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TOP5N



Member Since: 03 Nov 2015
Location: Gloucester
Posts: 226
United Kingdom 
speedo calibration.
Hi. I have some pretty large wheels fitted to my defender, and my speedo is about 6mph out... is there any way to get this adjusted?

Chris
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Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green
Post #574652 31st Oct 2016 10:46pm
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Mynameismud



Member Since: 21 Aug 2013
Location: Shropshire
Posts: 19
United Kingdom 2004 Defender 110 Td5 XS CSW Zambezi Silver
Have a look at SpeedoHealer

https://www.healtech-electronics.com/products/sh/
Post #574667 1st Nov 2016 12:13am
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 899
Canada 2000 Defender 110 Td5 XS CSW Epsom Green
I have factory wheels and tires (7.50 16) and mine is about 10 kph out at 120... that is about normal I would think. The correct way to get close is to change the speedo gear in the transfer case. They have different coloured gears for over size and under size wheel and tire combos. Reach out to Ashcroft Transmissions and they will probably be able to help sort you out if you really need to. 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)

Last edited by 4RF RDS on 2nd Nov 2016 5:15pm. Edited 1 time in total
Post #574676 1st Nov 2016 1:53am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2079
United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
Change the speedo gear. Google it, there is piles of info out there.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #574680 1st Nov 2016 7:03am
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