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bamnfi
PostPosted: Thu Jul 31, 2014 4:47 pm 
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With a change in diff ratio my speedo has me at about 35mph when I know I am ranging down the freeway at at least 100kph.
With the re-build a different diff ratio was used.

Is there any way to get the speedo re-calibrated to be within cooee of real speed?

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Mackie
PostPosted: Thu Jul 31, 2014 5:53 pm 
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Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..

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bamnfi
PostPosted: Thu Jul 31, 2014 6:57 pm 
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Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..


Brill. Thanks Mackie. That's pretty close to where my car got de-rusted by Geoff at A Grade Panels.

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drjbeam
PostPosted: Thu Jul 31, 2014 7:25 pm 
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Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..


Get a navman or simular for half the price
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bamnfi
PostPosted: Thu Jul 31, 2014 7:32 pm 
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drjbeam wrote:
Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..


Get a navman or simular for half the price


Sheesh, that ain't so sexy. Effective sure, but not quite the look I want.

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MiniVLT
PostPosted: Thu Jul 31, 2014 8:03 pm 
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Why do you want to recalibrate the speedo when all you should have to do is change the speedo drive gear ratio?

http://www.guess-works.com/Tech/ratio.htm

http://www.guess-works.com/Tech/speedo.htm

Check out these, they should put you in the ball park!

Cheers Shane

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Mackie
PostPosted: Thu Jul 31, 2014 8:04 pm 
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Same prob I have. I got a mk1 silver speedo in mph kinda annoying converting to kph in my head but wana keep the silver speedo.. Haha can't win. Mine reads 75-80mph at 100kph haha

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drjbeam
PostPosted: Thu Jul 31, 2014 8:06 pm 
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bamnfi wrote:
drjbeam wrote:
Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..


Get a navman or simular for half the price


Sheesh, that ain't so sexy. Effective sure, but not quite the look I want.


It can be taken off the window my speedos +20 kmh out when over a 100 kmh speedos reading 120 gps reading 100.
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MiniVLT
PostPosted: Thu Jul 31, 2014 8:20 pm 
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Guys, the speedo drive gears are in the gearbox and can be altered / changed without removing the engine. Changing the ratios will get your speedo reading correctly!
Read the info at guess-works!

Cheers Shane

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Mackie
PostPosted: Thu Jul 31, 2014 8:22 pm 
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I've been roughly going off the revs.. I'm either doing 100 or 80 in my area.. GPS app on the iphone helps too.

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peterb
PostPosted: Thu Jul 31, 2014 9:08 pm 
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Mackie wrote:
Same prob I have. I got a mk1 silver speedo in mph kinda annoying converting to kph in my head but wana keep the silver speedo.. Haha can't win. Mine reads 75-80mph at 100kph haha

You used to be able to get a sticker that went on outside of glass, had kph markings in right places.
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winabbey
PostPosted: Fri Aug 01, 2014 4:53 pm 
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Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..

The main reason Howard's Instruments is referred to is because the owner, Rodger Howard is very Mini sympathetic. He has a garage full of vans, S's and other versions and is fairly active in the Mini scene. Not cheap but he does quality work.

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bamnfi
PostPosted: Fri Aug 01, 2014 4:56 pm 
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winabbey wrote:
Mackie wrote:
Howard's instruments in Heidelberg is ment to be awesome..I rang up last month about $220-$250 for recalibration of speed and distance..

The main reason Howard's Instruments is referred to is because the owner, Rodger Howard is very Mini sympathetic. He has a garage full of vans, S's and other versions and is fairly active in the Mini scene. Not cheap but he does quality work.


Yup, went and met the man today. Certainly knows his stuff and has some tasty toys.

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Flute
PostPosted: Fri Aug 01, 2014 10:13 pm 
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He has mine too at the moment, I have been there a few times now for different instruments. Great bloke, great business, highly recommended.

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Diesel27
PostPosted: Sat Aug 02, 2014 10:39 am 
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Cant remember the last time I viewed the speedo?

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