RE: 165/HR/whatever tire size comparisons

["Brian Shorey" <bshorey@domain.elided>]

<snip>
> I remember having picked up a small brochure from a Goodyear dealer a few
> years ago, that had the actual measurements from a number of tire sizes,
and
> which allowed one to compare differing sizes.  It was called "+1" or
> something like that.  I believe that one was accurate, but alas...I have
no
> idea where it is right now.

+1 is different from what's being talked about here.  +1 means you go up a
wheel size (i.e., from a 14" wheel to a 15" wheel), and adjust the tire
sidewall such that the overall diameter stays the same (or close).

What's being discussed here is changing the section width of the tire, and
the corresponding sidewall heights.

bs

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