Jon Ison
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| posted on 7/2/08 at 06:38 PM |
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15">13">?
Anyone know off the top of their head the rolling circumference of say a 205-50-15 compared to say a 195-70-13 ?
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smac
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| posted on 7/2/08 at 06:43 PM |
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http://www.miata.net/garage/tirecalc.html
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Guinness
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| posted on 7/2/08 at 06:44 PM |
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Carbible suggests 1840.97 for the 15 against 1895.01 for the 13.
That's 2.94% bigger!
http://www.carbibles.com/tyre_bible_pg2.html
mIKE
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Jon Ison
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| posted on 7/2/08 at 06:45 PM |
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Thanks guys, great link.
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Mark Allanson
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| posted on 7/2/08 at 07:00 PM |
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Try this, very quick comparasons between tyre sizes and road speeds
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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tomblyth
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| posted on 7/2/08 at 07:11 PM |
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http://www.rochfordtyres.co.uk/tyrecalc.asp
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procomp
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| posted on 8/2/08 at 08:17 AM |
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Hi if you are after accurate info best to measure an actual fitted tyre.
Almost all of the info thats out there is out by up to 40 mm per revolution in some cases. Also different manufacturers of tyre differ greatly. Means
you can end up in a right mess if your looking for a definitive way to jump on the gearing.
Cheers Matt
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