8th Generation Honda Civic Forum - View Single Post - 06+ Civic Si 2/4dr Spring Rates and Drop Guide
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Old 09-24-2007, 03:35 PM   #48 (permalink)
aki
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Join Date: Jan 2006
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Age: 32
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Semi-Si Sedan Hater
I made a file of the different shocks' spring rate and dampening, might as well share ones not already on here:

LX/EX Sedan: 140/145 lbs/in

LX/EX Coupe: 170/200 lbs/in

Si Coupe: 200/230 lbs/in (3.6/4.1 kgf/mm)

Mugen:
Spring Rates F/R (kgf/mm) : 3.1/2.9

Shock Valving @ .3m/s
Front 152/200
Rear 152/88

Mugen CTR:
Spring rate F/R (kgf/mm): 5.3 (4.8) / 6.9 (6.5)

Shock Valving @ .3m/s
122/90
84/88
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