Quote:
Originally Posted by kam
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Hey Kam,
The spec sheet is wrong as it says that a 285/70/17 is a 33.0". Doing the maths shows a 285/70/17 is only 32.7". They also show a 305/70/17 to be 34" but again the maths show it's not. Didn't check any others.
I don't know how closely the tyre manufacturers are required to follow the 285/70 part of the tyre sizing. Clearly the 17" rim bit needs to be fairly accurate otherwise it wouldn't fit but I think there is quite a large tolerance on the 285/70 bit (ie the overall width and the height of the side wall). I know JKTOM was looking at actual sizes v tyre stamp sizes when he was deciding between 265/70/17's and 285/70/17's. I'm sure in some cases he found that when measuring the actual size, some 265/70/17's were a lot closer to being 33's than they should be but some 285/70/17's weren't as big as they should be.
Couldn't tell you whether the Maxxis are a 33" or a 285/70/17 but theoretically at least they can only be one, not both.