Eritas
Well-Known Member
It depends. A tire with more grip = more body roll = more outer shoulder wear.My understanding from both tire testers and others is that for camber limited cars overall tire expense may be reduced by using Extreme Performance Tires for track and maybe even street because they are less sensitive to camber. Examples here: https://www.tirerack.com/tires/types/perfCat.jsp?perf=EP.
PS4S are one of, if not, the best Max Performance Tires but my sources say that they like the other Max Performance tires need more camber to reduce outer edge wear. https://www.tirerack.com/tires/types/perfCat.jsp?perf=MP
A second set of wheels and tires for track or autocross use can easily be more cost effective and absolutely more "satisfying" than trying to nurse one set of more street oriented tires through a track event because you need it for street use. Note that you may have to use a little "racer's math" to make the cost effective part work. :-)
Tire compound and construction can vary greatly, and some can distribute the load across the tire better than others. It's not as simple as just stiffer sidewalls, but that's an easy way to understand it. A soft sidewall tire could roll over and wear the shoulder out faster than one with a stiffer sidewall. Again it's more complex than that.
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