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new tyres
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tika243
 


Member Since: 02 Jan 2009
Location: fife
Posts: 10

Scotland 2007 Discovery 3 TDV6 GS Manual Java BlackDiscovery 3
new tyres

Hi thinking about new tyres BF goodridge all terrain KO2's but they come in 245x70x17 where my original tyres are 235x70x17 will they be ok to fit the goodridge sites say as long as they are within 2% they should be ok but not sure

TIA Allan
  
Post #192777618th Mar 2018 7:07 pm
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JMack
 


Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1517

Scotland 2006 Discovery 3 TDV6 Commercial Manual Java BlackDiscovery 3

1.8% difference,


Spec, Sidewall, Radius, Diameter, Circumference. Revs/Mile, Difference
235/70-17 6.5in 15.0in 30.0in 94.1in 673 0.0%
245/70-17 6.8in 15.3in 30.5in 95.8in 661 1.8%

Whether you will notice a difference or it will affect your speedo I'm not sure. Confused




(Formatting isn't ideal, but you should be able to make it out..)
  
Post #192779418th Mar 2018 7:29 pm
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LeighW
D3 Decade 


Member Since: 31 Jan 2006
Location: Brisbane, AUS
Posts: 915

Australia 2006 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Well tika243 as JMack says, that size means a very small difference and when I fitted mine I noted that the speedo was MORE accurate when gauged against 2x GPS devices. Side note: changing tyre sizes also affects your fuel usage readings, but again the difference over small distances can be small.

On mine the extra 5 mm sidewall height was difficult to discern when driving (they were a different brand) but since then I also have tried 255/65R17 LT and the speedo reads almost exactly the same as the 245 width tyres.

I would say go with it...
 LeighW

The old girl is on her third engine...
* first ran a bearing (design failure in original engine)
* second had a failure of the water outlet on top of the engine (pls check yours) 
 
Post #192784118th Mar 2018 9:03 pm
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