Quote:
Originally Posted by ddeflyer
In 100+ weather the PSS's center section will grease out very quickly even if you are very smooth. You can mitigate it some by running the tires under inflated (I think I was doing about 35 or 36PSI where as pyrometer was suggesting 38 or so) so you are cornering on the shoulders. This still can cause issues though towards the end of the session if you didn't take as much out as was really needed. Overall, I think it is better to focus on other tasks than trying to deal with variably greased tires. It took me a long time and some experiences with other tires before I figured out the quirky behavior of the PSS tires.
As I said, I have no actual experience with the Primacies so I totally believe you about them.
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I can't speak for 100+ ambients as we only see 90s at most here in the Northeast.
Also any of these summer tires here we are talking about would be for a relative novice looking for a tire that can be used for both street/daily driving as well as the occasional track day. Any of us who are up in the higher classes would likely be looking at dedicated or near dedicated track tires in the R888 class of tire IMO.
-mike