Quote:
Originally Posted by tsk94
I believe the factory GT4's used a TTX system, and they were high rates aswell. Between 900-1100 up front and 700-900 in the rear in a coilover. As Slicer said, they can handle whatever rates you want.
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From my review of parts diagrams:
M3 GT4
Front suspension
Ohlins TTX shock
140-60-160 to 200 nm
60-60-2 helper
378mm rotors
9.5 et25 plus 5mm spacer
Rear
Ohlins TTX 36 shock
Coilover
160-50-130 to 170 nm
80-50-20 helper
355mm rotors
10 et40 plus 15mm spacer
The M4 GT4 plus the M8 GTE use Ohlins TTX as well. Not to mention Singer Porsche, Pagani and Koenigsegg.