TYRE RADIUS QUESTION
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PassionFord Post Whore!!
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From: side way some were in tayside
Wanting to put 225/35/17 on rear of my 3dr,already run 205/40/17 on front,is there a formula or a web site to compare the radius of diffrent size tyres
cheeRS stu
cheeRS stu
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Joined: Jul 2003
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From: Newbury, Berkshire
You can work it out.
The middle figure, the profile, is a percentage of the first figure, the width.
So the new tyres height from bead to tread is 35% of the 225 width and the old tyre is 40% of the 205 width
new = 78.75mm
old = 82mm
HTH
Martyn
The middle figure, the profile, is a percentage of the first figure, the width.
So the new tyres height from bead to tread is 35% of the 225 width and the old tyre is 40% of the 205 width
new = 78.75mm
old = 82mm
HTH
Martyn
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