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      03-17-2013, 10:03 AM   #680
ortho281's Avatar
Drives: 2011 E92 M3 6MT
Join Date: Aug 2010
Location: Katy, TX

Posts: 646
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I have tracked the PS2's, PSS's and the RS3's in both wet and dry conditions on the same track. In the dry the PSS's are just as quick as the RS3's (square setup), however in the wet the PSS's are much faster. Especially when new and shoulders are not yet rounded from track use. The PS2's however, are not as quick as either the PSS or the RS3's. I think when evaluating the grip of various tires, there are too many variables to take into account such as tire temp, pressure etc. Some tires perform better with lower pressures and others don't. I found that the PS2's required higher pressures due to a softer sidewall, than both the PSS's and RS3's. I was running 38-40 psi hot for the PS2's and only 35-37 hot for the PSS's and RS3's. I have also done AutoX on both the PS2's and PSS, but with different setups so a comparison would not be fair.


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