April 9, 200718 yr Cuz tire sizes vary too much from manufacturer to manufacturer, that's why. Two tires in the photos are marked "27". One is marked 8.5, one 9.5 for width. The swamper is at least an inch taller an probably 2 inches wider. For reference, left to right: 27/9.50/14, 225/55/17, 27/8.50/14, 205/60/15, 175r14.
April 9, 200718 yr You need to know the sidewall size. Tire calculators only work for std sizes. Now with so many differnt sidewall sizes, you can throw them out the window. Tires of the same brand make and model can vary somewhat from lot to lot too. nipper
April 9, 200718 yr Nice comparison... but Zap.. you have way to many tires... almost as many as me :-p
April 11, 200718 yr The Kumho's only have 7.75" of tread width.. Love those swampers.. Just if they wren't 3 times the price of every other tire in Australia...
April 11, 200718 yr http://www.miata.net/garage/tirecalc.html ? Zap, what kind are those in the middle?
April 11, 200718 yr 13 14 15 refer to the wheel size. YOuy need to know the sidewall aspect ratio to get the proper numbers http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=46 Or just measure the cricumfrance of the tire nipper
April 11, 200718 yr Author 13 14 15 refer to the wheel size. YOuy need to know the sidewall aspect ratio to get the proper numbershttp://www.tirerack.com/tires/tiretech/techpage.jsp?techid=46 Or just measure the cricumfrance of the tire nipper You don't get what I'm getitng at. . . I'm saying that tire sizes vary too much from tire to tire to get an accurate calculation. You would need to physically measure it.
April 12, 200718 yr 13 14 15 refer to the wheel size. YOuy need to know the sidewall aspect ratio to get the proper numbershttp://www.tirerack.com/tires/tiretech/techpage.jsp?techid=46 Or just measure the cricumfrance of the tire nipper What we're saying here is a tire like the 27x8.5R14 Kumho Venture M/T isn't that size at all so looking at measurements means jack all... It reality it measures 26.4x7.75R14.. And that Super Swamper looks more like a 27.5" not 27.. I have found on a lot of tire websites (in Aus at least) these days they give you a OD in mm, which is a much more currect size.. normaly.
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