TwinTurbo.NET: Nissan 300ZX forum - Spring Rate Data
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Subject Spring Rate Data
Posted by Gordo LSZ Daytona on April 07, 2021 at 9:36 AM
  This message has been viewed 78 times.
In Reply To Suspension questions posted by RonZ300 (Socal) on April 06, 2021 at 06:41 PM
Message OEM
TT Front: 168 lbs/in or 3.0 Kg/mm
TT Rear: 134 lbs/in or 2.4 Kg/mm

NA Front: 168 lbs/in or 3.0 Kg/mm
NA Rear: 123 lbs/in or 2.2 Kg/mm
Source: Factory Service Manuals ('91 and '93)

Eibach Spring Rates (Progressive Rates)
TT Front: 182 lbs/in up to 251 lbs/in
TT Rear: 142 lbs/in up to 199 lbs/in


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