""
Home of the 1969-91 Blazer/Jimmy including GM Trucks and Suburbans.  

Site-Map
 Message Forums
 Home
 Product Reviews
 Blazer Bash
 Technical Articles
 Specifications
 Project Vehicles
 Photo Gallery
 Trip Reports
 Arcade
 CK5 Store
 Advertising
 Contact Info
 Auto Insurance

 

Spring Rate Table (All are 4-inch Lifts)

Low spring rate = more axle droop and compression

High spring rate = reduce axle wrap-up/higher load rate

Information  was obtained from 4 Wheel & Off-Road - July, 1999

Make and Model

Suspension Manufacturer

Spring Rate (Lbs/In)

Number of Leaves

Free Arch

73-91 Blazer/Jimmy

 Pro Comp (11411) 520 5 3.72
  Rancho Suspension (RS86206) 520 5 3.72
  Rough Country (8002) 604 5 3.48
  Skyjacker (C140S) 490 5 5.00
  Superlift "H.D." (01-234) 605 6 4.125
  Superlift "Superride" (01-234-6) 560 5 4.375
  Tuff Country "H.D." (TCI-C4HD) 395 4 4.75
  Tuff Country "EZ-Ride" (TCI-C4M) 295 3 5.75
  Warn "standard" (721013) 672 5 4.75
  Warn "E-Z Ride" (721014) 490 2 5.00
  BDS (001408)
56" rear		 430 ? 4
 
Disclaimer - Privacy Statement