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mav1178: trd rally coilovers & springs from earlier threads about them:
OEM vs TRD Rally
Front Compression ~560 540
Rebound ~1690 1250
Rear Compression ~735 400
Rebound ~1620 1120
Spring rates (kg/mm) OEM GT86(EU) vs TRD Rally
Front 2,3 4,6
Rear 3,3 5,2