
So, I decide to give them some boosts.
The below is the result.
I think Cayman S/GTS/PASM should be about as stiff as GSF/M4 or 2015(or later) GT-R base.
Carrera S(991) should be about as stiff as 2009-2014 GT-R base or 2015(or later) GT-R track edition.
911 GT3(991) should be about as stiff as GT-R Nismo or my current Ohlins GSF.
The ride frequency of a stock 911 GT3 RS(991) could be as high as 3.0!!!


PS: The reason why I decided to increase ride frequencies for Porsche was based on the below video.


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