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Car Forum / MINI / December 2003Offset Speedometer conversion
Is it possible to remove a newer/offset 3 clock instrument panel and convert the wiring to use an older centre binnacle? Essentially, can the wiring harness be adapted to use the older clocks and everything work as normal (speedometer calibration the exception)? The old instrument panel is in good shape and seems to be complete and I would like to switch it over. Any have experience with doing something like this? Thanks in advance. - Jon Yes. Get one from a scrap yard - make sure you take the speedo cable. You can buy a kit too but they are a bit pricey for what they are. The Muffin Man > Is it possible to remove a newer/offset 3 clock instrument panel and > convert the wiring to use an older centre binnacle? Essentially, can [quoted text clipped - 6 lines] > > Thanks in advance. - Jon > Yes. Get one from a scrap yard - make sure you take the speedo cable. > You can buy a kit too but they are a bit pricey for what they are. > > The Muffin Man Other things - which I was just thinking of. The 3 clock dash has an 'electric' oil pressure light not mechanical guage. The 3 clock dash has a tacometer - centre one doesn't... You'll need to create a new hole in the bulkhead for the speedo cable.. Speedo will probably need to be recalibrated. Does the centre speedo fit under the larger top dash rail on the 3 clock speedo cars? :) - Just thinking outloud. > Is it possible to remove a newer/offset 3 clock instrument panel and > convert the wiring to use an older centre binnacle? Essentially, can [quoted text clipped - 6 lines] > > Thanks in advance. - Jon It does become a problem in that you have to sort the wires and extend them - we used a clubman harness in a round front - ended up buying a multi plug of 15? pins soldering in to the clubman harness - then sorted out the round front centre binnacle and wired the other half into that so that it could be removed in one piece. rm > (speedometer calibration the exception)? > Any have experience with doing something like this? Somewhere on the face of the existing speedo there will be a number in fine print. Probably 4 digits, certainly something ebtween about 800 and 2000, probably about 1400. This is the speedo calibration number, it's the number of turns of the speedo cable to make it indicate one mile (or one kilometre if it's metric). If you can find a replacement speedo with the same calibration number it will save you a lot of stuffing about. yes but center speedo needs 10" wheels > Is it possible to remove a newer/offset 3 clock instrument panel and > convert the wiring to use an older centre binnacle? Essentially, can [quoted text clipped - 6 lines] > > Thanks in advance. - Jon > yes but center speedo needs 10" wheels Why? Does it interfere with the 12" wheels when you steer full left lock or something? the speedo will be calibrated for 10" wheels, so when you put it in a car with 12s or 13s it will read slower than you are actually going - thus needing to be recalibrated by someone - such as SPEEDY CABLES - damn good. > > yes but center speedo needs 10" wheels > > Why? > > Does it interfere with the 12" wheels when you steer full left lock or > something? > the speedo will be calibrated for 10" wheels, so when you put it in a > car with 12s or 13s The difference between 10" wheels running 145's or 165/70's and a 12" wheel running 165/60's is 3% - not enough to worry about. In fact 3% is also the difference between a brand new tyre and one that'll need replacing soon. 13" are bigger unless you are using very low profile tyres. Shaun. At the beginning, I wrote: >>>> Somewhere on the face of the existing speedo there will be a number in >>>> fine print. Probably 4 digits, certainly something ebtween about 800 and >>>> 2000, probably about 1400. This is the speedo calibration number, it's >>>> the number of turns of the speedo cable to make it indicate one mile (or >>>> one kilometre if it's metric). If you can find a replacement speedo with >>>> the same calibration number it will save you a lot of stuffing about. But then Jacko cut that when he wrote: > > > yes but center speedo needs 10" wheels > > Why? > > Does it interfere with the 12" wheels when you steer full left lock or > > something? > the speedo will be calibrated for 10" wheels, so when you put it in a car > with 12s or 13s it will read slower than you are actually going - thus > needing to be recalibrated by someone - such as SPEEDY CABLES - damn good. Modern 12" wheels and radial tyres are very close to the same outer diameter as 10" wheels and 5.20x10" crossplies. But rather than conjecture, check the current speedo calibration number (and the accuracy of the current odometer) and look for one the same in the other shape/size. If you can't find one, get a price to change what you can get. You don't need to spend a penny until you've found out if you can get what you need. > > yes but center speedo needs 10" wheels > > Why? > > Does it interfere with the 12" wheels when you steer full left lock or > something? :D The Muffin Man |
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