Stock s13 suspension info:




Base case specifications :

OE front spring rate : 112lbs/in

OE rear spring rate : 112lbs/in

Car weight : 2850lbs

Weight distribution : 53/47% (f/r)

Unsprung weight : ~75lbs/corner

Front sprung weight : 700lbs/corner

Rear sprung weight : 600lbs/corner

Wheel base : 2m




53/47 is damn near perfect for RWD since the transfer under accel makes it 50/50. And thats stock. With a KA. RB weighs more so it gets worse.