Quote:
Originally Posted by B58togo
I’d bet the big improvement came from going from the 245 to the 255, not from the PSS to the PS4S. I just switched to 255’s, but stuck to PSS and noticed an improvement in hook. The 255 measured close to 20mm wider than the old 245. Michelin states the 4S was .18 seconds quicker than the PSS around a dry 1.6 mile road course, so that won’t equate to any measurable improvement in first/second gear grip, all else remaining equal.
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I think you are right. Wider tire is helping for sure with grip. I do think the Pilot Sport 4S is quieter and has a more supple ride. I went from 18" to 19" wheels with a shorter tire profile and I'd say the comfort and ride quality has improved substantially, which is the exact opposite of what I was anticipating. It could be the wider tires as well contributing to the improvement in comfort by adding more cushion through a larger contact patch??? I don't know for sure, but either way, I am impressed with this new tire.