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Wheels, Tires & Brakes

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Old 07-06-2005, 10:44 PM
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how big is a 325/60/18 tire?

I am wondering how big the 325/60/18 tire is? 33.5?? Thanks
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Old 07-06-2005, 10:48 PM
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Yeah, its about a 33x12.5 I think
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Old 07-06-2005, 10:50 PM
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33.3x12.8 to be exact, but it will always vary a little from different manufacturers
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Old 07-06-2005, 10:53 PM
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Here's some info on how to calculate:
Converting Metric Tire Sizes to Inches
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Old 07-07-2005, 12:34 AM
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Yeah thats how I have always thought you figured it out, but I went on tirerack.com and they said to take the 12.8 and times by 50% and that will give you your height. And I did that and it just gave my height to the start of the tread, not the entire tire. So I guess it just depends on the tread added on. But I think that other formula 12.8x.60 works better, or gives you a more accurate number. If I did it by the 50% it only showed the 325/60/18 as about 30x12.8 so it only goes to the start of the tread. Thanks guys.
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Old 07-07-2005, 09:05 AM
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Your best bet is to look at the manufacturers website for the exact measurements. Sometimes the same size will vary almost 1/2 inch from one tire manufacturer to another.
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