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upgrade to 18's....speedo differences?

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Old 05 January 2012, 07:54 PM
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scooby_dobby_doak
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Default upgrade to 18's....speedo differences?

I have just purchased some 18's for my 2005 Blob WRX and wondered what profile I should be running to keep speedo accurate. I take it thats all i need right? Think I should be running a 35 profile from what i've heard. Thanks
Old 05 January 2012, 08:08 PM
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Saalro
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This is a great tool:

http://www.tyres-pneus-online.co.uk/...ce-advice.html

Thanks
Sam
Old 05 January 2012, 08:14 PM
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The Pink Ninja
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225/40/18 will be the ones you want
Old 05 January 2012, 08:29 PM
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lee67
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im running 225/40/18@s and speedo is fine....ride is a little harsh tho...i wouldnt go to 35's...thinking of trying 45's next
Old 06 January 2012, 07:40 PM
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scooby_dobby_doak
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Thanks all - much appreciated
Old 08 January 2012, 01:58 AM
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ad uk
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i have 35s oh god there thin lol
Old 08 January 2012, 07:35 AM
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ScoobySteve69
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Originally Posted by GAZ2293
225/40/18 will be the ones you want
+1
Old 08 January 2012, 10:56 AM
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Tomwrx
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+2 been running 225/40/18 on my wrx for 2 yrs now, no probs at all with speedo etc
Old 08 January 2012, 11:06 AM
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CREWJ
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225/35/18 are the closest but still larger diameter than standard.
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