Thread: Tyre specs
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Old 03-15-2009, 02:31 AM
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Tenrocca Tenrocca is offline
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Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
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Slowy,

Total diameter = rim diameter + aspect ratio * width * 2

eg. a 285/40/17 is

= 17 x 25.4 + 0.4 (which is 40/100) x 285 x 2

= 659.9mm

= 26" (actually its 25.97")

Hope that helps

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Last edited by Tenrocca; 03-15-2009 at 02:40 AM..
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