Gnil:

so about -10mm compared to the GT4 ?  Lift needed 

Nope - if you look at the GT4 section on porsche website, it also says -30mm lowered.  So, should be same between GT4 and RS...


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22 GT3 Manual, 73 Carrera RS 2.7 Carbon Fiber replica (1,890 lbs), 06 EVO9 with track mods. Former: 18 GT3 Manual, 16 Cayman GT4, 73 911S, Two 951S's, 996 C2, 993 C2, 98 Ferrari 550, 79 635CSi