- Smiths Chronometric Speedometer Serial Numbers Lookup
- Smiths Chronometric Speedometer Serial Numbers
- Smiths Chronometric Speedometer Serial Numbers List
- Smiths Chronometric Speedometer Serial Numbers Chart
The variety of speedometers fitted to the MGB is a common source of confusion, especially in relation to the fairly common practise of swapping O/D and fully synchronized transmissions into MGBs that didn't originally have them. This will consequently cause the speedometer and odometer to read too high or too low, not an ideal situation.
Smiths Chronometric Speedometer Serial Numbers. Speedometers Email Tel +44 (0) 1 SPEEDOMETERS UP TO 1964 Regarding Smiths speedometers a major change was made in 1964 Pre 1964 machines fitted the following. The larger 3' instrument was of the Chronometric type. This in reality is a two in one clock a speed recorder and a distance recorder. Smiths Chronometric Speedometer Serial Numbers Magic Bullet Suite 11 Mac Torrent Pinnacle Studio 11 Pal Keygen Generator Tuneskit Apple Music Converter For Mac Crack Pdr Exe Has Stopped Working Enable Tls 1.2 On Opera For Mac Omnisphere Challenge Code Keygen For Mac. From my description, please let me know what you found, and the speedometer serial number and the make/year of your car. I want to hear everything! Please email me at ARhodes@compuserve.com. Please refer to the photographs on a separate page of my website. These ought to assist greatly with understanding the workings of the speedometers. Antonio Zoli Shotgun Serial Numbers What Is The Newest Version Of Excel Powerpoint For Mac 2011 Add Equation Internet Explorer For Mac 10.9 5 Smiths Chronometric Speedometer Serial Numbers Window 7 Window Media Player Tamil Typing Software Free For Windows 7 32 Bit Delux Mouse Driver For Mac.
'Revs' in the table below referrs to the turns-per-mile (TPM) the speedo expects to receive from the transmission via the speedometer cable. The TPM of your speedo should be printed somewhere on the face, along with a serial number.
Any variation in tire size from original specifications will of course also have an effect on the accuracy of your speedometer. See the discussion on tires and tire sizes in the Service section of the Tech Library on this website for more information on this topic.
The NAMGBR also has a cross reference table from car numbers to speedometer serial numbers by Orin Harding. [Ed. Note- this link seems to have gone MIA, so I've duplicated the table below.]
KMR reports that if you have a setup that doesn't correlate to any existing speedometer type, Nisonger can put a new faceplate on your speedometer, and recalibrate that way. Check the Directory section of this website to find a list of companies that provide Smiths and Jaeger instrument servicing.
Tooth count (transmission):
- Overdrive - 21
- Normal - 27
Thanks to Bruce Mills for scanning and submitting in this chart - it's a lot more complete than the chart I was building!
Smiths Chronometric Speedometer Serial Numbers Lookup
MGB Smiths Speedometer Range and Turns-per-mile (Revs) Reference Chart
MGB Speedometer Cross Reference Chart
Smiths Chronometric Speedometer Serial Numbers
by Orin Harding, NAMGBR
Smiths Chronometric Speedometer Serial Numbers List
The information displayed here is from MGB Driver, the MG Mailing List, on the Internet, or other sources. The North American MGB Register assumes no liability for the accuracy, safety, or legality of these contributions. Any opinions expressed here are those of the contributors and do not necessarily reflect the opinions or policies of the North American MGB Register.
Smiths Chronometric Speedometer Serial Numbers Chart
Start End Car # Car # | Part No. | Speedo S/N | M/KPH | Trans | Notes: |
---|---|---|---|---|---|
101 - 138400 | NotGermany | ||||
BHA 4478 | 6125/04 | MPH | STD | ||
BHA 4478 | 6124/04A | MPH | STD | ||
BHA 4478 | 6124/00 | MPH | STD | ||
BHA 4479 | 6125/05 | KPH | STD | ||
BHA 4479 | 6125/05A | KPH | STD | ||
BHA 4479 | 6144/01 | KPH | STD | ||
BHA 4480 | 6125/06 | MPH | O/D | ||
BHA 4480 | 6125/06A | MPH | O/D | ||
BHA 4480 | 6144/02 | MPH | O/D | ||
BHA 4481 | 6125/07 | KPH | O/D | ||
BHA 4481 | 6125/07A | KPH | O/D | ||
BHA 4481 | 6144/03 | KPH | O/D | ||
101 - 138400 | Germany | ||||
BHA 4574 | 6144/05 | MPH | Tire size 560-14 | ||
BHA 4636 | 6144/15 | KPH | Tire size 560-14 | ||
BHA 4637 | 6144/13 | KPH | Tire size 155-14 | ||
BHA 4638 | 6144/14 | KPH | Tire size 165-14 | ||
138401 - 153877 | Canada | ||||
138401 - 332925 | Not USA, Sweden, Germany, orV8 | ||||
BHA 4707 | 6144/20 | MPH | STD | ||
BHA 4709 | 6144/21 | KPH | STD | ||
BHA 4812 | 6144/23 | MPH | O/D | ||
BHA 4813 | 6144/24 | KPH | O/D | ||
138401 - 158230 | Not USA, Sweden, Germany, orV8 | ||||
BHA 4707 | 6144/20 | MPH | Auto | ||
BHA 4709 | 6144/21 | KPH | Auto | ||
158231 - 328800 | Not USA, Sweden, Germany, orV8 | ||||
BHA 4868 | 6144/28 | MPH | Auto | ||
BHA 4869 | 6144/29 | KPH | Auto | ||
332395 - 361000 | Market Unknown | ||||
BHA 5279 | 6144/20BS | MPH | STD | ||
BHA 5280 | 6144/21BS | KPH | STD | ||
BHA 5281 | 6144/23BS | MPH | O/D | ||
BHA 5282 | 6144/24BS | KPH | O/D | ||
360301 - 410350 | Market Unkown | ||||
BHA 5339 | 5230/13 | MPH | |||
BHA 5340 | 5230/14 | KPH | |||
187211 - 258000 | Sweden & Germany | ||||
BHA 4924 | 5227/20 | KPH | STD | ||
BHA 4925 | 5227/22 | KPH | O/D | ||
BHA 4926 | 5227/24 | KPH | Auto | ||
258001 - 410000 | Sweden & Germany | ||||
BHA 5087 | 5231/08 | KPH | O/D | ||
BHA 5164 | 5231/95 | KPH | O/D | ||
138401 - 2580000 | USA, USA for Germany &Canada | ||||
37H 3766 | 5226/05 | MPH | STD | ||
37H 3766 | 5226/03 | MPH | STD | ||
37H 3766 | 5227/07 | MPH | STD | ||
37H 3768 | 5226/08 | MPH | O/D | ||
37H 3778 | 5227/12 | MPH | O/D | ||
37H 4180 | 5227/16 | MPH | Auto | ||
258001 - 282419 | USA, USA for Germany &Canada | ||||
BHA 5084 | 5231/00 | MPH | STD | ||
BHA 5086 | 5231/04 | MPH | O/D | ||
282420 - 410000 | USA, USA for Germany &Canada | ||||
BHA 5161 | 5230/065 | MPH | STD | ||
BHA 5163 | 5230/085 | MPH | O/D | ||
BHA 5210 | 5230/11S | MPH | V8 (Except police) | ||
Change point unknown, but after car # 410000 | |||||
AAU 3035 | 5234/00 | MPH | RHD | ||
AAU 3036 | Z 65465 | MPH | RHD Police | ||
AAU 3027 | 5373/00 | MPH | LHD |