

GX - 180 kph
d2.jpg

#Facelift GX - 180 kph
22.jpg

Matsuoka - 240 kph
26445.jpgAlbum click to view

B140 2008
26989.jpgAlbum click to view 174_589e901cb017b.jpgPost click for topic

Facelift GX

Gauges changed for the 1972 minor facelift in Japan. As before the GX speedometer went to 180km/h instead of the regular 160km/h. As with all 1972s it had the speed warning sensor.

22.jpg 21084.jpgAlbum click to view 174_5d61ac9394fe3.jpgPost click for topic

18701.jpgAlbum click to view 18702.jpgAlbum click to view

Part Numbers

Round

USA
24850-H1816 ASSY-SPEEDOMETER 100MILE/H [With 20 mph markings]
24850-H7000 ASSY-SPEEDOMETER 100MILE/H From 7/72 [With 10 mph markings]
24850-H3400 120MPH SPEEDOMETER Includes tripmeter
JDM Sunny Truck
24850-G1670 SPEEDOMETER ASSY 7804- [Round]

Rectangle

JDM Sunny Truck
24850-G1000 SPEEDOMETER ASS'Y (up to '72-6)
24850-G1001 SPEEDOMETER ASS'Y (from '72-7 for speed buzzer) > 24850-G1000
24850-G1002 SPEEDOMETER ASS'Y (from '72-12 for intermittent buzzer) > 24850-G1001
24850-B8600 SPEEDOMETER ASSY 7510-7803 [Rectangle]
JDM Meter Kaku (Bar Gauge)
Through '70 Dec
 24850-H1000 ASS'Y-SPEEDOMETER Std
 24850-H1100 ASS'Y-SPEEDOMETER S-Dx, VDT [Van Super-Deluxe T]
 * with trip meter
From '71 Jan
 24850-H1001 ASS'Y-SPEEDOMETER S-Std
 24850-H1101 ASS'Y-SPEEDOMETER S-Dx
 * with trip meter
 24850-H1410 ASS'Y-SPEEDOMETER VS,VP [Van Standard, Van Deluxe]
 24850-H1401 ASS'Y-SPEEDOMETER VDT
 * with trip meter

H10 ? - all red lamps
8400.jpgAlbum click to view

MPH Rectangle - 0-100 Miles Per Hour
10290_4a2f72d1a2c39.jpgUpload click to view

B86 - Blue H.B. lamp + yellow/red zones
25031.jpgAlbum click to view

KPH+MPH
277_4c0264d7b3d4a.jpgUpload click to view

Metric-Imperial Conversion

Sometimes on eBay Australia you can get the vintage conversion stickers.
923.jpgAlbum click to view 5362.jpgAlbum click to view

OR

print this on plain paper at 125%, for a test fit. If you like it, print on sticker stock then apply to the speedometer
1101.jpgAlbum click to view

OR

Take the face plate and scan it on the flatbad scanner, then modify it. Finally, print a new one out with the photo printer. You can modify the font, colors, etc. You might think you can simply bolt it to the speedo using the standard screws, but it will not lay flat. Adhesive paper (sticker paper) will work
15393.jpgAlbum click to view

Speedometer Calibration

It is normal for the speedometer to read fast. The specified tolerance is +5% -10%. So at actual 60mph it can read 57 to 66 and still be acceptable. But you can blueprint the speedometer to be closer to the actual speed.

Speed Buzzer

Starting in 1972, all JDM speedometer came with speed switch for warning of excess velocity.

Amplifier Speed Switch

1972 Japan, Australia late utes and 1973 USA used a speed switch.

13695.jpg 20090615145339DSC07168x.jpg

Alternatives

Possible fit: POST Smith's guage from a Triumph
10754.jpgAlbum click to view

VDO
11799.jpgAlbum click to view

220km/h coversion from Matsuoka-M
174_5ce20bfaa0bb6.jpgPost click for topic

Custom Faces

See main article Custom Dash Faces

th_speedo_x_th.jpg

Z Speedometer

280Z speedometer fits in the 1200 dash cluster.

001.jpg

  1. Swap the mounting cups as the 280Z unit is deeper
  2. Drill a hole for the trip meter shaft through the back
  3. The face is to large for the opening in the 1200 housing, so carefully reduce the diameter by 1/8 inch

350Z speedometer looks a similar size.
14499.jpgAlbum click to view

Electronic Speedometer

Yes, you can fit an electronic speedometer into a 1200.

See Main Article: Electronic Speedometer

7813.jpg

Speedometer Cable

See Main Article: Speedometer Cable

Drive Ratios

See Main Article: Speedometer Gears

15669.jpg 19T.jpg

Photo Index

Also see: 
* Square Dash Photo Index
* Round Dash Photo Index

2192.jpgAlbum click to view 2729.jpgAlbum click to view 5043.jpgAlbum click to view 8881.jpgAlbum click to view 10934.jpgAlbum click to view 10935.jpgAlbum click to view 12944.jpgAlbum click to view 13092.jpgAlbum click to view

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This page has been accessed 46,289 times. This page was last modified 03:47, 23 October 2019. Content is available under Datsun 1200 Club.