Ford Mustang Forum - View Single Post - What are the advantages/disadvantages in 17 /18 19 in wheels?
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post #7 of (permalink) Old 06-10-2010
Professor Joe
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The other big differences are in cornering and in overall contribution of the tires to spring rates.

Shorter sidewalls are stiffer, so you get less tire squirm in cornering with a shorter sidewall.

Taller sidewalls give more room for tire deflection over bumps, so they contribute substantially to the overall spring rate of the suspension. In racing applications, a shorter sidewall is preferred so that the spring rates can be better controlled by changes to the suspension.

In my case, it came down to looks. Being old school, I like the taller tire profile in blackwall. It recalls the look of late-60s street Mustangs.
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