Tyre calculator

Technical questions and answers about the Mazda Bongo

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briwy
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Tyre calculator

Post by briwy » Sat Oct 09, 2010 9:42 pm

Found this on the web, very handy for comparing rolling radius etc.

http://www.club80-90syncro.co.uk/Syncro ... ulator.htm

Went looking because we've just got another Bongo fitted with 17" wheels and I wanted to know what the rolling radius of the 227x 50 17 tyres is.

Surprised to see that it is actually less than the standard 215x65x15 wheels I have. So the speedo's actually running a bit slow in comparison. Still about 3% fast though according to the GPS.
chakota

Re: Tyre calculator

Post by chakota » Sat Oct 09, 2010 11:14 pm

briwy wrote:Found this on the web, very handy for comparing rolling radius etc.

http://www.club80-90syncro.co.uk/Syncro ... ulator.htm

Went looking because we've just got another Bongo fitted with 17" wheels and I wanted to know what the rolling radius of the 227x 50 17 tyres is.

Surprised to see that it is actually less than the standard 215x65x15 wheels I have. So the speedo's actually running a bit slow in comparison. Still about 3% fast though according to the GPS.

Very handy website .... well done Briwy =D>
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